From time to time, AMPTIAC receives an inquiry from someone asking whether newslettersare still being published by AMPTIAC’s predecessors, HTMIAC, MIAC, CIAC and

MMCIAC. Since there seems to be some confusion concerning the Advanced Materials andProcesses Technology Information Analysis Center, I would like to take this opportunity to discuss the organization and provide a view of its future.

The Defense Technical Information Center (DTIC) sponsors thirteen Information AnalysisCenters (IACs), including AMPTIAC. Each of these centers covers a focused technical area, andall are operated under the watchful eye of the Office of the Secretary of Defense (ODDRE). IACsare responsible for ensuring that existing technical information is leveraged into new applicationsand programs. This is accomplished by gathering pertinent technical information and using it todevelop specific products and services for assisting researchers, engineers, and program managersto effectively meet their mission requirements. For more information on DTIC and the IAC pro-gram, please see their web page at http://www.dtic.mil/iac/.

On November 1, 1996, IIT Research Institute was awarded the contract for the AdvancedMaterials and Processes Technology Information Analysis Center and opened the new center at itsfacility in Rome, NY. Preceding AMPTIAC, there were thirteen other materials IACs which dateback to 1955 at Battelle Memorial Institute and 1960 at Purdue University (see Figure 1). Thescope of AMPTIAC has expanded from the previous materials IACs to include five functionalareas, which are listed below:

• Metals, Alloys, and Metal Matrix Composites• Organic Structural Materials and Organic Matrix Composites• Ceramics and Ceramic Matrix Composites• Electronic, Optical, and Photonic Materials• Environmental Protection and Special Function Materials

A more detailed description of the evolution of the materials IACs was written in Volume 1,Number 1, of the AMPTIAC Newsletter. Full text of this and all previous AMPTIAC Newslettersare available at the AMPTIAC website. (http://rome.iitri.com/amptiac)

AMPTIACAMPTIACA D VA N C E D M AT E R I A L S A N D P R O C E S S E S T E C H N O L O G Y

Volume 2, Number 1

AMPTIAC People … 2

Centennial Celebration … 3

Aluminum MMC Consortium …4

IITRI Has New President … 4

WANTED: Updates to Mailing List … 5

Efforts To Enhance The Properties Of Epoxies … 6

Customized Materials Database…7

Recent Patents … 7

New Web Sites … 8

New from AMPTIAC … 8

Recent Materials R&D Awards …9

Don’t Trash … 9

AMPTIAC Wants Your Contributions … 9

Calendar … 10

SAMPE Conference … 11

Technical Inquiry Service … 11

AMPTIAC Directory … 11

AMPTIAC Advertising … BC

The AMPTIAC Newsletteris published by AMPTIAC

a DoD Information Analysis Center.Please, if you wish to contact us,

you may do so at…

PHONE : 315 .339 .7117

FAX : 315 .339 .7107

E M A I L : ampt i a c@rome . i i t r i . c om

http : / / rom e . i i t r i . c om / am pt i a c

AMPTIAC is a DoD Information Analysis Center Sponsored by the Defense Technical Information Center and Operated by IIT Research Institute

The AMPTIAC Newslet ter , F irs t Quarter, 1998

Guest Editorialby David H. Rose, Deputy Director

continues, page 5

continues, page 2

AMPTIAC:Past, Present, and Future

Spotlight on TechnologyARCJoinT (Affordable, Robust Ceramic Joining Technology) is a cost-effective process for thejoining and repair of silicon carbide based ceramic components. The joining of high temperaturesilicon carbide-based ceramics has become a critical issue as potential application of these ceram-ics within the aeronautics, energy, electronics, nuclear and transportation industries is becomingincreasingly very attractive. Considering the cost of fabrication, in many instances it is more eco-nomical to build up complex shapes by joining simple geometrical shapes. Therefore joining hasbeen recognized as one of the enabling technologies for successful application of silicon carbidebased ceramic components for high temperature applications.

ARCJoinT, based on reaction forming, is extremely attractive because the thermomechanicalproperties of the joint interlayer can be tailored to match that of the silicon carbide - based mate-rials. A flow diagram of the joining method is presented in Figure 1. The steps in this processinclude the application of a carbonaceous mixture in the joint area and curing at 110 – 120 °C for10 to 20 minutes. The pieces to be joined are thus fastened together. Silicon or a silicon alloy in

The AMPTIAC Newsletter, Volume 2, Number 1 2

AMPTIAC PeopleDr. James S. Mu rd a y, Super int endent of t heChemistry Division at the Naval Research Laboratory,has been appointed the AMPTIAC AssociateContracting Of f i c e r’s Technical Re p re s e n t a t i ve(ACOTR) for Environmental Protection and SpecialFunctions Materials.

Dr. Murday holds a B.S. in Physics from CaseWestern Reserve University and a PhD in Solid StatePhysics from Cornell Un i ve r s i t y. He has beenSuperintendent of the Chemistry Division at theNaval Research Laboratory in Washington, DC, since1989, where he oversees programs in chemical

diagnostics, environmental compliance, materialschemistry, surface/interface chemistry, and mobilityfuels. He is a consultant to the Surface/InterfacePhysics Program of the Office of Naval Research. Hispersonal research interests include interface analysis,surface modification technology, and the science/tech-nology of nanometer structures.

Dr. Murday may be reached at…

Code 6100, Naval Research Laboratory4555 Overlook Ave, SW, Washington, DC 20375-5320

Tel: (202) 767-3026 • FAX: (202) 404-7139E-mail: murday@ccf.nrl.navy.mil ■

Dr. James S. MurdaySuperintendent of theChemistry Division at the Naval ResearchLaboratory

tape, paste or slurry form is applied to the joint re g i o nand heated to 1250 – 1425 °C (depending on the infil-trant) for 5 to 10 minutes. The molten silicon or sili-con alloy reacts with carbon to form silicon carbidewith controllable amounts of silicon and other phasesas determined by the alloy composition. Joint thick-nesses can be readily controlled by adjusting the pro p-e rties of the carbonaceous paste and the pre s s u reapplied by the joining fixture .

Initial strength measurements demonstrate thatthe bonds are extremely strong. For example, asreceived Cerastar RB-SiC material displayed a flexuralstrength of 157 ± 11 MPa whereas the ARCJoinTspecimens displayed a flexural strength of 147 ± 10MPa. Efforts are currently underway to fabricate jointswith improved micro s t ructural and compositionalhomogeneity and reduced joint thickness. The effectof high temperature heat treatment on the strengths ofthese joints is also being evaluated.

ARCJoinT has been used to join a wide variety ofsilicon carbide based materials, including fiber rein-forced ceramic matrix composites in different sizes andshapes as shown in Figure 2. In summary, this is anaffordable and robust joining technology for joiningsilicon carbide based materials. With further develop-ment, this process also has the potential of beingadapted for repair of silicon carbide materials in ser-vice, this being particularly significant when dealingwith issues such as life extension.

Additional Details: This technology has been devel -oped at NASA’s Lewis Research Center in collaborationwith NYMA Inc. For further information regarding thistechnology and its potential application, please contactDr. M. Singh, NYMA Inc., Lewis Research CenterGroup, Cleveland, OH at (216) 433-8883 or Dr. A. K.Kuruvilla, AMPTIAC at (205) 880-0884, ext. 238. ■

Spotlight…continued from page 1

Apply carbonaceousmixture to joint area.Cure at 110 - 120 °C for 10 - 20 minutes

Apply silicon or siliconalloy. Heat at

1250 - 1425 °C for 5 - 10 minutes

Strong and tough jointswith

tailorable properties

Figure 2.ARCJoinT has been used to join awide variety of silicon carbidebased materials, including fiberreinforced ceramic matrix com-posites in dif ferent sizes andshapes.

Figure1.Flow diagram for the ARCJointT process

The AMPTIAC Newsletter, Volume 2, Number 13

Centennial Celebration at the David Taylor Model BasinWEST BETHESDA, MD—Their 100th Anniversary is underway at the U.S. Navy’s CarderockDivision. The year-long celebration honors naval constructor Rear Admiral David Taylor forbuilding the Navy’s first model basin in 1898 at the Washington Navy Yard. His ExperimentalModel Basin (EMB) became the “seed crystal” around which the Navy’s ship model testingformed. Today, the organization he founded has grown to become the Naval Surface WarfareCenter’s Carderock Division, the Bethesda site of which houses the David Taylor Model Basin(DTMB). This world-famous facility was named in honor of Admiral Taylor in 1939.

In brief, this year’s Centennial celebration recognizes the origin and accomplishments ofboth the EMB and the DTMB as we enter the new century. The Centennial kicked off January30 with a ceremony formally establishing the DTMB as a national historic mechanical engineer-ing landmark, so designated by the American Society of Mechanical Engineers (ASME).

The events and engineering symposia with themes honoring Carderock Division accom-plishments and scientific vision will occur throughout Centennial 98. These activities mark 100years of success during which the persistence of vision-to-reality produced a “new” U.S. Navyeach generation to meet the nation’s security needs in peace and war.

Established in 1898 as the U.S. Experimental Model Basin, the Navy R&D organizationmoved to the Carderock site in Bethesda in 1940. The Navy had named Captain Harold

Saunders to oversee construction of the new site in March 1937 with TurnerConstruction Company winning the bid for $2.65 million with ground broken onSeptember 8. A short time later Executive Order 100 directed the new facility benamed the David Taylor Model Basin. In June 1939 the basin was completed onemonth ahead of schedule. On November 4, 1939, the Navy held the dedication cere-mony with David Taylor, by then confined to a wheelchair, attending. This brilliantofficer died in July 1940 having lived to see his vision become a reality. UnderSaunder’s supervision the Model Basin was put into working order, again ahead ofschedule, in November 1940.

David Taylor Model BasinThe Carderock Division in West Bethesda, Maryland, has the world’s largest complex of facili-ties for hydrodynamic experiments. Technical design support is provided to the U.S. Navy andMarine Corps, Coast Guard and Maritime Administration as well as private organizations.

The David Taylor Model Basin is 3200 feet long and houses huge parallel basins filled withfresh water approximately 3000 feet long. The basins are enclosed by an arched concrete roofwith a span of 110 feet. Model towing carriages run on rails which follow the curvature of theearth. The concrete basins are embedded in the granite native to the area.

MissionThe Carderock Division of the Naval Surface Warfare Center today provides research, develop-ment, test and evaluation, fleet support, in-service engineering, and test ranges for surface andundersea vehicles and associated hull, machinery and electrical systems and propulsors.Additionally, it is responsible for logistics research and development and for providing support tothe Maritime Administration and the maritime industry. Technical leadership areas include mate-rials, structures, ship protection systems, vehicle concepts, hydrodynamics, acoustic signatures,electromagnetic signatures, propulsors, machinery systems, environmental protection systemsand logistics.

A major technical component of the Naval Sea Systems Command, the Carderock Divisionis the principal Navy resource, national focal point and international leader in surface and under-sea vehicle science, ship systems and related maritime technology. It is also a source of innovativetechnology for other national priorities such as environment, energy and transportation. TheCarderock Division works in partnership with her four sister NSWC Divisions plus other orga-nizations within industry, academia and government. Further, it actively pursues technologytransfer through consortia, cooperative governments, e.g. CRADA’s, and other defense conver-sion initiatives.

The Division’s 4,000 employees are located at headquarters in West Bethesda, Maryland,major sites at Philadelphia and Annapolis, and detachments around the country. Approximately1700 employees work at the headquarters site. ■

Centennial celebrationrecognizes the origin and

accomplishments …”

Note: NSWC-Carderock Division has a web site at http://www.dt.navy.mil.

The AMPTIAC Newsletter, Volume 2, Number 14

Building on breakthrough success in several preliminary appli-cations, a consortium of corporate, academic, and governmentparticipants has been formed to advocate expansion of oppor-tunities for a class of materials whose time has come: aluminummetal matrix composites (MMCs).

The efforts of the Aluminum MMC Consortium are ini-tially focused on Discontinuously Re i n f o rced Aluminum(DRA) materials, which are a class of metal matrix compositesin which an aluminum matrix is re i n f o rced with ceramic part i-cles, whiskers, or short fibers. They have seen successful nicheapplications in the aerospace, automotive, electronic packaging,and re c reational product markets. Significant examples include:

• Chevrolet Corvette and GM S/T pick-up truck driveshafts

• Plymouth Prowler brake rotors and GM EV-1 brakedrums

• Toyota diesel engine pistons• Honda Prelude engine blocks• Pratt & Whitney 4000 series engine fan exit guide

vanes• Motorola’s Iridium Satellites and GM EV-1 electron-

ic packaging applications• F-16 fighter aircraft ventral fins and fuel access covers• Bicycle components and golf clubs from a variety of

producersDRA materials have the potential for redefining the limits

of aluminum materials because of their unique combinations ofproperties (the stiffness of titanium, better wear resistance thansteel, and a tailorable coefficient of thermal expansion), whilemaintaining the lightweight characteristics of aluminum. Theseproperties, combined with continued development of low-costp rocessing methods, offer the potential for significantlyexpanded use.

At present, North America leads the world in the materi-als and process technology as well as production capability forDRA materials. For the full market potential of DRA materialsto be realized, however, creative solutions to the remainingmanufacturing technology and design issues, focused on lowercost production and components, are needed. Manufacturingknowledge for DRA, while adequate for the current parts,needs to be expanded to broaden the range of potential appli-cations. In addition, while successful products have beendesigned and implemented, the information that would enableextension of these successes to other products and markets isnot widely accessible.

The Aluminum MMC Consortium is intended to address theseneeds.Initial efforts of the Consortium will be focused in two mainareas: 1) Technology Development Programs in specific pre-competitive areas to address the manufacturing technologyneeds, and 2) a User Resource Capability to provide assistanceto both the user and producer communities.

Technology Development ProgramsDRA materials are produced by both wrought processing andnet shape casting routes. In each of these processing appro a c h-es, there are key manufacturing technology gaps. T h eC o n s o rtium Steering Committee has identified three focus are a sfor technology development programs to address these gaps:

• Machining/material removal processes for wroughtand cast DRA

• Deformation processing of billet to semi-finishedproduct for DRA

• Preform fabrication for net shape cast DRAUnder the umbrella of the Consortium, teams will be

formed to develop a roadmap, pursue funding, and execute theprogram in each technology development area. Results andintellectual property of each program will be shared by the con-sortium under the guidelines of teaming arrangements.

User Resource CapabilityTo promote Aluminum MMC and to expand its use, a UserResource Capability will be established. It will provide expertadvice and referrals to prospective users of Aluminum MMCs,promoting the materials through various media channels, cre-ating an industry “presence” through approaches such as anAluminum MMC Resource Directory, and identifying newtechnology development needs. It will partner with and utilizethe resources of existing information providers to make themost current knowledge available to the community.

The Aluminum MMC Consortium Steering Committeehas prepared a white paper which describes the background,Consortium framework, and focus areas in greater detail. Thewhite paper, along with further information about becominginvolved in the Consortium, can be obtained by contacting Dr.Warren Hunt, Director, 4530 William Penn Highway, Suite3900, Murrysville, PA 15668. Phone/fax to (412) 733-1823or e-mail acgroup@usaor.net. ■

IITRI Has New PresidentBahman Atefi, a nuclear engineer and former Group Senior Vice President of Science Applications International Corporation (SAIC),is the new president of the IIT Research Institute (IITRI), which operates AMPTIAC. He succeeds John B. Scott, who retired afteralmost 35 years of distinguished service.

Atefi re c e i ved the Bachelor of Science degree in Electrical Engineering from Cornell Un i ve r s i t y, and the Master of Science and Do c t o rof Science degrees in Nuclear Engineering from the Massachusetts Institute of Te c h n o l o g y. From 1980-82 Atefi worked in re s e a rch ons e veral projects at Bro o k h a ven National Laboratory. From 1982-87 he was an independent consultant to industry and unive r s i t i e s ,i n vo l ved in a variety of nuclear power plant safety projects. In 1987 he joined SAIC, a company dedicated to innova t i ve applications ofscience and technology. ■

Aluminum MMC Consortium Formed

The AMPTIAC Newsletter, Volume 2, Number 15

All of the technical documents gathered by the precedingorganizations were delivered to AMPTIAC and now compriseits technical library. This library contains nearly 250,000 tech-nical reports and books, spanning the entire spectrum of engi-neering materials.

One of AMPTIAC’s primary roles is to keep the com-munity abreast of materials technology developments, whichis accomplished by publishing a newsletter and by maintain-

ing a website. With a distribution of approximately 25,000,the n ews let ter has become the principal means forAMPTIAC to publicize government and commercially s p o n-s o red materials programs. Included within the newsletter isMaterialEASE, a four page pull-out section which presents anin-depth discussion addressing a single topic. Pa s tMaterialEASE topics include comparisons of commerciallyavailable software tools for materials selection and a compila-tion of materials-related websites. The current MaterialEASEsummarizes methods and criteria for evaluating and validatingtechnical data. Complementing the newsletter is the AMPTI-AC website. The World Wide Web has emerged as an excel-lent forum for disseminating information. We have made acommitment to help educate research and development pro-fessionals about the availability and applications for new andexisting information and technology. The website has under-gone a tremendous amount of growth and change since goingon-line, and plans call for the addition of significant technicalcontent in the coming months. This website has become atruly unique and useful resource for materials and processesprofessionals.

Another aspect of the AMPTIAC charter is to developproducts that meet the needs of the Department of Defensematerials community and its contractors. AMPTIAC has over900 books and reports available through its product sales

department. Descriptions of many of these products as well asordering information are available directly from the website.New products currently being developed will include elec-tronic bibliographic and numerical databases, such as anumerical database of selected infrared window materials, aswell as written reports or state-of-the-art reviews, criticalreview and technology assessments, and handbooks. Some ofthe topics for these new products include resin transfer mold-ing, accelerated testing, high temperature ceramics, and adatabase with over 500 citations from the National AerospaceProgram (NASP). This database will allow materialsresearchers to learn about the technology developed underNASP and apply it to upcoming development programs.Watch AMPTIAC’s website and next newsletter for informa-tion on availability of these new products.

An interesting feature of AMPTIAC’s contract allows itto perform technical work for any of its customers. In fact, ifthe task can be completed in less than eight hours, often thework is free! A team of experts with diverse knowledge enablesAMPTIAC to provide rapid responses to customer needs.Examples of the type of work performed under this inquiryservice include locating difficult to find material properties,information concerning fabrication processes, and assistancein materials selection. AMPTIAC can also perform customerfunded work for larger tasks that take longer than eight hours.Some current projects include service life extension analyses,assessments of emerging technologies, and customized mater-ial property database developments. If you are looking forfocused and unbiased analyses related to the field of materialsand processes, please contact AMPTIAC to discuss yourneeds. The streamlined contracting procedures found undertask order contracts allow AMPTIAC to begin governmentsponsored work in as little as a few weeks. Commerciallysponsored work can begin even quicker.

It is my hope that the information presented here hasmade readers more familiar with AMPTIAC and how theIAC program is designed to aid and inform the DoD com-munity. I am extremely happy with AMPTIAC’s progress butrealize that like all good organizations, it must continuallychange to keep abreast of emerging technologies. AMPTIAC is committed to developing and providing worldclass products and services to meet the needs of its customers.You can help AMPTIAC meet this goal by providing yoursuggestions and feedback by telephone, fax, email or throughthe website. By working together with its customers, AMPTI-AC will continue to evolve so that it can provide even greatersupport to the engineering community in the future. ■

AMPTIAC Mailing List Updates WantedThe AMPTIAC Newsletter is cur rently mailed to about 25,000 addresses. It is our policy to provide a free subscription to anyone who has a use for it, and torefrain from sending copies to anyone who does not want or cannot use the publication. To keep our mailing list current, we need the help of our readers. If anyof the following situations apply to you, please let us hear from you:

•If you are reading a borrowed copy and would like your own free subscription, please ask for one.•If you receive the newsletter and have no use for it, please request removal from our list of subscribers.•If you are getting a copy under the wrong name or wrong address, please provide a correction.

Your help in keeping our records current will be greatly appreciated. Additions, deletions and corrections may be sent by e-mail to amptiac@rome.iitri.com, tele-phoned to (315) 339-7117, faxed to (315) 339-7107, or mailed to AMPTIAC, 201 Mill St., Rome, NY 13440-6916. ■

, Present…continued om page 1

960)due

955)elle

TPIAC (1971)Purdue

DMIC (1958)Battelle

DCIC (1967)Battelle

MMCIAC(Oct 80)

GE Tempo

TEPIAC(1973)Purdue

MCIC (1971)Battelle

MMCIAC(Jun 81) Kaman

PLASTEC

MMCIAC(Nov 92)Purdue

MIAC(Aug 90)Purdue

CIAC(Aug 90)Purdue

HTMIAC(Jan 86)Purdue

Figure 1.History of theMaterials IACs

The AMPTIAC Newsletter, Volume 2, Number 16

During the early and mid 1990’s the author conducted effortsat Edwards AFB to enhance the properties of conventionalhigh temperature epoxy resin systems (ERS). The authorattempted to enhance these properties by thermally curingthem to full cure while simultaneously exposing them to eco-nomically generated magnetic fields (MF). Previous efforts bythe author to partially cure ERSs while simultaneously expos-ing them to MFs of the same strength as those used in thiseffort generated orientation dependent improvements in theresultant ERS’s mechanical properties of 34 to 300 percent.Enhanced mechanicalproperties were foundin specimens that werecast and tested suchthat the angle of thespecimen’s testing axiswas perpendicular tothe angle of the MFduring its cure .Specimens cast parallelto the MF showed nosigns of enhancement.An independent effortby Dr. Mallon, then atthe Ae rospace Corp. ,to fully cure at elevatedt e m p e r a t u res a stoi-c h i o m e t r i cm P D Abased ERSwhile simultaneouslyexposing it to a 9 Tesla (T) MF enhanced the resin’s Tgby 25°C. (The specific property enhancements and pro-cessing conditions associated with these three efforts aredepicted in Figure 1.) Also the foreign literature, pri-marily written by Russians and other members of theformer Soviet Union, is replete with hundreds of theirefforts to enhance, by processing in a MF, almost everyconceivable permutation of property, polymer, process-ing technique, and end product. These previous effortsindicated that the potential to economically enhance particu-lar properties of ERS, by processing them with conventionalproduction techniques into end items while simultaneouslyexposing them to economical MFs, was highly probable.(Economical MF strengths are those routinely generated bypermanent magnets and conventional electromagnets; uneco-nomical MFs are those generated by superconducting electro-magnets.) It was also hoped that these particular propertyenhancements could then be economically produced in ERSswhen they would be used as the matrix material in a compos-ite, a bonding agent, or as a coating material.

Fifty-seven experimental runs were conducted in thefully cured portion of this final effort using stoichiometricmixes of mPDA, MDA, PACM-20, and Tonox curing agentswith EPON 830. These ERSs were cast into the miniaturized

ASTM tensile test specimens depicted in Figure 2, orientedperpendicular to the major vector of the MF in which it wasexposed, and cured with one of the following profiles: 20hours at 99°C, 5 hours at 121°C, and 4 hours at 149°C.While being thermally cured, they we re simultaneouslyexposed to MFs of strengths stepped up from 0.1290 T to0.8810 T. The step sizes selected represented the robustnessrequirements which any prospective enhancements needed toexhibit in order to be suitable for and to economically justifytheir incorporation into any existing epoxy processing equip-ment and techniques.

In each of this effort’s runs, MF exposed and associatedcontrol specimens of the configuration depicted in Figure 2were both generated from the same ERS. Both the exposedspecimens and their associated controls were fully cured bythe same thermal cure profile. These specimens were mechan-ically and thermally tested to measure the relevant and impor-tant properties of these ERSs.

This effort decisively determined that under none of theselected conditions of elevated temperature cure and economically generated MFs were there any modifications tothe important properties of fully cured ERSs relative to theirassociated controls. The economically generated MFs of the

s t rength used in thise f f o rt are not stro n genough to sufficientlysuppress the disorientingeffects of the polymer subchain collisions overthe duration of the cure,whereas uneconomicallygenerated MFs, such asthose generated by Dr.Ma l l o n’s superc o n d u c t-ing electromagnet, can.

Note: A more detailed description of this work is availablein “Efforts to Enhance the Properties of Conventional ElevatedTe m p e ra t u re Cu re Ep oxy Resin Systems by Exposing Them to1250 to 8800 Oersted Magnetic Fields while Thermally CuringThem,” available through DTIC, Order Number AD-A326790. A paper based on this work has also been accepted for pub-lication in a future issue of the Journal of Applied PolymerScience. For further information, please contact Mr. RogerGerzeski, Air Force Research Laboratory, Materials Directorate(AFRL/ML) at (937) 255 - 9058. ■

Efforts to Enhance The Properties Of Epoxies By Thermally Curing Them In Magnetic Fields

Figure 1.

Figure 2.

The AMPTIAC Newsletter, Volume 2, Number 17

Customized Materials Database DevelopmentAMPTIAC has products and the expertise to accommodate customer needs in the following areas:• Data Gathering—Our materials experts are continuously accessing and acquiring materials datausing tools such as DROLS, DIALOG, and the Web. They work together with our software engi-neers to make the acquired data accessible in a meaningful format. • Database Development —Our software staff has vast experience in providing database solutions

that allow the customer to view and manipulate data andinformation efficiently while protecting data integrity. Ifyou have data, our developers can create a database solu-tion to allow you effective use of that data in your envi-ronment.• Data Evaluation—Special care is taken to ensure that thedata source and the methods for acquiring the data (mea-surement) are always stored with the actual data so that itsquality can be assessed in light of its intended use. AMP-TIAC staff is qualified to perform such evaluations at cus-tomer request.• ASTM Standards Implementation—These standards

guide the database design for our prepackaged products and our custom design efforts. • Friendly User Interfaces—AMPTIAC specializes in Graphical User Interfaces (GUI) with extensive on-line Help

files. Functions such as the graph capability in Figure 1 are designed to accommodate specific customerrequests.

• Product Packaging—Databases can be designed for a variety of architectures and environments includingclient/server, PC standalone applications, and web-based database products.

• Materials Products—In addition to custom database design, AMPTIAC provides subsets of data from its exten-sive materials database packaged as products on CD-ROM for installation on Windows 95 and NT platforms.Each product contains a materials database subset with a friendly user interface for accessing the data. ■

Patent no. Title5689332 Automated real-time detection of defects during machining

of ceramics5689125 Cadmium sulfide interface layers for improving III-V semi-

conductor device performance and characteristics5688729 Whisker-reinforced ceramic material5688619 Chlorogallium phthalocyanine crystal and electrophoto-

graphic photoreceptor containing same5686738 Highly insulating monocrystalline gallium nitride thin films5686198 Low cost stable air electrode material for high temperature

solid oxide electrolyte electrochemical cells5684910 Buffered optical fiber having a strippable buffer layer5684813 Polyborates useful for optical frequency conversion5684102 Organoborane polyamine complexes and adhesive

compositions made therewith5684083 Thermally curable coating composition5684074 Fluorine-containing coating composition5684060 Compositions containing inorganic, organic and

organometallic palladium hydrogen scavengers5683949 Conversion of doped polycrystalline material to single

crystal material5683825 Thermal barrier coating resistant to erosion and impact by

particulate matter5683819 Composite of highly saturated nitrile rubber with fiber, and

belt composed thereof5683663 Decomposition of cyanide in electrolytic cell lining5683649 Method for the fabrication of micro-electromechanical

ceramic parts5683646 Fabrication of large hollow composite structure with

precisely defined outer sur face

Patent no. Title5682447 Photomechanical positioning and s tabilization method and

devices using optical fibers and feedback5681910 Organoborane Polyoxyalkylinepolyamine complexes and

adhesive compositions made therewith5681906 Thermoset coating compositions having improved hardness5681881 Fluoroelastomer compositions5681873 Biodegradable polymeric composition5681797 Stable biodegradable lubricant compositions5681784 Thermal shock resistant ceramic5681776 Planar selective field oxide isolation process using SEG/ELO5681647 Anisotropic conductive film for microconnections5681645 Flat elastomeric nonwoven laminates5681615 Vacuum flash evaporated polymer composites5681511 Hermetic ceramic composite structures5681426 Diamond-like carbon wet etchant stop for formation of

magnetic transducers5681302 Elastic sheet-like composite5680013 Ceramic protection for heated metal surfaces of plasma

processing chamber exposed to chemically agg ressivegaseous environment therein and method of protecting such heated metal surfaces

5679763 Polyquinoline-based nonlinear optical materials5679742 Hydrogenated polymers having anhydride functionality5679734 Silicone composition which can be crosslinked into an

adhesive gel5675474 Highly heat-radiating ceramic package ■

Recent Patents Concerning Materials

Figure 1.Sample screens show flexiblesearch capability, accommodationfor dynamic numbers of variables,and flexible graphing capability.

The AMPTIAC Newsletter, Volume 2, Number 18

IPMM - Inte l l i gent Processing andManufacturing of Materials

Details of conferences on intelligent processing,links to other intelligent processing sites

http://mining.ubc.ca/ipmm/

MEMS Material DatabaseMaterial properties of interest to microelectromechanical systemsresearchers (free)

http://mems.isi.edu/mems/materials

WeldNetLinks to welding and materials joining resources, searchable abstractdatabases, news, welding information (free)

http://www.ewi.org

Aluminum Consultants Group, Inc.Provides assistance in materials selection, evaluation/analysis anddevelopment of aluminum alloys

http://www.acgroupinc.com

Endura PlasticsThermal plastics and selection guide (free)

http://www.endura.com/

MatWeb - The Online Materials DatabaseMaterial properties database (free)

http://www.matweb.com

The Composites News SupersiteRecent and past news events in the composites/materials community,book ordering utility, calendar of composites- and materials-relatedmeetings nationwide (free, but must obtain login password)

http://www.compositesnews.com/

Advanced Composites Program OfficeDescriptions of research, links to other government research sites(free), courses on composites and advanced materials (free to DoDemployees)

http://www.mcclellan.af.mil/MLS/acpob.html

Carderock Division, Naval Surface Warfare CenterGeneral Division information, description of facilities, areas of expert i s e

http://www.dt.navy.mil

European Commission - Information ServiceLinks to databases and web sites offering information on materials ands c i e n c e - related issues in countries belonging to the Eu ropean Union (fre e )

http://europa.eu.int/geninfo/icom-en.htm

LLNL Multiscale Materials Modeling ProgramProgram description, plan and accomplishments for multiscale mod-eling program

http://multiscale.llnl.gov

Lawrence Livermore National LaboratoryGeneral information about Lawrence Livermore Laboratory, manyscientific and government links

http://www.llnl.gov

Thermophysical Properties Awareness ClubInformation about TPAC, TPAC activities, links to other thermo-physical properties clubs

http://www.npl.co.uk/npl/collaboration/clubs/tpac

American Foundrymen’s Society (AFS)Society overview, metalcasting related news, metalcasting relatedbooks and publications, metalcasting training videos

http://www.afsinc.org

American Institute of Chemical EngineersSearches of AIChE-related journals and publications (free)

http://www.aiche.org

Association of Iron and Steel EngineersUpcoming conferences, publications, member services

http://www.aise.org

SPIE Photonics GatewayWWW Virtual Library for Optical Science and Engineering - links tosites containing information on specific topics within the VirtualLibrary (free)

http://www.spie.org/wwwvl_optics.html

New Websites added to AMPTIAC Material Websites LinksMany of AMPTIAC’s newsletter readers and web page users have suggested materials-relatedwebsites to be added to the web page. The following websites have been added recently. If youhave a website you would like to list, or if you know of any useful materials-related websites,submit through the AMPTIAC web page at http://rome.iitri.com/amptiac/.

New From AMPTIAC:The 21st Annual Conference on Ceramics, Metal and CarbonComposites, Materials, and Structures,January 26-31, 1997, Cocoa Beach, Florida, edited by Mark M.Opeka. Conference proceedings from the annual Cocoa Beach meeting. Order Code AMPT-4, $125.00.

Databook on Properties of Selected Infrared Window and DomeMaterials, C.C. Gibson, D.L. Taylor, R.H. Bogaard, September1996. Literature property data for the infrared window anddome materials of germanium, sapphire, spinel, yttria, zincselenide and zinc sulphide. Order Code AMP192, $50.00.

Coming soon:Third Order Non-Linear Optical Thin Films for Eye and SensorProtection - Phthalocyanines and Porphyrins - S tate of the Art Review,Edward M. Kozak, Jr. and Kent J. Kogler Order Code AMPT-6,$100.00.

Group IV Metal Carbides: Processing and Engineering Properties -Critical Review and Technology Assessment,P. Baum, R. Pape, Y. Harada, R. Sweis, M. Deshpande. Reviewof technical literature regarding the processing and engineeringproperties of the Group IV metal carbides: titanium carbide, zir-conium carbide, and hafnium carbide. Includes annotated bibli-ography. Order Code AMPT-7, $50.00. ■

The AMPTIAC Newsletter, Volume 2, Number 19

Recent Materials R&D Awards

Title ContractorTechnical Engineering, Analytical andAdministrative Services for Materials, Structuresand Air Vehicles programs.

Commercialization of Ceramic MultilayerActuators

SBIR Phase I for Low Cost C-HFC Composites

Laser Hardened Materials Advanced Studies

Low Cost Rocket Nozzle Materials for TacticalMissiles (SBIR Phase II Topic)

Metal Matrix

Analysis of Design of Composite End Enclosure

Microwave NDT of Cracks in Structural Metals

Nondestructive Evaluation (NDE) TechnologyInitiatives

Fatigue Testing of Coated and UncoatedTitanium and Inconel Test Coupons

Improved Processing of Textured MetalSubstrates for Long Length YBCO HighTemperature Semiconductors

SBIR Phase I Engineering Services forComposite Materials

Demonstration Project on Electroslag WeldingNGI-ESW Process

Advanced Rocket Nozzle and HeatshieldMaterials Technology

JSF Surface Erosion Materials CharacterizationStudy

Outer Wing Panel Fatigue Test

Advanced Rocket Nozzle and HeatshieldMaterials Technology

Development of Highly Reinforced AmorphousMetal Matrix Composites

Contract No.N00421-97-C-1422

N66604-97-H-3982

N00167-97-C-0050

F33615-97-D-5405

N00167-97-C-0066

DAAEO7-97-CX078 DAAEO7-97-CX079

N00178-97-M-1552

DTRS57-97-C-00094

F33615-97-D-5271

N00146-97-M-8840

N00014-97-C-0348

N00167-97-C-0055

DTFH61-97-C-00030

N00167-97-C-0061

N00019-97-C-0135

N0019-94-C-0200

N00167-97-C-0069

DAAG55-98-C-0008

Naval Air Warfare Center,Aircraft Division

Naval Undersea Warfare Division

Naval Surface Warfare Center,Carderock Division

R&D Contracting Directorate,Wright-Patterson AFB

Naval Surface Warfare Center,Carderock Division

U.S. Army Tank-Automotive andArmaments Command

Naval Surface Warfare Center,Dahlgren Division

DOT/RSPA/VOPLE NationalTransportation Systems Center

R&D Contracting Directorate, Wright-Patterson AFB

Supply Directorate, ContractingDepartment

Office of Naval Research

Naval Surface Warfare Center,Carderock Division

DOT, Fed. Hwy. Admin.

Naval Surface Warfare Center,Carderock Division

Naval Air Systems Command

Naval Air Systems Command

Naval Surface Warfare Center,Carderock Division

U.S. Army Research Office

NAVMAR Applied Sciences Corp.

ACT Consortium

Exothermics

Technical Management Concepts, Inc.

Foster-Miller, Inc.

Canadian Commercial Corp.

Alliant Tech Systems, Inc.

Raymond & Lae Engineering

Universal Technology Corporation

Metcut Research Associates, Inc.

Plastronic, Inc.

MSNW, Inc.

Oregon Graduate Inst. of Scienceand Technology

Southern Research Institute

British Aerospace

Northrop Gruman Corp.

Thiokol Corp.

Amorphous TechnologiesInternational ■

Contracting Agency Contractor

Don’t Trash That Data - Recycle ItRetiring? Reorganizing? Running out of storage space? Have todispose of no-longer-needed materials data? Please, don’t trash it!Donate it to AMPTIAC, where it can continue to be of use.

The AMPTIAC Library continually seeks data of interest tothe materials community in its five areas of interest: ceramics andceramic composites; organic structural materials and organicmatrix composites; metals and metal matrix composites; elec-tronic, electro-optic and photonic materials; and environmentalcompliance and special function materials.

Your test data, failure reports, operational history, and otherdata can help a colleague in the selection and reliable applicationof materials in these areas. Please make it available to othersthrough the AMPTIAC Library.

To make a contribution, contact Dave Rose, AMPTIAC,201 Mill St., Rome, NY 13440-6916. Tel: (315) 339-7023. Fax:(315) 339-7107. E-mail: drose@rome.iitri.com. ■

AMPTIAC Wants Your ContributionsWe hope you find this issue of the AMPTIAC Newsletter usefuland interesting. You can help us to better serve you by your contributions, such as:

• Your comments on what you liked and dislikedabout the Newsletter

• Your suggestions for AMPTIAC data products andservices

• Technical articles, opinion pieces, tutorials, newsreleases or just plain letters to the Editor for publi-cation in the Newsletter. (Even a topical joke, ifyou have one you’d like to share.)

To contact AMPTIAC, use any of the ways listed in the box on the back, or use the feedback form on the AMPTIACweb page. Your contributions are always welcome. ■

The AMPTIAC Newsletter, Volume 2, Number 110

Mark Your Calendar9th AeroMat Conference/ExpoJune 15 - June 18, 1998Tyson’s Corner, VAContact: ASM InternationalMaterials Park, OHPhone: (800) 336-5152Fax: (216) 338-4634E-mail: mem-serv@po.asm-intl.org

5th International Conference on Semi-SolidProcessing of Alloys & CompositesJune 23 - June 25, 1998Golden, COColorado School of Minesc/o Office of Special ProgramsGolden, CO 80401Phone: (303) 273-3321Fax: (303) 273-3314

The 40th Electronic Materials ConferenceJune 24 - June 26, 1998Charlottesville, VAContact: TMS Customer Service Dept.420 Commonwealth DriveWarrendale, PA 15086-7514Phone: (412) 776-9000Fax: (412) 776-3770E-mail: csc@tms.orgWebsite:http://www.tms.org/Meetings/Meetings.html

1998 Conference on Precision Electromagnetic MeasurementsJuly 5 - July 10, 1998Washington, DCNISTBldg. 220, Rm. B164Gaithersburg, MD 20899-0001Phone: (301) 975-4223Fax: (301) 926-3972

5th International Conference on Composites EngineeringJuly 5 - July 11, 1998Las Vegas, NVNACE InternationalLas Vegas, NV Phone: (504) 280-6625

ACerS Glass & Optical Materials Division JointMeeting with ICG’98, 18th InternationalCongress on GlassJuly 5 - July 10, 1998San Francisco, CAContact: American Ceramic SocietyPO Box 6136Westerville, OH 43086-6136Phone: (614) 794-5890Fax: (614) 899-6109E-mail: customersrvc@acers.orgWebsite: http://www.acers.org

PRICM3 3rd Pacific Rim InternationalConference on Advanced Materials and ProcessesJuly 12 - July 16, 1998Honolulu, HIContact: TMS420 Commonwealth Dr.Warrendale, PA 15086-7514

Phone: (412) 776-9000, x227Fax: (412) 776-3770E-mail: csc@tms.org

Gordon Research Conference on Aqueous CorrosionJuly 5 - July 11 1998New London, NHLucent TechnologiesColby Sawyer CollegeNew London, NHPhone: (908) 585-3345

34th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and ExhibitJuly 12 - July 15, 1998Cleveland, OHAmerican Ins. of Aeronautics & Astronautics1801 Alexander Bell DriveReston, VA 20191Phone: (800) 639-2422Web Site: http://www.aiaa.org

PRICM3 3rd Pacific Rim InternationalConference on Advanced Materials and ProcessesJuly 12 - July 16 1998Honolulu, HITMS420 Commonwealth DriveWarrendale, PA 15086-7514Phone: (412) 776-9000 x227Fax: (412) 776-3770E-mail:csc@tms.org

Mechanical Metallurgy & ASTM Test Method A370 Test Methods and Definitions for MechanicalTesting of Steel ProductsJuly 14 - July 16, 1998New London, CTContact: ASTM Tech & Prof. Training Dept.West Conshohocken, PA 19428-2959Phone: (610) 832-9686Fax: (610) 832-9668E-mail: smurphy@astm.orgWebsite: http://www.astm.org

1998 Joint Army-Navy-NASA-Air Force (JANNAF) Propulsion MeetingJuly 15 - July 17 1998Cleveland, OHThe Johns Hopkins University/CPIAPhone: (410) 992-7300E-mail: cpiaweb@jhunix.hef.jhu.edu

Innovations in Materials Conference (IMc)July 19 - July 22, 1998Washington, DCIMc HeadquartersPennsylvania State UniversityPhone: (814) 863-9983Fax: (814) 863-7040E-mail: kathymoir@psu.edu

Euromat ‘98July 22 - July 24, 1998Lisbon, PortugalFEMS Sec.Les FontenellesNanterreFax: 33 1 41 02 03 88

31st Ann. International Metallographic Soc.(IMS) ConferenceJuly 26 - July 29, 1998Ottawa, OntarioContact: ASM InternationalMaterials Park, OHPhone: (800) 336-5152Fax: (216) 338-4634E-mail: mem-serv@po.asm-intl.org

Ceramics Gordon research ConferenceAugust 2 - August 6, 1998Meridan, NHAmerican Ceramic SocietyPO Box 6136Westerville, OH 43086-6136Phone: (614) 794-5890Fax: (614) 899-6109E-mail: customersrvc@acers.org

AMPTIAC Subscription Plan AvailableAMPTIAC users may save time and money by participating in a prepaid subscrip-tion plan called the AMPTIAC Full Service Participation Plan. To participate, theuser must place a minimum amount on account ($500 in U. S. funds) or provide apurchase order with a “not-to-exceed” amount indicated.

Under the plan, a member may order products and services simply by calling (315) 339-7080 and authorizing a charge against the account. Besides the con-venient access to AMPTIAC services without the delay and expense of individualpurchase orders, participants will automatically receive:

• Discounts on publications and training• The AMPTIAC Newsletter and new product, service and training announcements• Quarterly account statements providing a record of expended and remaining funds

To sign up, contact AMPTIAC. ■

The AMPTIAC Newsletter, Volume 2, Number11 The AMPTIAC Newsletter, Volume 2, Number 1

AMPTIAC DirectoryGOV E R N M E N T PE R S O N N E L IITRI PE R S O N N E L

TE CH N I CA L MA NAG E R/ COT RDr. Lewis E. Sloter IIOffice of the Director Defense Research and Engineering(Advanced Technology) The Pentagon, Room 3D1089Washington, DC 20301-3080(703) 695-0005, Fax: (703) 695-4885E-mail: sloterle@acq.osd.mil

AS S O C I AT E COT RS

CE R A M I C S, CE R A M I C CO M P O S I T E S

Dr. S. Carlos SandayNaval Research Laboratory4555 Overlook Ave., S.W. Code 6303Washington, DC 20375-5343(202) 767-2264, Fax: (202) 404-8009E-mail: sanday@anvil.nrl.navy.mil

ORG A N I C ST RU C T U R E S & ORG A N I C

MAT R I X CO M P O S I T E S

Roger GriswoldWL/MLBC Bldg. 6542941 P Street, STE 1Wright-Patterson AFB, OH 45433-7750(937) 255-9070, Fax: (937) 255-9019E-mail: griswold@ml.wpafb.af.mil

ME TA L S, ME TA L MAT R I X CO M P O S I T E S

Dr. Joe WellsArmy Research LaboratoryWeapons & Materials Research DirectorateAMSRL-WM-MC (@CNR Site)APG, MD 21005-5069(410) 306-0752, Fax: (410) 306-0736E-mail: jwells@arl.mil

EL E C T RO N I C S, EL E C T RO- OP T I C S,PH OTO N I C S

Robert L. DenisonWL/MLPO, Bldg. 6513005 P Street, STE 6Wright-Patterson AFB, OH 45433-7707(937) 255-4474 x3250 Fax: (937) 255-4913E-mail: denisorl@ml.wpafb.af.mil

EN V I RO N M E N TA L PROT E C T I O N &SPE C I A L FU N C T I O N MAT E R I A L S

Dr. James MurdayNaval Research Laboratory4555 Overlook Ave, S.W. Code 6100Washington, DC 20375-5320(202) 767-3026 Fax: (2022) 404-7139E-mail: murday@ccf.nrl.navy.mil

DE F E N S E TE C H N I C A L IN F O R M AT I O N

CE N T E R (DTIC) POCMelinda Munsell, DTIC-AI8725 John J. Kingman Road, STE 0944Ft. Belvoir, VA 22060-6218(703) 767-9120E-mail: mmunsell@dtic.mil

DI R E C TO R, AMPTIACSteven J. Flint201 Mill StreetRome, NY 13440-6916(315) 339-7117, Fax: (315) 339-7107 E-mail: sflint@rome.iitri.com

DE P U TY DI R E C TO R, AMPTIACDavid Rose201 Mill StreetRome, NY 13440-6916(315) 339-7023, Fax: (315) 339-7107 E-mail: drose@rome.iitri.com

TE CH N I CA L DI R E C TO R S

METALS, METAL MATRIX COMPOSITES

Dr. A. K. Kuruvilla7501 South Memorial Parkway,Suite 104Huntsville, AL 35802(205) 880-0884, x238, Fax: (205) 880-0886E-mail: akuruvilla@iitri.com

CERAMICS, CERAMIC COMPOSITES

Dr. Lynn Neergaard7501 South Memorial ParkwaySuite 104Huntsville, AL 35802(205) 880-0884, x221,Fax: (205) 880-0886E-mail: lneergaard@iitri.com

ORGANIC STRUCTURES & ORGANIC

MATRIX COMPOSITES

Jeffrey Guthrie201 Mill StreetRome, NY 13440-6916799(315) 339-7058, Fax: (315) 339-7107E-mail: jguthrie@rome.iitri.com

ELECTRONICS, ELECTRO-OPTICS,PHOTONICS

Edward Kozak10 West 35th StreetChicago, IL 60616-3799(312) 567-4574, Fax: (312) 567-4889E-mail: ekozak@iitri.com

ENVIRONMENTAL COMPLIANCE &SPECIAL FUNCTION MATERIALS

Dr. Richard C. Doyle8510 Cinderbed Road-Suite 300Newington, VA(312) 567-4262, Fax: (703) 550-0460E-mail: rdoyle@iitri.com

SAMPE Conference Joins IBEC ‘99The Society for the Advancement of Material andProcess Engineering (SAMPE) has announced thatit will co-locate its first International AutomotiveC o n f e rence with the 1999 International BodyEngineering Conference (IBEC) to be heldSeptember 21-23, 1999, in Cobo Hall, Detroit,MI, under an agreement with The EngineeringSociety (ESD) and the Society of AutomotiveEngineers (SAE), co-owners of the IBEC.

Dr. A. Brent Strong, SAMPE President, stated:“The Society’s mission is to disseminate informa-tion in regard to advanced materials and theirpotential use in various end products. With theautomotive industry representing a huge potentialmarket, it is essential that SAMPE participate inactivities which would promote the use of thesematerials. The experience with these materials inaerospace/defense should be extremely useful forautomotive applications if cost and volume consid-erations can be kept in line with the currentlyemployed materials.”

For additional information, contact …

SAMPE International Business OfficePO Box 2459, Covina, CA 91722-8459. Tel: (626) 331-0616, x602. ■

Technical Inquiry ServiceReaders of the AMPTIAC Newsletter may not befully aware of the inquiry service available to themt h rough the Ad vanced Materials andProcessesTechnology Information Analysis Center.

A real benefit that is derived from any infor-mation analysis center is that of being able toobtain authoritative rapid response to one’s urgenttechnical requests. Because AMPTIAC operates asa full-service center within the structure of IITResearch Institute, it is able to draw upon theexpertise of a large research organization to provideusers of the inquiry service with pertinent informa-tion on metals, ceramics, polymers, electronic,optical and photonic materials technologies includ-ing properties, process information, applications,environmental effects and life extension.

The AMPTIAC technical inquiry service isoffered free of charge for the first eight hours of ser-vice. Requests that may require additional time arecharged to reflect the amount of effort and level ofe x p e rtise re q u i red to provide a useful answe r.Under no circumstance will a user be charged forservices without a prior agreement to do so.

AMPTIAC’s inquiry service could help savetime and money. For more information, contactAMPTIAC by any of the means listed on the backcover of this newsletter. ■

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A D VA N C E D M AT E R I A L S A N D PR O C E S S E S T E C H N O L O G Y

To contact AMPTIAC

Inside this Issue…Efforts To Enhance The Properties Of Epoxies

Centennial Celebration

Aluminum MMC Consortium

IITRI Has New President

Customized Materials Database

Recent Patents

New Websites

Recent Materials R&D Awards

Don’t Trash

SAMPE Conference

Technical Inquiry Service

And More…

I I T R es e ar c h I ns t i tu t e /A MP TI A C

20 1 Mi l l S t r e e t

Ro me , N Y 134 40- 6 9 16

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AMPTIAC, 201 Mill Street, Rome NY 13440-6916Attn.: Nan K. Pfrimmer

Queries may be made by telephone to (315) 339-7117, fax to (315) 339-7010, or e-mail toamptiac@rome.iitri.com/amptiac. Inquires can also be made from the AMPTIAC website athttp://rome.iitri.com/amptiac. All ads are subject to AMPTIAC publication policies, which are available onrequest and are posted on the AMPTIAC website.

The AMPTIAC Newsletter has a world-wide distribution of over 25,000 copies. Since copies areshared, estimated total readership is over 60,000. ■

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A M P T I AC is a DoD In fo rmat ion Ana lysis Cen ter Sponsored by t he Defense Te chnical In fo rmation Cente r and Opera ted by I IT Re s e a rch Ins t i t u te