aae 450 spring 2008 jesii doyle 1/17/2008 internal structure, mounting materials initial mounting...
TRANSCRIPT
AAE 450 Spring 2008
Jesii Doyle1/17/2008
Internal Structure, Mounting Materials
Initial Mounting Materials Research
AAE 450 Spring 2008
Mounting Materials – Initial Research
Structures
Strength/Cost
0
20
40
60
Al 6
061-
T6
Al 7
075-
T6
Ti-6
Al-4
V
Fib
ergl
ass
Car
bon/
Car
bon
3-D
irect
iona
lO
rth.
Strength/Cost
(MPa/$)
Strength/Weight
0
200
400
600
800
1000
Al 6
061-
T6
Al 7
075-
T6
Ti-6
Al-4
V
Fib
ergl
ass
Car
bon/
Car
bon
3-D
irect
iona
lO
rth.
Strength/Weight
(MPa/kg)
AAE 450 Spring 2008
Mounting Materials – Initial Research Strength/Cost
– Al 6061-T6 54.72 MPa/$ Strength/Weight
– Ti 6Al-4V 876 MPa/kg
Recommended Material – Al 6061-T6
Structures
Future Work Approximate material required Maximum mounting loads
AAE 450 Spring 2008
Backup Slides Material Properties and Cost Research
Structures
MaterialFtu (ksi)
Ftu (MPa)
Fty (ksi) Fty (MPa)Density (g/cm^3)
Cost/kg
Al 6061-T6
38 262 35 241 2.70 $4.41
Al 7075-T6
75 517 65 448 2.80 $17.64
Ti-6Al-4V 139 958 127 876 4.46 $93.59
Fiberglass 30 207 30 207 1.72 $1,121.98
Carbon/Carbon 3-Directional
Orth.
45 310 23 159 1.90 $552.45
AAE 450 Spring 2008
Backup Slides Strength/$ and Strength/kg Calculation
MaterialFty
(MPa)Cost/kg
Cost (Assume 1kg)
Strength/$ (MPa/$)
Strength/kg (MPa/kg)
Al 6061-T6 241 $4.41 $4.41 54.72 241.32
Al 7075-T6 448 $17.64 $17.64 25.41 448.16
Ti-6Al-4V 876 $93.59 $93.59 9.36 875.63
Fiberglass 207 $1,121.98 $1,121.98 0.18 206.84
Carbon/Carbon 3-Directional
Orth.
159 $552.45 $552.45 0.29 158.99
AAE 450 Spring 2008
Backup Slides References:
“6Al-4V Titanium Sheet and Plate,” Titanium Joe, December 2007. [http://www.titaniumjoe.com/6al4v%20sheet.htm. Accessed 1/15/2008.]
“Carbon Fiber – Structural,” Metals and Materials, The Robot Marketplace, December 2007. [http://www.robotmarketplace.com/marketplace_ carbonfiber_struc.html. Accessed 1/15/2008.]
“Carbon matrix composite, Carbon/carbon, Three-directional orthogonal, Shape,” Engineered Materials Handbook, Vol. 1, Composites, ASM International, 1987.
“Properties,” Pultruded Products, Strongwell, January 2008. [http://www.strongwell.com/PDFfiles/Extren/EXTREN%20Properties.pdf. Accessed 1/16/2008.]
Setlak, Stanley J., “Aluminum Alloys; Cast,” Aerospace Structural Metals Handbook, Purdue University, Indiana, 2000.
AAE 450 Spring 2008
Backup Slides References (cont.):
Setlak, Stanley J., “Titanium Alloys; Cast,” Aerospace Structural Metals Handbook, Purdue University, Indiana, 2000.
“Suggested List Prices,” EXTREN: Fiberglass Structural Shapes & Plate, Strongwell, November 2006. [http://www.peabodyconcealment.com/ sitebuildercontent/sitebuilderfiles/StrongwellExtrenPrices.pdf. Accessed 1/15/2008.]