GENERAL MOTORS Day Three

Introduction to Thermal Spray

Day Two Review

• Wear Protection

• Dimensional Restoration

• Thermal Insulation

• Corrosion Resistance

• Oxidation Resistance

• Lubricative Film

• Abrasive Activity

• Seals

• Biomedical/Dental Activity

• Electromagnetic Properties

Selected Applications

Selected ApplicationsAEROSPACEIndustry Trends:

• Leading Industry in coatings • Over 40,000 Commercial & 25,000 Aircraft Engines(not including Tanks etc.)

• Leading the way is Fretting Wear

• Thermal Barriers

• Seals • Dimensional Buildup

Selected Applications

Selected ApplicationsAUTOMOTIVEWear:

• Pistons

• Piston Rings

• Cylinder Bore

• Fuel Injectors

• Valve Train

• Crankshaft

• “Other” Powertrain

Thermal Barriers:• Diesels

• Exhaust

• Sound

• Housings

Selected Applications

• Biomedical• Ceramic & Glass Manufacture• Marine & Land Base Inter-structure• Electronics Production• Printing Industry

• Printing Industry• Processing Industries• Foundry & Metal Processing• Electric Utilities• Textile & Plastics

OTHER SELECT INDUSTRIES

Selected Applications

Thermal Spray Testing

Testing and Characterization

Testing and Characterization MethodsAs Response Generator

Testing and Characterization as a Diverse Materials Engineering Opportunity

• Metallography • Sectioning Techniques

• Mounting Materials and Techniques

• Grinding and Polishing

• Hardness

• Tensile Adhesion

• Powder Testing

Testing and Characterization

Sample Cutoff

Testing and Characterization

Mounting Press

Testing and Characterization

Sample Polishing

Testing and Characterization

• Optioned Comparison to Photographic Standards

• No Real Quantitative Analysis • Inflight Practical Analysis

• Still no “Real Time” Coating Buildup Data

Testing and Characterization

In-Situ Coating Property Sensor

Testing and Characterization

Testing and Characterization