Engineering Materials
The hardness and tensile strength in austenitic stainless steel can be increased by

Hardening and cold working
Martempering
Normalizing
Full annealing

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Engineering Materials
Thermoplastic materials are those materials which

Are used as a friction lining for clutches and brakes
Are flexible and can withstand considerable wear under suitable conditions
Do not become hard with the application of heat and pressure and no chemical change occurs
Are formed into shape under heat and pressure and results in a permanently hard product

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