Engineering Materials
Grey cast iron has

High tensile strength
Carbon in the form of free graphite
Low compressive strength
All of these

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Engineering Materials
Thermoplastic materials are those materials which

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 used as a friction lining for clutches and brakes
Are formed into shape under heat and pressure and results in a permanently hard product

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