Engineering Materials
Aluminium bronze contains

92.5% aluminium, 4% copper, 2% nickel, and 1.5% Mg
90% magnesium and 9% aluminium with some copper
10% aluminium and 90% copper
94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe

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Engineering Materials
Thermoplastic materials are those materials which

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

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