Engineering Materials
The lower critical temperature

Depends upon the rate of heating
Decreases as the carbon content in steel increases
Is same for all steels
Increases as the carbon content in steel increases

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Engineering Materials
Aluminium bronze contains

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

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