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  3. the water quenched 1045 sample had a higher hardne

The water quenched 1045 sample had a higher hardness and tensile strength than the air cooled sample?...

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Mechanical Engineering

Thewater quenched 1045 sample had a higher hardness and tensilestrength than the air cooled sample? Explain in term ofmicrostructural theory as to why this is the case.

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3.9 Ratings (676 Votes)
In simple language we can say when the metal is cooled after heating upto certain temperature there will be multidirectional crystal growth called dendrite formation If the cooling rate is slow nucleation takes place at smaller places which produces coarse    See Answer
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