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Determine the correctness or otherwise of the following Assertion (a) and...

This question belongs to Metallurgical Engineering Physical Metallurgy
Physical Metallurgy
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Determine the correctness or otherwise of the following Assertion (a) and Reason (r).
Assertion (a): Peak aging time for an Al-4 wt.% Cu alloy is indicated by a maximum in the hardness.
Reason (r): The maximum volume fraction of the θ precipitates is formed at the peak aging time.

Answer & Solution
Correct Answer: Option A
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