Which of the following statements associated with the tempering of Aluminum is correct.

Question

Answer

Tempering is recommended after the aging process to reduce brittleness.

Answer

After quenching, the part undergoes an aging process where solid precipitates form.

Answer

Can only achieve enhanced mechanical properties if done on Aluminum Alloy and not pure Aluminum.

Answer

First, it involved heating till alloy elements fully dissolves in the aluminum and then quenching.

Answer

Can achieve enhance mechanical properties if done to pure aluminum.

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