Imagine if cold-rolled aluminium sheet was heated in an oven at 300 o C for 2 hours (the recrystallisation temperature of aluminium is about 150 o C). Which of the following is not true?

Question

Imagine if cold-rolled aluminium sheet was heated in an oven at 300 o  C for 2 hours (the recrystallisation temperature of aluminium is about 150 o C). Which of the following is not true?

Accepted Answer

The room temperature elastic modulus of the aluminium would be lowered by the heat treatment

Answer

The material would recover and recrystallise and consume the prior worked structure.

Answer

The material would become easier to deform at room temperature

Answer

The material would soften and become more ductile

Crowdly

Imagine if cold-rolled aluminium sheet was heated in an oven at 300 o C for 2 h...

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