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Which one complete the sentence above?

- only occurs if the metal has previously been cold-worked


- always results in grain growth and oxidation


- can never take place at room temperature


- occurs at 500K in all cases

- starts to occur at about 20% of the melt temperature in Kelvin


- does not occur in fcc metals
6 years ago

Engineering Question asked by Omar

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I believe its annealing, which is used to make metals more ductile which makes it easier to work with them.
Answered by [Deleted Member]
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