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Posted by JB [24.12.81.181] on Friday, September 04, 2009 at 12:16:59 :
In Reply to: Re: Burned out truck, what is it? posted by Gary Troxel [207.200.116.137] on Thursday, September 03, 2009 at 23:25:38 :
annealing is the process you're referring to - by heating the metal, it alters its molecular structure, softening it & rendering it more malleable if you want to work or shape it. It also alleviates inherent internal stress in the metal, and allows it to create a new memory for the new shape its given as it slowly cools.