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Aluminum Alloys

Aluminum Alloys

Aluminum Alloys

(OP)
Can someone tell me (in laymans terms) the difference between stress relieve and anneal please?

RE: Aluminum Alloys

Annealing (full):   A generic term denoting a treatment, consisting of heating to and holding at a suitable temperature followed by cooling at a suitable rate, used primarily to soften metallic materials. Also to simultaneously produce desired changes in other properties or in microstructure.  The purpose  of annealing may be to: improvement of machinability, facilitation of cold work, improvement of mechanical or electrical properties, and/or increase in stability of Dimensions.  

Stress Relieving:  Heating to a suitable temperature, holding long enough to reduce residual stresses, and then cooling slowly enough to minimize the development of new residual stresses.

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