Stress relief of aluminium rings

Metal treatment – Compositions – Heat treating

Patent

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C22F 104

Patent

active

042683220

ABSTRACT:
A method for producing aluminum rings without developing undesirable residual stresses. A hot ring blank is ring rolled to a diametric size ranging approximately between 1% and 3% smaller than the desired dimensions of the finished ring. The ring is subsequently heated, quenched, subjected to cold ring working, and then aged prior to final machining.

REFERENCES:
Klient et al., Stress Relief in Aluminum Forgings, Light Metal Age, Feb. 1958, pp. 14-21.

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