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Residual Stresses Resulting from the Forming of High Strength Aluminium Alloys

Published online by Cambridge University Press:  04 July 2016

G. A. Hawkes
G. A. Hawkes*
Affiliation:
Aeronautical Research Laboratories, Melbourne; formerly Materials Laboratory, The Fairey Aviation Co. Ltd.
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Extract

An X-ray back reflection technique has been used to measure the surface residual stresses resulting from the cold and hot forming of certain high strength aluminium alloys. The alloys examined were to specifications DTD 683, DTD 687 and B.S.S. L65, and the residual stresses have been related to the residual strain in bending of these alloys. The results show that, apart from the degree of straining, the residual stresses are affected by the heat treatment (cold or hot quench) and the amount (if any) of controlled stretching that the alloy has had between solution treatment and precipitation.

Type
Research Article
Information
The Aeronautical Journal , Volume 63 , Issue 578 , February 1959 , pp. 90 - 94
Copyright
Copyright © Royal Aeronautical Society 1959

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References

1.Forrest, G. (1948). Residual Stresses in Beams after Bending. Symposium on Internal Stresses in Metals and Alloys. The Institute of Metals, p. 153, 1948.Google Scholar
2.Hawkes, G. A. (1957). The Measurement of Surface Residual Stress by X-rays. British Journal of Applied Physics, 8, p. 229, 1957.CrossRefGoogle Scholar