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Fretting in the Light of Aircraft Experience

Published online by Cambridge University Press:  04 July 2016

P. B. Walker
P. B. Walker*
Affiliation:
Head of Structures Department, Royal Aircraft Establishment Ltd.
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Summary

Fretting is examined in its engineering aspects and then considered on a more theoretical basis. The mechanism of fatigue initiation by fretting is discussed, and also some of the methods proposed for the prevention of fretting. Some attention is also given to the fatigue life of joints when fretting does not occur. The difficulties that have been encountered in understanding fretting and assessing its consequences are thought to have a rather special significance. It is considered that there is now sufficient knowledge to put the whole subject tentatively on a rational basis, but more research is required to remove some of the uncertainties that still remain.

Type
Research Article
Information
The Aeronautical Journal , Volume 63 , Issue 581 , May 1959 , pp. 293 - 298
Copyright
Copyright © Royal Aeronautical Society 1959

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References

Note on page 293 * In view of the rather liberal interpretation placed upon such published work as is available, and the extent to which use is made of unrecorded knowledge obtained from discussion or direct experience, no specific references are made to published work.

Note on page 295 * Metallic insertions are not necessarily ruled out, but the author is without evidence on this point.

Note on page 295 † It may be remembered that friction has also been defined as a welding and tearing process. This should not lead to misunderstanding. Relatively large particles are involved in fretting whereas the frictional phenomenon takes place more or less on a molecular scale.