Elastic follow-up and relaxation of residual stresses

D.J. Smith; J. McFadden; S. Hadidimoud; A.J. Smith; A.J. Stormonth-Darling; A.A. Aziz

doi:10.1243/09544062JMES1733

Elastic follow-up and relaxation of residual stresses

D.J. Smith, J. McFadden, S. Hadidimoud, A.J. Smith, A.J. Stormonth-Darling, A.A. Aziz

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Abstract

A series of experiments were undertaken using a multiple bar assembly to measure elastic follow-up and relaxation of an initial residual stress. A test rig was designed to permit different levels of elastic follow-up to occur. The general features of the experimental results confirmed predictions provided by simple models. The most reliable measure of elastic follow-up was obtained by measuring the relaxation of the initial residual stress. The rate of relaxation of the residual stress is found to be proportional to the elastic follow-up factor.

Original language	English
Pages (from-to)	777-787
Number of pages	11
Journal	Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume	224
Issue number	4
DOIs	https://doi.org/10.1243/09544062JMES1733
Publication status	Published - 1 Apr 2010

Keywords

elastic follow-up
Residual stress
experiments

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10.1243/09544062JMES1733

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AU - Aziz, A.A.

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KW - Residual stress

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Elastic follow-up and relaxation of residual stresses

Abstract

Keywords

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