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

Research output: Contribution to journalArticle

21 Citations (Scopus)

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 languageEnglish
Pages (from-to)777-787
Number of pages11
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume224
Issue number4
DOIs
Publication statusPublished - 1 Apr 2010

Keywords

  • elastic follow-up
  • Residual stress
  • experiments

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