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The influence of vibratory treatment on the fatigue life of welds : a comparison with thermal stress relief

Munsi, A.S.M.Y. and Waddell, A.J. and Walker, C.A. (2001) The influence of vibratory treatment on the fatigue life of welds : a comparison with thermal stress relief. Strain, 37 (4). pp. 142-150. ISSN 0039-2103

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Abstract

A comparison has been made between the fatigue lives of welded specimens a) in the as welded condition b) after heat treatment, and c) after post-weld vibration. By comparison with the aswelded specimens, the fatigue lives of the thermally relieved specimens were found to decrease by 43%, while the vibration treated specimens showed an increase of between 17% and 30%. While these findings are interesting in that they offer a way of extending the fatigue lives of welded joints, they confirm the view that the mechanism of residual stress relieving in the vibratory stress relief (VSR) method, and its relationship with fatigue life is poorly understood.

Item type: Article
ID code: 6338
Keywords: structural analysis, welded joint, heat treatment, X ray diffraction, residual stress, thermal stress, sports engineering, Mechanical engineering and machinery, Engineering design, Mechanics of Materials, Mechanical Engineering
Subjects: Technology > Mechanical engineering and machinery
Technology > Engineering (General). Civil engineering (General) > Engineering design
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user: Strathprints Administrator
Date deposited: 17 Jul 2008
Last modified: 08 Jan 2019 00:31
URI: https://strathprints.strath.ac.uk/id/eprint/6338
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