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RESEARCH PAPERS

Vibratory Stress Relief: A Fundamental Study of Its Effectiveness

[+] Author and Article Information
R. Dawson

Group Purchase Department, Perkins Engines Limited, Peterborough

D. G. Moffat

Department of Mechanical Engineering, University of Liverpool, Liverpool, England

J. Eng. Mater. Technol 102(2), 169-176 (Apr 01, 1980) (8 pages) doi:10.1115/1.3224793 History: Received August 20, 1979; Online September 15, 2009

Abstract

Techniques have been devised for inducing consistent residual stress distributions into cantilever beams and for measuring their variation through the section. Commercial vibratory stress relief procedures have been simulated using a laboratory shaker, and it has been shown that resonant vibration techniques are capable of producing almost complete surface stress relief in specimens of hot rolled mild steel, cold drawn mild steel, and an aluminium alloy. The variables involved in the process are examined and conclusions are reached regarding cyclic strain amplitudes, cycle numbers, and frequency and fatigue effects.

Copyright © 1980 by ASME
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