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Vibratory stress relief - an investigation of the torsional stress effect in welded shafts

Munsi, A.S.M.Y. and Walker, C.A. and Waddell, A.J. (2001) Vibratory stress relief - an investigation of the torsional stress effect in welded shafts. Journal of Strain Analysis for Engineering Design, 36 (5). pp. 453-464. ISSN 0309-3247

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Abstract

In this study the effect of torsional vibration on residual stresses was investigated. Three types of shaft specimen were processed, namely (a) a homogeneous shaft, (b) a shaft welded on a circumferential line and (c) a spot-welded shaft. The first two types of shaft showed some redistribution in the residual stresses under applied torsional loads. On the spot-welded shafts the residual stresses were found to decrease significantly at a very low level of vibration induced stress.