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Trans Tech Publications, Materials Science Forum, (850), p. 403-408

DOI: 10.4028/www.scientific.net/msf.850.403

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Effect of Residual Stresses on Ductile Crack Growth in Pipeline Steel

Journal article published in 2016 by Xiao Min Zhuo, Jie Xu, Peng Li, Yu Fan, Zhi Sun
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Data provided by SHERPA/RoMEO

Abstract

In this study, the effects of residual stresses on the ductile crack growth resistance was investigated using single-edge-notched bending (SENB) and single-edge-notched tension (SENT) specimens as well as axisymmetric model. Weld residual stresses were introduced by the so-called eigenstrain method. The crack tip opening displacement (CTOD) and constraint parameter R were calculated for different specimens and residual stresses. Results show that the residual stresses slightly reduced the ductile crack growth resistance. However, crack tip constraint R elevated with the increase of residual stress.