Bouchard, P. J. and Withers, P. J.
|DOI (Digital Object Identifier) Link:||http://doi.org/10.1080/10238160410001734504|
|Google Scholar:||Look up in Google Scholar|
Residual stresses exist in most engineering components as a consequence of material processing and service history. It is well documented that such stresses can vary across a range of length scales and that different measurement techniques are sensitive to different components of the stress. Needless to say for reliable structural integrity assessment the residual stress field must be accurately quantified over the appropriate length scales. A classification system for sub-dividing residual macrostresses into long-, medium- and short-length scales is proposed to aid this process. A series of examples are presented that illustrate how the length scale for residual stress measurement and modelling studies should be determined in terms of the nature and size scale of the specific structural performance concern. The examples are related mainly to the residual stress field induced by a weld repair in a pipe that has been analysed by 3D finite element simulation techniques and measured by neutron diffraction.
|Item Type:||Journal Article|
|Keywords:||neutron; synchrotron; diffraction; weld; cracking; fracture|
|Academic Unit/Department:||Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
|Depositing User:||P. John Bouchard|
|Date Deposited:||17 Mar 2009 14:18|
|Last Modified:||02 Aug 2016 13:23|
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