Simulation and Measurement of Residual Stresses in a Type 316H Stain­less Steel Offset Repair in a Pipe Girth Weld


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In common with all mechanical strain relief residual stress measurement methods, extra care must be taken when making measurements on components containing highly triaxial residual stress fields which are close to yield. The introduction of a free surface, created as part of the measurement procedure, can lead to plastic redistribution of the residual stress field. Usually, this is not accounted for in the elastic inversion algorithms of the experimental procedure. This paper demon­strates the usefulness and accuracy of deep-hole drilling (DHD) method [1] in a component predicted to contain a triaxial residual stress field. Previous measurements [2] are compared with the results of a DHD simulation on a type 316H stainless steel pipe containing a repair weld offset from an original girth weld. The influence of different material models was also studied.



Edited by:

Paolo Scardi and Cristy L. Azanza Ricardo




M.S. Hossain et al., "Simulation and Measurement of Residual Stresses in a Type 316H Stain­less Steel Offset Repair in a Pipe Girth Weld", Materials Science Forum, Vol. 681, pp. 492-497, 2011

Online since:

March 2011




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