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Thermal relaxation of residual stress in thick section girth welds has been quantified by both measurement and analysis. Two girth welds were used to measure the stress relaxation effect of a post-weld heat treatment process, and the effect of thermal ageing. Distributions of residual stress were measured before and after the thermal treatments by diverse techniques including surface hole drilling, deep hole drilling, neutron diffraction, X-ray diffraction and by destructive sectioning.

Additional information

Authors: BOUCHARD PJ, British Energy, Barnett Way, Barnwood, Gloucester (UK);BATE SK, AEA Technology, Risley, Warrington, Cheshire, (UK);GEORGE D, University of Bristol, Queens Building, University Walk, Bristol, (UK);LEGGATT RH, TWI, Abington, Cambridge (UK);YOUTSOS AG, JRC-Institute for Advanced Materials, Petten (NL)
Bibliographic Reference: An oral report given at the: 6th International Conference on Residual Stress (ICRS-6).Organised by: University of Oxford. Held at: University of Oxford (UK), 10-12 July 2000
Record Number: 200013342 / Last updated on: 2001-06-27
Original language: en
Available languages: en