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Residual stress measurement round robin on an electron beam welded joint between austenitic stainless steel 316L(N) and ferritic steel P91

Javadi, Y.; Smith, M.C.; Abburi Venkata, K.; Naveed, N.; Forsey, A.N.; Francis, J.A.; Ainsworth, R.A.; Truman, C.E.; Smith, D.J.; Hosseinzadeh, F.; Gungor, S.; Bouchard, P. J.; Dey, H.C.; Bhaduri, A.K. and Mahadevan, S. (2017). Residual stress measurement round robin on an electron beam welded joint between austenitic stainless steel 316L(N) and ferritic steel P91. International Journal of Pressure Vessels and Piping, 154 pp. 41–57.

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This paper is a research output of DMW-Creep project which is part of a national UK programme through the RCUK Energy programme and India's Department of Atomic Energy. The research is focussed on understanding the characteristics of welded joints between austenitic stainless steel and ferritic steel that are widely used in many nuclear power generating plants and petrochemical industries as well as conventional coal and gas-fired power systems. The members of the DMW-Creep project have under- taken parallel round robin activities measuring the residual stresses generated by a dissimilar metal weld (DMW) between AISI 316L(N) austenitic stainless steel and P91 ferritic-martensitic steel. Electron beam (EB) welding was employed to produce a single bead weld on a plate specimen and an additional smoothing pass (known cosmetic pass) was then introduced using a defocused beam. The welding re- sidual stresses have been measured by five experimental methods including (I) neutron diffraction (ND), (II) X-Ray diffraction (XRD), (III) contour method (CM), (IV) incremental deep hole drilling (iDHD) and (V) incremental centre hole drilling (iCHD). The round robin measurements of weld residual stresses are compared in order to characterise surface and sub-surface residual stresses comprehensively.

Item Type: Journal Item
Copyright Holders: 2017 The Authors
ISSN: 0308-0161
Project Funding Details:
Funded Project NameProject IDFunding Body
DMW-Creep: Influence of Inhomogeneity on Creep of Dissimilar Metal welds (XD-12-046-PJB)EP/K007866/1EPSRC (Engineering and Physical Sciences Research Council)
Not SetNot SetRCUK India Office (RCUKI)
Keywords: Weld residual stress (WRS); Dissimilar metal weld (DMW); Electron beam (EB) welding; Neutron diffraction (ND); X-ray diffraction (XRD); Contour method (CM); Hole drilling (HD)
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM)
Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Research Group: Health and Wellbeing PRA (Priority Research Area)
Item ID: 52913
Depositing User: Alex Forsey
Date Deposited: 19 Jan 2018 13:58
Last Modified: 31 May 2019 13:53
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