Residual Stresses in Overlapping Friction Taper Stud Welds

D.G. Hattingh; Axel Steuwer; M. Neil James; I.N. Wedderburn

doi:10.4028/www.scientific.net/MSF.652.111

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HomeMaterials Science ForumMaterials Science Forum Vol. 652Residual Stresses in Overlapping Friction Taper...

Residual Stresses in Overlapping Friction Taper Stud Welds

Abstract:

This paper presents microstructural, hardness and residual strain information for solid-state welds in creep-resistant Cr-Mo steel, made using the new local damage repair technique offered by friction taper stud welding (FTSW). The technique is suitable for making single welds to repair, for example, localised creep damage but can also be extended to deal with planar defects through the use of overlapping welds. Neutron diffraction was used to measure residual strains at a number of positions along a series of 5 overlapping FTS welds.

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Periodical:

Materials Science Forum (Volume 652)

Pages:

111-115

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.652.111

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Online since:

May 2010

Authors:

D.G. Hattingh, Axel Steuwer, M. Neil James, I.N. Wedderburn

Keywords:

Creep Resistant Steel, Friction Taper Stud Weld, Neutron Diffraction, Overlapping Weld, Residual Stress

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