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An experimental study of the elastic-plastic deformation of double 'V' butt welds

Lee, M.M.K and Luxmoore, A.R. (1990) An experimental study of the elastic-plastic deformation of double 'V' butt welds The Journal of Strain Analysis for Engineering Design, 25, (4), pp. 255-265. (doi:10.1243/03093247V254255).

Record type: Article

Abstract

The elastic-plastic fracture behaviour of undermatched double ‘V’ weldments with defects was investigated experimentally. Undermatching occurs when the yield stress of the weld is lower than that of the parent plate. Five notched specimens subjected to tension and four-point bending were tested, and deformation and strains were measured using the moiré fringe technique. Results of the study indicated that the COD in weldments with a large undermatch remained constant for a temporary period, giving a ‘flattening’ effect of the COD curve. This effect arose from the weld being shielded from further deformation by the gradual strain build-up and subsequent yielding of the parent metal.

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Published date: 1990

Identifiers

Local EPrints ID: 75351
URI: http://eprints.soton.ac.uk/id/eprint/75351
ISSN: 0309-3247
PURE UUID: 91833de0-c3ef-4a3f-ba0b-a6ee0a9d763c

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:43

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Author: M.M.K Lee
Author: A.R. Luxmoore

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