Project to evaluate the integrity of repaired welds

Project to evaluate the integrity of repaired welds

The preliminary stage of a multi-stage project has been carried out aimed at providing general guidance on welding repairs in terms of when such repairs may or may not be beneficial. The work has been centred on detailed finite element modelling of a matrix of relevant un-repaired and repaired weld...

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Veröffentlicht in:The International journal of pressure vessels and piping 2005-04, Vol.82 (4), p.319-338
Hauptverfasser: Sharples, J.K., Gardner, L., Bate, S.K., Goldthorpe, M.R., Yates, J.R., Bainbridge, H.
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Sprache:eng
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finite element modelling
Repaired welds
Residual stresses
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container_end_page 338
container_issue 4
container_start_page 319
container_title The International journal of pressure vessels and piping
container_volume 82
creator Sharples, J.K.
Gardner, L.
Bate, S.K.
Goldthorpe, M.R.
Yates, J.R.
Bainbridge, H.
description The preliminary stage of a multi-stage project has been carried out aimed at providing general guidance on welding repairs in terms of when such repairs may or may not be beneficial. The work has been centred on detailed finite element modelling of a matrix of relevant un-repaired and repaired weld configurations. Development and validation of the finite element models have been undertaken by way of an experimental programme involving mechanical testing using photoelastic coating and thermal emission methods. A number of material characterisation tests have been performed and residual stress profiles have been evaluated experimentally. These profiles have been well replicated in the finite element models. This paper details, the work carried out to date on the project and highlights the preliminary conclusions that have resulted from it.
doi_str_mv 10.1016/j.ijpvp.2004.08.010
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1879-3541
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source Elsevier ScienceDirect Journals
subjects finite element modelling
Repaired welds
Residual stresses
title Project to evaluate the integrity of repaired welds
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