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Investigation of temperature transients during flux-cored CO2 butt welding of CMn steel plates

Camilleri, D. and Comlekci, T. and Lee, C.K. and Tan, H.C.P. and Gray, T.G.F. (2003) Investigation of temperature transients during flux-cored CO2 butt welding of CMn steel plates. In: International Conference on Metal Fabrication and Welding Technology and European Symposium on Manufacturing and Modelling of Fabricated Structural Components, 2003-09-16 - 2003-09-18, University of Nottingham.

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Abstract

Multiply-stiffened, thin plate, welded fabrications are used in a wide variety of transport fields, however the resulting out-of-plane distortion associated with welding exacts a severe design penalty. Depending on the information required, the size of the structure under investigation and the computer power at hand, three computational strategies may be considered to predict welding distortion. If prediction of the localized residual stresses from welding is of major importance, then a full transient, uncoupled thermo-elastoplastic analysis is preferred.