
Research and Applications in Structural Engineering, Mechanics and Computation – Zingoni (Ed.)
© 2013 Taylor & Francis Group, London, ISBN 978-1-138-00061-2
Microstructural image-based modelling of weld failure
O. Barrera & A.C.F. Cocks
Department of Engineering Science, University of Oxford, UK
E. Tarleton
Department of Materials, University of Oxford, UK
ABSTRACT: This paper deals with the constitutive modelling of one of the phenomena affecting welding fail-
ure:hydrogen embrittlement (HE).The focus ofthe HE model is on dissimilar weldinterfaces inAISI8630/IN625.
Fractography shows that cracks propagate in a carbides (M
7
C
3
)-rich region called the ...