Comments on spread of plasticity from edge crack close to interface of dissimilar metal joint
Authors: Wu, S.J.; Knott, J.F.
Source: Science and Technology of Welding & Joining, Volume 6, Number 5, October 2001 , pp. 315-322(8)
Publisher: Maney Publishing
Abstract:The situation encountered by a crack in a dissimilar metal joint is analysed using a weight function method applied to a Dugdale crack model. The stress intensity factor at an effective crack tip located in the vicinity of the interface can be calculated from the weight function for a constant pressure load system, based on the principle of elastic stress superposition. The effects on the stress intensity factor and the crack tip opening displacement of a hard transitional zone, which is developed near the interface, are discussed.
Document Type: Regular Paper
Affiliations: The School of Metallurgy and Materials, University of Birmingham, Birmingham, B15 2TT, UK. firstname.lastname@example.org
Publication date: 2001-10-01
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