Abstract
A cohesive zone type interface model, taking full account of finite geometry changes, is used to study the decohesion of a viscoplastic block from a rigid substrate. The specific boundary value problem analyzed is a plane strain one with the imposed loading corresponding to overall uniaxial straining. The imperfection takes the form of a non-bonded portion of the interface. Dimensional considerations introduce a characteristic length into the formulation and the decohesion mode shifts from more or less uniform separation along the bond line to crack-like propagation as the ratio of block size to characteristic length increases. Field distributions prior to and accompanying propagation are displayed.
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© 1990 Springer Science+Business Media Dordrecht
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Needleman, A. (1990). An analysis of decohesion along an imperfect interface. In: Knauss, W.G., Rosakis, A.J. (eds) Non-Linear Fracture. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2444-9_2
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DOI: https://doi.org/10.1007/978-94-017-2444-9_2
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-4064-0
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