Numerical Analysis Of BI-material Interface Notch Crack Behaviour
Author(s)
B. Bachir Bouiadjra, M. Belhouari, M. Benguediab & B. Serier
Abstract
Numerical analysis of bi-material interface
notch crack behaviour
B.Bachir Bouiadjra, M.Belhouari, M.Benguediab & B.Serier
L.E.C.M, Departement of Mechanical Engineering, University ofSidi
Abstract
The finite element method is extended to the analysis of the behaviour of an
interface crack in bi-material specimen with a central hole. First, only the notch
effect is considered , the field of stress and variation of the stress concentration
factor as a function of the Young's modulus ratio are determined. Secondly, the
notch interface crack behaviour is investigated, the variations of the stress
intensity factor versus the Young's modulus ratio and crack length are shown as
well as the distribution of stresses in the plate and along the interface.
1 Introduction
Fracture along an interface between phases plays a major role in limiting the
toughness and ductility of multi-phase materials [1]. The fracture of bi-materials
have a singular behaviour due to the difference between elastic p
Keywords
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