ARTICLE
A Griffith crack model in a generalized nonhomogeneous interlayer of bonded dissimilar half-planes
1
Piezoelectric Device Laboratory, School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, China
2
School of Engineering, Design and Built Environment, Western Sydney University, Penrith, Australia
Submission date: 2023-02-01
Final revision date: 2023-05-03
Acceptance date: 2023-05-12
Online publication date: 2023-06-11
Publication date: 2023-07-31
Corresponding author
Journal of Theoretical and Applied Mechanics 2023;61(3):495-507
KEYWORDS
TOPICS
ABSTRACT
The Griffith crack problem in bonded dissimilar half-planes is examined. To eliminate the
unrealistic oscillatory stress near the interface crack tips, the interfacial transition zone is
modeled by a very thin nonhomogeneous interlayer whose elastic properties vary contin-
uously between the bonded materials and adhesive material. The interlayer thickness is
assumed to be the sum of the maximum heights of asperities at the two bonded material
surfaces. The crack problem is reduced to a set of Cauchy integral equations which can be
solved numerically. The applicability of the generalized nonhomogeneous interlayer model is
investigated by comparing it with the classical interface crack model.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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