Calculation of elastic T-stresses near interface crack tip under in-plane and anti-plane loading

The relations between the J-based mutual integral and the T-stress are derived for in-plane and anti-plane problems, respectively. The mutual integral is shown to be evaluated without solving the boundary value problems. The T-stress, a useful parameter for crack stability, is thus obtained easily b...

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Bibliographic Details
Published in:International journal of fracture 1998-01, Vol.91 (2), p.179-195
Main Authors: MOON, H. J, EARMME, Y. Y
Format: Article
Language:English
Subjects:
Boundary value problems
Crack tips
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fracture mechanics, fatigue and cracks
Fundamental areas of phenomenology (including applications)
Integrals
Interfacial cracks
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:The relations between the J-based mutual integral and the T-stress are derived for in-plane and anti-plane problems, respectively. The mutual integral is shown to be evaluated without solving the boundary value problems. The T-stress, a useful parameter for crack stability, is thus obtained easily by a suitable application of the concept of the conservation integral. As an example to show this, the fundamental interface crack problems for an infinite dissimilar solid and two infinite strips are presented.
ISSN:0376-9429
1573-2673
DOI:10.1023/A:1007457720550