Abstract
The path independent M-integral is applied to computation of the T-stress for interface cracks between dissimilar materials. The unique relation between the M-integral and T-stress is found for a properly selected auxiliary solution. The problem of a semi-infinite interface crack between dissimilar materials loaded by a point force applied to the crack tip in a direction parallel to the interface suits such an auxiliary solution. A new subregion boundary element method is applied to solve the given bimaterial interface crack problem. Numerical results for centre-cracked plate, single-edged notch and double-edged notch specimens are included.
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