ON THE CIRCUMFERENTIAL STRAIN FACTOR CRITERION OF MIXED MODE BRITTLE FRACTURE

Abstract

Abstract: In this paper, the criteria of mixed mode brittle fracture are'carefully examined. It has been shown that, the circumferential strain factor criterion is rational and safe.With the exception of opening mode, mixed mode plane strain fracture of comparatively ductile materials(metals), in general, does not follow the theory of linear elastic fracture mechanics.Like the stress intensity factor that which is concerned is playing an important role in pure opening mode crack problems. We believe that, in mixed mode crack problems, the circumferential strain factor will become a parameter to determine the rate of fatigue crack propagation per cycle, and of stress corrosion cracking per unit time.

Key words: interface layer, cohesive layer, anti-plane shear, shear beam model, failure, instability, damage

Fan Wei-xun. ON THE CIRCUMFERENTIAL STRAIN FACTOR CRITERION OF MIXED MODE BRITTLE FRACTURE. Applied Mathematics and Mechanics (English Edition), 1982, 3(2): 233-253.

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References

First published in Nanking Aeronautical Institute Report of Science and Technology,No.680,Jan.,1980(in Chinese)
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