Higher order asymptotic solution of mode I crack growth in elastic-perfectly plastic media |
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| Authors: | Zhang Lin Hwang Kehchih |
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| Institution: | (1) Dept. of Eng. Mechanics, Tsinghua University, 100084 Beijing, China |
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| Abstract: | A higher order asymptotic solution of near-tip field is studied for plane-atrain Mode-I quasi-static steady crack growth in
the incompressible (v=1/2) elastic perfectly-plastic media. The results show that the near-tip stress and strain are fully continuous, and the
strain possesses In (A/r) singularity at the crack tip. The expressions of the stress, strain and velocity in each region are also given.
The project supported by National Natural Science Foundation of China |
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| Keywords: | growing crack higher order asymptotic solution near-tip field |
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