Damage - blunting mechanism on crack tip and damage crack model about polymers

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Xiangtan Daxue Ziran Kexue Xuebao | / 2卷 / 30-33期
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In this paper, the basic physical characteristics of the damage - blunting mechanism on the crack tip about polymers are described on the basis of the constant observation to the process of the crack propagation under the SEM. The damage evolution in the visco - plastic zone on the crack tip is deduced and the damage crack model about polymers is constructed.
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