动态载荷下脆性材料破碎的概率方法

Christophe Denoual , Gilles Barbier , François Hild
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引用次数: 21

摘要

动载荷产生高应力波,导致脆性材料(如陶瓷)破碎。碎片数量随应力速率变化的主要机制是一种模糊现象。提出了一种概率方法,推导了成核缺陷数量的演化规律和损伤模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A probabilistic approach for fragmentation of brittle materials under dynamic loading

Dynamic loadings produce high stress waves leading to the fragmentation of brittle materials such as ceramics. The main mechanism used to explain the change of the number of fragments with stress rate is an obscuration phenomenon. After the presentation of a probabilistic approach, the evolution of the number of nucleated flaws and a damage model are derived.

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