The purpose of this paper is to show that in elastoplastic materials cracks can grow only in an intermittent way. This result is rigorously proved in the framework of a simplified model.

中文翻译：

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弹塑性材料的干裂裂纹扩展

本文的目的是表明，在弹塑性材料中，裂纹只能以间歇方式生长。在简化模型的框架中严格证明了这一结果。