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本文根据断裂力学理论,利用有限元法计算了刃削区的应力分布,并求出了裂纹的扩展路线。计算分析结果与实验基本相符,这些分析结果加深了对陶瓷材料切屑形成机理的认识。
According to the theory of fracture mechanics, the finite element method is used to calculate the stress distribution in the cutting zone and the crack propagation route is obtained. The calculated results are basically in agreement with the experiments. These analysis results deepen the understanding of the formation mechanism of ceramic chips.