切削过程中金属层流过剪切区发生塑性变形后形成切屑。
During metal cutting, the metal plastic deformation occurred on shearing plane zone.
根据计算的应变结果，提出了一种定义剪切区形状的方法。
A new method is therefore proposed defining the shape of shear zone in accordance to the results of strain.
目的研究空间局部高剪切区中小尺度扰动随机化的物理机制。
Aim To investigate the physical mechanisms of randomization of the small scale disturbances in local high shear regions in shear flows.
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