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综述了有关金属切削过程中热塑剪切失稳的研究。讨论了热塑剪切失稳临界切削条件,热塑剪切失稳判据,热塑剪切带的特点以及由于热塑剪切失稳引起的锯齿形切屑形成。
The research on thermoplastic shear instability in metal cutting is reviewed. The critical cutting conditions of thermoplastic shear instability, the criterion of thermoplastic shear instability, the characteristics of the thermoplastic shear band and the sawtooth-shaped chip formation due to the thermoplastic shear instability are discussed.