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本研究采用了能表徽模具实际工况的冲击磨损试验方法，并且首次提出和使用了冲击粘着磨损试验方法。研究的主要内容包括：①系统地研究了各类冷作模具磨损机理的变异规律及影响耐磨性的因素；②模具渗氮前的预处理及渗氮层的形成规律；③。相及其分布形态对模具钢渗氮层耐磨性
In this study, we used the impact wear test method that can be used to test the actual working conditions of the die, and first proposed and used the impact adhesion wear test method. The main contents of the study include: ① systematically studied the variation rules of various types of cold die wear mechanism and factors that affect the wear resistance; ② pre-nitriding mold pre-treatment and nitriding layer formation rules; Phase and its distribution of mold steel nitriding layer wear resistance