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决定了平塑压L_4铝和T_2铜圆柱体时的两类平均摩擦系数(即平均单位摩擦力与平均单位压力,或与真实变形抗力的比值)。研究了它们与其它因素(例如,金属偶、接触表面的粗糙度、变形区的几何形状和尺寸、变形程度等)的关系。金属压力加工时摩擦的机制主要是接触表面的压力焊接和耕犁。平均单位摩擦力基本上取决于切断压力焊接桥和克服耕犁阻力。根据这个机制说明了上述关系。
The two types of average friction coefficient (ie, the average unit friction and average unit pressure, or the ratio of the actual deformation resistance) of the flat plastic L4 aluminum and T2 copper cylinder were determined. Their relationship to other factors (eg, metal couples, roughness of the contact surfaces, geometry and dimensions of the deformed zones, degree of deformation, etc.) was studied. The mechanism of friction during metal pressure processing is mainly the pressure welding and plow on the contact surface. The average unit friction basically depends on cutting pressure on the welded bridge and overcoming the plow drag. According to this mechanism illustrates the above relationship.