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材料本身的性质（包括两种对摩的材料）
时间：2022-01-08 16:27
关键词：
摩擦学
物理学
大学试题
理学
答案解析
<p> 对于一般材料，摩擦力随硬度的增加而减小，因硬金属的塑性变形的能力减小，其粘着能力也随之减小。相同金属或互溶性大的金属摩擦副易发生粘着，因而其摩擦系数较大。</p>
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