基于实验探讨了液-固二相流体润滑状态下缸套-活塞环的擦伤特性.实验是在一个自制的缸套-活塞环摩擦磨损实验台上进行.在实验中,采用两种固体添加颗粒,一种是纳米金刚石粉,另一种是微米级MoS2粉末.颗粒添加量分别是0%,0.02%和0.1%.实验中,试件所处的环境温度分别是30℃和75℃.试验结果表明,含有纳米颗粒的二相流体增加了擦伤载荷,含有微米M0S2的二相流体降低了擦伤载荷.在实验中作者还测量了缸套的本体温度,表明二相流体对摩擦副的温度特性有比较明显的影响,但环境温度对发生擦伤时的缸套本体温度影响不明显,发生擦伤时的表面本体温度均在200℃至250℃之间.
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