总粘度变化，热油和滑动速度(剪切石油分子)。
The total viscosity of the oil changes with heat and sliding speed (shearing of oil molecules).
本文综述了近年来国内外学者在高分子材料磨损方面的研究工作，着重阐述了滑动磨损、磨粒磨损、冲蚀磨损的研究进展。
In this paper, the research works on the wear of polymers are reviewed, mainly in the aspects of sliding wear, abrasive wear and erosive wear.
链间的相互作用：聚合物的分子链可以自由地彼此滑动(热可塑性)或通过交键互相连接(热固性或弹性)。
Interchain interactions. The polymer chains can be free to slide past one another (thermo-plastic) or they can be connected to each other with crosslinks (thermoset or elastomer).
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