Friction and wear are prombles in the direct contact seal.
摩擦和磨损是接触型动密封中存在的问题。
参考来源 - NdFeB磁性丁腈橡胶复合材料的性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
本文讨论了性能上的变化，特别是在改进耐摩擦性和大量减少磨损时的性能变化，这种改进是通过在PA66中添加芳胺纤维达到的。
This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
研究了金属基体及其中镍铬合金的含量对复合材料的硬度、摩擦系数和磨损率的影响。
The effects of metal base content and NiCr alloy addition on hardness, friction coefficient and wear rate of the composites were studied.
研究表明，随著石墨含量的增加，摩擦系数和磨损量减小。
The results show that the friction coefficient and wear rate decrease with the increase of the graphite content.
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