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Research on Wear Characteristics and Road Running Test of Timing Bushing Chains for Automotive Engine
Author(s): 
Pages: 72-74
Year: Issue:  2
Journal: LUBRICATION ENGINEERING

Keyword:  正时套筒链道路试验磨损机制表面形貌循环软化微动磨损;
Abstract: 通过道路试验研究,分析了汽车正时套筒链的磨损机制及销轴和套筒的磨损表面形貌.结果表明:在压力喷油润滑条件下汽车正时套筒链的磨损机制是以疲劳磨损为主,并伴有磨粒磨损;摩擦热导致位错密度下降是销轴和套筒摩擦表面循环软化的主要原因;随着道路试验里程的增加,由于微动磨损的不断加剧,其销轴与外链板孔、套筒与内链板孔的联结牢固度在逐渐降低.
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