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首页> 外文期刊>Engineering failure analysis >Wear mechanism of clutch separating ring in a heavy Load vehicle
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Wear mechanism of clutch separating ring in a heavy Load vehicle

机译：重型车辆离合器分离环的磨损机理

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摘要

The separating rings of a clutch in a heavy load vehicle are frequently replaced after a certain service period due to wear. However, the wear mechanism of the separating rings has not been well studied. In the present study, a worn separating ring is examined with scanning electron microscope, the metallographic structures are observed and the micro-hardness is measured. Results showed that the hardness of the slot surface is relatively low because the surface layer is mainly composed of austenite but not the preferred martensite; under the action of impact forces generated during the separation process of the ring, plastic furrows and pits are produced on the slot surface by particle abrasion. Based on these results, it is concluded that the wear failure of the separating ring is mainly caused by particle abrasion
机译：重载车辆中离合器的分离环由于磨损会在一定的使用时间后频繁更换。然而，分离环的磨损机理尚未得到很好的研究。在本研究中，磨损的隔离环用扫描电子显微镜检查，观察金相结构并测量显微硬度。结果表明，由于表面层主要由奥氏体组成而不是优选的马氏体组成，因此槽缝表面的硬度较低。在环分离过程中产生的冲击力的作用下，缝隙表面由于颗粒磨损而产生塑料沟槽和凹坑。根据这些结果，可以得出结论，分离环的磨损故障主要是由颗粒磨损引起的。

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