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Tribological behavior of Mn-23Cu-6Ni alloy during rubbing against softer ASTM A36 steel under dry and lubricated conditions
Tribology International ( IF 6.1 ) Pub Date : 2021-05-05 , DOI: 10.1016/j.triboint.2021.107068
Wenlong Wang , Qingjian Liu , Daquan Li , Lei Jin , Huaping Xiao

To better understand the properties of Mn-23Cu-6Ni alloy, its tribological behavior and wear mechanism were investigated under various conditions, including dry sliding, polyalphaolefin (PAO) lubrication, and PAO lubrication with molybdenum disulfide (MoS2) additive. The experimental results showed high friction and severe wear when exposed to dry sliding while the running-in process denoted contact under PAO lubrication. MoS2 nanosheets improved the friction reduction and anti-wear performance of PAO and suppressed the running-in process, rendering the sliding system stable from the beginning. The wear mechanism of the Mn-23Cu-6Ni alloy changed from adhesive wear in dry conditions to abrasive wear when exposed to PAO lubrication with MoS2 nanosheets.



中文翻译:

Mn-23Cu-6Ni合金在干燥和润滑条件下与较软的ASTM A36钢摩擦时的摩擦学行为

为了更好地理解Mn-23Cu-6Ni合金的性能,研究了其在各种条件下的摩擦学行为和磨损机理,包括干式滑动,聚α-烯烃(PAO)润滑和含二硫化钼(MoS 2)添加剂的PAO润滑。实验结果表明,当暴露于干滑下时,高摩擦力和严重磨损,而磨合过程表示在PAO润滑下接触。MoS 2纳米片改善了PAO的减摩和抗磨性能,并抑制了磨合过程,使滑动系统从一开始就稳定。Mn-23Cu-6Ni合金的磨损机理从干燥条件下的粘合剂磨损变为暴露于MoS 2纳米片的PAO润滑时的磨料磨损。

更新日期:2021-05-22
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