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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology >Influence of counterbody material on fretting wear behaviour of uncoated and diamond-like carbon-coated Ti-6Al-4V
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Influence of counterbody material on fretting wear behaviour of uncoated and diamond-like carbon-coated Ti-6Al-4V

机译：配体材料对未涂层和类金刚石碳涂层Ti-6Al-4V微动磨损行为的影响

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摘要

Fretting wear tests were carried out at different normal loads on uncoated and diamond-like carbon (DLC)-coated Ti-6Al-4V samples against two counterbody materials: alumina and ultra high molecular weight polyethylene (UHMWPE). Tangential force coefficient (TFC) values obtained with alumina counterbody were much higher than those obtained with UHMWPE. A significant reduction in TFC was noticed in DLC-coated samples compared with uncoated specimens when tested against alumina counterbody at normal loads of 1.96 and 9.8 N. There was not much difference between TFC values of DLC-coated and uncoated specimens when tested against UHMWPE counterbody. DLC-coating reduced specific wear rate significantly at 1.96 N when the sample was tested against alumina counterbody. However, at higher loads, both uncoated and DLC-coated samples exhibited similar specific wear rates. As initial maximum contact pressure was relatively very low, no fretting scar was observed both in uncoated and DLC-coated samples tested against UHMWPE counterbody.
机译：在未涂覆和类金刚石碳（DLC）涂覆的Ti-6Al-4V样品上，以两种正常材料在不同的法向载荷下对铝和超高分子量聚乙烯（UHMWPE）进行微动磨损试验。用氧化铝配体获得的切向力系数（TFC）值远高于用UHMWPE获得的。在正常负载为1.96和9.8 N的情况下，用氧化铝对装体进行测试时，与未涂层的样品相比，DLC涂层的样品中的TFC显着降低。 。当样品针对氧化铝配体进行测试时，DLC涂层在1.96 N时显着降低了比磨损率。但是，在较高的载荷下，未涂层和DLC涂层的样品均表现出相似的比磨损率。由于初始最大接触压力相对较低，因此在针对UHMWPE配体测试的未涂层样品和DLC涂层样品中均未观察到微动疤痕。

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