Adhesion and multipass scratch characterization of Ti:Ta-DLC composite coatings
Adhesion and multipass scratch characterization of Ti:Ta-DLC composite coatings
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DOI：
10.1016/j.diamond.2018.02.002
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发表时间：
2018-03-01
影响因子：
4.1
通讯作者：
Efeoglu, Ihsan
中科院分区：
文献类型：
--
作者：
Cicek, Hikmet;Keles, Aysenur;Efeoglu, Ihsan
类金刚石（diamond like carbon，DLC）涂层由于其优异的机械性能和摩擦学性能、良好的化学惰性和高的耐腐蚀性而成为研究最多的涂层之一，因此在工业应用中得到了广泛的应用。然而，低附着力和低抗疲劳性是该涂层的缺点。在本研究中，我们在Ti6Al4V和M2基体上沉积了Ti：Ta掺杂DLC梯度复合涂层，并对涂层的附着力和多道划痕行为进行了表征。采用SEM、EDAX和XRD等测试手段对样品的结构进行了表征。通过划痕试验获得了附着力和疲劳样行为。结果表明，靶电流、涂层和基体的硬度对涂层的临界载荷和抗疲劳性能均有影响。
DLC (diamond like carbon) is one of the most studied coatings due to its excellent mechanical and tribological properties, desirable chemical inertness and high corrosion resistance hence it has been widely used in industrial applications for a long time. However, low adhesion and low fatigue resistance are disadvantages of this coating. In this study, we deposited Ti:Ta doped DLC graded-composite coatings on Ti6Al4V and M2 substrates and adhesion and multipass scratch behaviors were characterized. SEM, EDAX and XRD were used to determine the structural properties. Adhesion and fatigue-like behaviors were obtained by scratch tests. The results showed that the critical loads and fatigue resistance of the coatings were affected by the target currents and the hardness of the coatings and substrate.