Structure and tribocorrosion properties of duplex treatment coatings of TiSiCN/nitride on Ti6Al4V alloy
Structure and tribocorrosion properties of duplex treatment coatings of TiSiCN/nitride on Ti6Al4V alloy
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Ti6Al4V合金TiSiCN/氮化物双重处理涂层的结构和摩擦腐蚀性能
DOI：
10.1016/j.ceramint.2019.03.180
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发表时间：
2019-06-15
影响因子：
5.2
通讯作者：
Li, Jinlong
中科院分区：
文献类型：
--
作者：
Dong, Minpeng;Zhu, Yebiao;Li, Jinlong
为了满足恶劣海洋服役环境的性能要求，研制具有优良耐摩擦腐蚀性能的涂料是必要的。本文采用气体氮化和多弧离子镀方法制备了TiSiCN/氮化物复合处理涂层。氮化处理提高了硬度和密度。与TiSiCN涂层相比，双相处理涂层具有更优异的机械性能，具有最大硬度值（33 GPa）和优异的承载能力（88 N）。同时，磨损对腐蚀的影响是显著的，腐蚀的作用决定了摩擦腐蚀系统的总体协同程度。此外，由于TiSiCN层具有良好的耐海水腐蚀性能和石墨化作用，复合处理涂层在摩擦腐蚀试验中的摩擦系数大大降低。
To meet the performance requirements in harsh marine service environment, developing coatings with excellent trbibocorrosion performance is necessary. Herein, TiSiCN/nitride duplex treatment coatings are prepared by gas nitriding and multi-arc ion plating in turn in this work. The hardness and density are enhanced by nitriding treatment. Duplex treatment coatings exhibit more excellent mechanical properties possessing the maximum hardness values (33 GPa) and exceptional load bearing capacity (88 N) compared to TiSiCN coating. Meanwhile, the effect of wear on corrosion is significant and the action of corrosion determines the total degree of synergy in tribocorrosion system. Furthermore, the friction coefficient is greatly reduced through duplex treatment coatings during tribocorrosion test due to the good resistance to the seawater and the graphitization effect produced by TiSiCN layer.