镁合金表面MoS2/树脂杂化涂层的制备及其摩擦磨损和电化学性能研究

以水作为分散介质，制备了含丙烯酸树脂和MoS2颗粒的分散液，以阳极氧化为前处理，采用电化学共沉积法在镁合金表面制备了MoS2/树脂杂化涂层；采用MR 060型多功能摩擦磨损试验机考察涂层的摩擦磨损性能，并分析其磨损机制；采用PARSTAT2273型电化学工作站测试涂层的电化学阻抗谱及极化曲线；利用扫描电子显微镜和能谱仪分析涂层的表面形貌及结构.结果表明：所制备的涂层厚度高达50 μm，在质量分数为3.5%的NaCl溶液中表现出优异的耐腐蚀性能；MoS2的加入，能够有效降低涂层的摩擦系数，提高其耐磨性.

Preparation and Tribological and Electrochemical Properties of MoS2/Resin Hybrid Coating on Magnesium Alloy

With water as dispersion medium, MoS2/resin hybrid coatings were prepared by electrochemical deposition on the magnesium alloy. Friction and wear properties of the film were investigated using MR-060 multifunctional friction and wear testing machine. The electrochemical performance of the coating was evaluated by PARSTAT2273 electrochemical workstation and surface morphologies were analyzed using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The results show that the thickness of the film is up to 50 μm. MoS2 particles disperse pretty well in the matrix of resin and the MoS2/resin hybrid coating has very good corrosion resistance and wear resistance. It is a rather effective film with very good prospects for magnesium alloy.