A new fast hot pressing (FHP) sintering method was used to prepare MoNiB–Ni cermet coating to solve the problems of small scale and high energy consumption in the production. The synthetic phase and microstructure of the MoNiB–Ni cermet coating were studied, and friction and wear as well as electrochemical corrosion performance were also tested. The results indicated that the MoNiB–Ni cermet coating was composed of two phases, the MoNiB hard phase and the Ni metal-bonded phase. A metallurgical bond interface resembling interlocking teeth was formed between the MoNiB–Ni cermet coating and the stainless steel substrate, thereby enhancing the bonding strength of the interface. Compared with the MoFeB–Fe cermet coating, the MoNiB–Ni cermet coating had certain wear resistance and excellent corrosion resistance. The high hardness of the MoNiB hard phase, the low mutual solubility between the Ni metal-bonded phase and the SiN balls, and the generated mechanical mixing layer reduced the friction coefficient and the adhesive wear, which improved the wear resistance. The higher open circuit potential and the formation of the passivation film during the corrosion process enhanced the corrosion resistance of the MoNiB–Ni cermet coating.

中文翻译：

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快速热压烧结制备新型耐磨耐腐蚀Mo2NiB2-Ni金属陶瓷涂层

采用新型快速热压（FHP）烧结方法制备MoNiB-Ni金属陶瓷涂层，解决了生产规模小、能耗高的问题。研究了MoNiB-Ni金属陶瓷涂层的合成相和微观结构，并测试了摩擦磨损和电化学腐蚀性能。结果表明，MoNiB-Ni金属陶瓷涂层由两相组成，MoNiB硬质相和Ni金属结合相。 MoNiB-Ni金属陶瓷涂层与不锈钢基体之间形成了类似咬合齿的冶金结合界面，从而增强了界面的结合强度。与MoFeB-Fe金属陶瓷涂层相比，MoNiB-Ni金属陶瓷涂层具有一定的耐磨性和优异的耐腐蚀性。 MoNiB硬质相的高硬度、Ni金属结合相与SiN球之间的低互溶性以及生成的机械混合层降低了摩擦系数和粘着磨损，从而提高了耐磨性。较高的开路电位和腐蚀过程中钝化膜的形成增强了MoNiB-Ni金属陶瓷涂层的耐腐蚀性能。