In this paper, the wear resistance of electrodeposit TiC ceramic coating containing La_2O_3 on steel 45 substrate was studied, and the influence of La_2O_3 on wear resistance of ceramic coating was analyzed.

• 本论文试验研究了含稀土氧化镧(La_2O_3)的碳化钛电沉积金属陶瓷涂层的耐磨性能及稀土对沉积涂层的耐磨性能的影响，并探讨了稀土的改性机理。 本文还分析了电火花沉积的工艺特性，从涂层材料设计，电极制作及电沉积加工工艺参数的选择入手，采取了防止涂层开裂及脱落的措施。