在Ti-5621s合金表面采用激光熔覆制备了镍-铬-硅复合涂层,分析了涂层的显微组织,测试了涂层的硬度和摩擦学性能.结果表明:复合涂层中以Ti5Si3和Cr3Si为主的颗粒增强相弥散分布在β-Ti和γ-Ni两相固溶体中;涂层的硬度较基体有显著的提高;由于金属硅化物Ti5Si3和Cr3Si的高硬度、强原子间结合力,该复合涂层明显地改善了基体合金的摩擦和磨损性能.

所属栏目

材料性能及其应用大连市科研基金资助项目(2006A10GX063)

收稿日期

2007/8/242007/11/21

作者单位

张维平:大连理工大学材料科学与工程学院, 辽宁 大连 116023
刘中华:大连理工大学材料科学与工程学院, 辽宁 大连 116023
邹龙江:大连理工大学材料科学与工程学院, 辽宁 大连 116023

备注

张维平(1964-),男,江苏溧阳人,副教授,博士.

引用该论文:

ZHANG Wei-ping,LIU Zhong-hua,ZOU Long-jiang.Microstructure and Tribological Property of Laser Cladding Ni-Cr-Si Composite Coatings on Titanium Alloy[J].Materials for mechancial engineering,2008,32(7):52～55
张维平,刘中华,邹龙江.钛合金表面激光熔覆镍-铬-硅复合涂层的显微组织和摩擦学性能[J].机械工程材料,2008,32(7):52～55

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