中文摘要：

利用电弧喷涂技术在45钢基体表面制备了FeCrAI／Ni95AI复合涂层，先喷涂Ni95AI打底层增强涂层的结合强度，FeC，AI涂层作为工作层。、利用扫描电镜（SEM）、能谱仪（EDS）、X射线衍射仪、拉伸试验机、显微硬度计和CETR微动摩擦磨损试验机研究了涂层的显微组织、力学性能及摩擦磨损性能。结果表明，复合涂层组织均匀致密，主要南Fe，AI金属间化合物、（Fe，Cr）固溶在涂层培体中。涂层结合强度为43MPa，硬度值为530HV0．1，涂层磨损失效形式为剥落和氧化磨损。

英文摘要：

The FeCrAI/Ni95 A1 composition coating was deposited on substrate 45 carbon steel by high velocity arc spraying technology. The FeCrAI coating was sprayed as the working coating. The Ni95AI coating was used as the interlayer for improving the adhesive strength of the composite coating. The microstructure, adhesive strength, micro-hardness and wear resistance of the composite coating were studied by SEM, EDS, X-ray diffract meter, tension test machine, micro-hardness tester and CETR friction tester respectively. The results show that the composite coating is dense and mainly consists of α-Fe, Fe3A1 and （ Fe, Cr）. The adhesive strength and micro-hardness of the coating is 43 MPa and 530 HVO. I respectively. The wear mechanism of the coating is scaling and oxidizing wear.