氩弧熔覆TiB/FeB增强Fe基复合涂层组织与性能研究
The investigation on the microstructure and properties of TiB/FeB reinforced Fe matrix composites coating by argon arc cladding
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摘要: 以Fe粉、Ti粉和B粉为原料,利用氩弧熔覆技术在Q235钢基材表面制备出TiB/FeB增强Fe基复合涂层,应用SEM和XRD方法分析了涂层的显微组织.并测试了涂层的硬度和耐磨性.结果分析表明:在Q235钢表面成功制备了以α-Fe为基体,以TiB/FeB颗粒为增强相的复合涂层.性能分析结果表明:涂层的显微硬度可达1 100HV,涂层耐磨性较基体提高近12倍.复合涂层的磨损机理为显微擦伤式磨损.