摘要
对铁基高铬耐磨合金激光熔覆层和堆焊层的表面成形性、显微组织、硬度、磨损性能、磨损形貌等进行了对比分析。结果表明:激光熔覆层比堆焊层的表面成形好,试样变形小,显微组织均匀细小,稀释率小,平均显微硬度高300 HV左右;回火后耐磨性好,相同条件下磨损质量小50%以上。
The surface molding microstructure,wear resistance and morphology of wear-surface of two sorts of iron-based high chromium wear-resistant alloys,which were made by laser cladding and overlay joint respectively,were analyzed and compared.It is showed that the surface image is smooth,the distortion of samples is small,the microstructure is homogeneous and fine and the dilution rate is smaller by laser cladding than by overlay joint.The micro-hardness of laser cladding is averagely 300 HV higher than that of o...
出处
《机械工程材料》
CAS
CSCD
北大核心
2008年第1期59-62,共4页
Materials For Mechanical Engineering
关键词
激光熔覆
堆焊
铁基高铬合金
laser cladding
overlay joint
iron-based high chromium alloy
