采用氧-乙炔火焰喷熔工艺在45号钢表面喷覆两相流抗磨蚀合金(NiCrWCe)喷熔层,用扫描电子显微镜和X射线衍射仪分析了这种喷熔层的显微组织结构、物相组成和性能,并对喷熔层的耐磨性进行了试验研究.结果表明:两相流抗磨蚀合金喷熔层与基体形成了牢固的冶金结合,结合层中含有较高比例的硬质相;稀土可显著提高喷熔层的耐磨性;在试验条件下,两相流抗磨蚀合金喷熔层的耐磨性明显高于ZGCr5Mo及Cr18Ni12Mo2Ti合金.
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