将纯Fe粉在Ti6Al4V合金表面进行激光熔覆.通过扫描电镜、X射线衍射、热力学计算和显微硬度测定,可以看出熔覆层中含有大量的树枝晶、块状组织和针状组织;TiO、Fe2C、V5Al3C0.6,LAVES等相弥散分布在激光熔覆层中,提高了熔覆层的硬度.粗大的树枝晶使熔覆层相应部位的硬度偏低.
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