The microstructure,surface hardness,hardness distribute of Nickel-based self-fluxing alloy powder(GFNi01,GFNi02,GFNi03) Oxy-acetylene flame spray-weld layer through are studied under SEM,EDS etc.

• 通过SEM、EDS等手段；研究了GFN i01、GFN i02、GFN i03三种镍基自熔性合金粉末氧乙炔火焰喷焊层的组织、表面硬度及喷焊层的维氏硬度分布.