Plasma surface metallurgy multi-tracks lap coating was formed on low carbon steel with Fe-Cr-C-Si-B alloy powders by feeding DC-Plasma-Jet surface metallurgical equipment,and the lap rate of surface metallurgical zone is 50%.

• 利用送粉式DC-Plasma-Jet表面冶金设备,在低碳钢表面进行Fe-Cr-C-Si-B合金粉末等离子束表面冶金多道搭接试验,表面冶金带搭接率为50%25。