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利用低温等离子体辉光放电技术对AISI 201奥氏体不锈钢进行低温离子渗碳(DCPC)处理,处理后的不锈钢表面可以形成一层无碳化铬析出的碳的过饱和固溶体(SC相)。由于渗入钢中的过饱和碳原子引起奥氏体晶格发生畸变,结果使渗层的硬度和耐蚀性都有较大幅度的提高。
Low-temperature plasma carburizing (DCPC) treatment of AISI 201 austenitic stainless steel was carried out by using low-temperature plasma glow discharge technique. The treated stainless steel surface could form a supersaturated solid solution (SC phase) of carbon without chromium carbide precipitation. The infiltration of steel in the supersaturated carbon atoms cause distortion of the austenite lattice, the result of the hardness and corrosion resistance of the layer have a more substantial increase.