| AISI 201奥氏体不锈钢低温离子渗碳 |
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| 引用本文： | 赵程,王宇.AISI 201奥氏体不锈钢低温离子渗碳[J].金属热处理,2012,37(5):95-97. |
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| 作者姓名： | 赵程 王宇 |
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| 作者单位： | 青岛科技大学机电工程学院表面技术研究所,山东青岛,266061 |
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| 基金项目： | 山东省自然科学基金项目 |
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| 摘 要： | 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。
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| 关 键 词： | AISI201奥氏体不锈钢 低温离子渗碳 S相 硬度 耐蚀性 |
Plasma carburizing of AISI 201 austenitic stainless steel at low temperature |
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| ZHAO Cheng,WANG Yu.Plasma carburizing of AISI 201 austenitic stainless steel at low temperature[J].Heat Treatment of Metals,2012,37(5):95-97. |
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| Authors: | ZHAO Cheng WANG Yu |
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| Affiliation: | (Surface Engineering Laboratory,College of Electromechanical Engineering,Qingdao University of Science and Technology,Qingdao Shandong 266061,China) |
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| Abstract: | The hardening process of AISI 201 austenitic stainless steel was carried out using plasma carburizing process at low temperature by means of the direct current plasma carburizing technology(DCPC).The results show that a carbon supersaturated solid solution(i.e.the SC phase) layer is formed on the steel surface without precipitation of chromium carbide.It is found that the super saturation of the alloying element C in the austenitic lattice and the precipitation-free layer on austenitic stainless steel(i.e.the S phase) can enhance the layer’s hardness and corrosion resistance. |
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| Keywords: | AISI 201 anstenitic stainless steel plasma carburizing at low temperature S phase hardness corrosion resistance |
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