Analysis of Valence Electron Structure in Compound Layer of Steel 42CrMo Plasma Nitrided with Rare Earth Addition
来源期刊：材料热处理学报2004年第5期
论文作者：LIU Zhan-hong WU Kun DAI Ya-nan YAN Mu-fu
关键词：42CrMo steel; rare earth; plasma nitriding; compound layer; valence electron structure;
摘 要：The valence electron structure (VES) in compound layer of steel plasma-nitrided at 560℃ with rare earth (RE)addition was calculated based on the empirical electron theory (EET) of solids and molecules and BLD method. The results show that the presence of RE atoms diffused into surface layer leads to an increase of phase structure factor, which explains the catalyzing and micro-alloying effects of RE.
LIU Zhan-hong1，WU Kun1，DAI Ya-nan1，YAN Mu-fu1
(1.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, China)
摘要:The valence electron structure (VES) in compound layer of steel plasma-nitrided at 560℃ with rare earth (RE)addition was calculated based on the empirical electron theory (EET) of solids and molecules and BLD method. The results show that the presence of RE atoms diffused into surface layer leads to an increase of phase structure factor, which explains the catalyzing and micro-alloying effects of RE.
关键词:42CrMo steel; rare earth; plasma nitriding; compound layer; valence electron structure;
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