| Calculation and Analysis of Valence Electron Structure of Mo2C and V4C3 in Hot Working Die Steel |
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| 作者姓名： | LIU Yan LIU Zhi-lin ZHANG Cheng-weit |
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| 作者单位： | [1]College of Material and Chemical Engineer, Liaoning Institute of Technology, Jinzhou 121001, Liaoning, China [2]China National Oil and Gas Exploration and Development Corporation, Beijing 100011, China |
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| 基金项目： | 中国科学院资助项目
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辽宁省自然科学基金 |
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| 摘 要： | Taking the hot working die steel （HWDS） 4Cr3Mo2NbVNi as an example, the phase electron structures （PES） and the biphase interface electron structures （BIES） of Mo2C and V4 C3 , which are two kinds of important carbides precipitated during tempering in steel were calculated, on the basis of the empirical electron theory of solids and molecules and the improved TFD theory. The influence of Mo2 C and V4 C3 on the mechanical properties of HWDS has been analyzed at electron structure level, and the fundamental reason that the characteristic of the PES and the BIES of carbides decides the behavior of them has been revealed.
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| 关 键 词： | 热作模具钢 Mo2C V4C3 价电子结构 计算分析 |
| 收稿时间： | 2004-04-28 |
Calculation and Analysis of Valence Electron Structure of Mo2C and V4C3 in Hot Working Die Steel |
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| LIU Yan LIU Zhi-lin ZHANG Cheng-weit.Calculation and Analysis of Valence Electron Structure of Mo2C and V4C3 in Hot Working Die Steel[J].Journal of Iron and Steel Research,2006,13(1):50-56. |
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| Authors: | LIU Yan LIU Zhi-lin ZHANG Cheng-wei |
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| Affiliation: | 1. College of Material and Chemical Engineer, Liaoning Institute of Technology, Jinzhou 121001, Liaoning, China
2. College of Material and Chemical Engineer, Liaoning Institute of Technology, Jinzhou 121001, Liaoning, China;China National Oil and Gas Exploration and Development Corporation,Beijing 100011,China |
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| Abstract: | Taking the hot working die steel (HWDS) 4Cr3Mo2NbVNi as an example, the phase electron structures (PES) and the biphase interface electron structures (BIES) of Mo2C and V4C3, which are two kinds of important carbides precipitated during tempering in steel were calculated, on the basis of the empirical electron theory of solids and molecules and the improved TFD theory. The influence of Mo2C and V4C3 on the mechanical properties of HWDS has been analyzed at electron structure level, and the fundamental reason that the characteristic of the PES and the BIES of carbides decides the behavior of them has been revealed. |
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| Keywords: | phase structure factor interface conjunction factor hot working die steel carbide |
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