Electron theory study on mechanism of action of cobaltin Fe-Co-Cr based high-alloy steel

查看全文 作　　者：LI Peijie, XIONG Yuhua, LIU Shuxun & ZENG DabenDepartment of Mechanical Engineering, Tsinghua University, Beijing100084, China

出　　处：《Chinese Science Bulletin》索引2003年第48卷第2期,共3页

摘　　要：The valence electron structure of martensite in Fe-Co-Cr based high-alloy steel is calculated using the em-pirical electron theory of solids and molecules (EET). The results show that the incorporation of cobalt leads to a rise in nA from 0.3835 to 0.4684, which enhances the bonding forces between atoms in a-Fe matrix. Meanwhile, the incorporation of Co changes the valence electron structure of segregated structure units formed by C and other alloying elements, and increases nA for the segregated units containing C-Me sig-nificantly, resulting in changing the precipitation behavior of the secondary phases during tempering and strengtheningthe resistance to tempering. 关键词：钴价电子结构碳铁固溶体相互作用 Fe-Co-Cr基高合金钢电子理论

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Electron theory study on mechanism of action of cobaltin Fe-Co-Cr based high-alloy steel

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