Effect of Morphology for Novel Bainite/Martensite Dual-Phase High Strength Steel on Its Hydrogen Embrittlement Susceptibility  

作　　者：CHANG Kai-di GU Jia-lin FANG Hong-sheng BAI Bing-zhe ZHANG Wen-zheng YANG Zhi-gang LIU Dong-yu ZHANG Chi 

机构地区：[1]Tsinghua University

出　　处：《Journal of Iron and Steel Research International》2001年第1期37-40,共4页

基　　金：Project Sponsored by Ministry of Science and Technology of China(G1998061513)

摘　　要：With TEM、SEM, various high temperature deformed structures in W9Mo3Cr4V steel were investigated. The sub structures,recrystallized nuclei, as well as the dynamic precipitation were also studied and analyzed. The relationship between recrystallized structures and dynamic precipitation was discussed. The results showed that the deformed structures in W9Mo3Cr4V steel are more complicated than those in low alloy steels. Because W9Mo3Cr4V steel is a high speed steel, there are a large number of residual carbides on the matrix. Also, much dynamic precipitating carbides will precipitate during deformation at high temperature.With TEM、SEM, various high temperature deformed structures in W9Mo3Cr4V steel were investigated. The sub structures,recrystallized nuclei, as well as the dynamic precipitation were also studied and analyzed. The relationship between recrystallized structures and dynamic precipitation was discussed. The results showed that the deformed structures in W9Mo3Cr4V steel are more complicated than those in low alloy steels. Because W9Mo3Cr4V steel is a high speed steel, there are a large number of residual carbides on the matrix. Also, much dynamic precipitating carbides will precipitate during deformation at high temperature.

关 键 词：W9Mo3Cr4V steel high temperature deformed structure dynamic precipitation 

分 类 号：TG142.1[一般工业技术—材料科学与工程]