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MICROSTRUCTURE IN LASER FUSED HIGH SPEED STEEL W6Mo5Cr4V2(M2)

MICROSTRUCTURE IN LASER FUSED HIGH SPEED STEEL W6Mo5Cr4V2(M2)

作     者:LIU Ning CUI Kun Huazhong University of Science and Technology,Wuhan.China DENG Zonggang Hefei University of Technology,Hefei,China CHENG Benpei KONG Jie Institute of Solid State Physics,Academia Sinica,Hefei,China Doctorate student,Department of Mechanical Engineering No.2,Huazhong University of Science and Technology,Wuhan 430074,China 

作者机构:Huazhong Univ of Science and Technology Wuhan China 

出 版 物:《Acta Metallurgica Sinica(English Letters)》 (金属学报(英文版))

年 卷 期:1993年第6卷第1期

页      面:36-39页

核心收录:

学科分类:0810[工学-信息与通信工程] 08[工学] 0805[工学-材料科学与工程(可授工学、理学学位)] 0812[工学-计算机科学与技术(可授工学、理学学位)] 

主  题:High speed steel W6Mo5Cr4V2(M2) laser fused treatment micrstructure 

摘      要:Microstructure of the deepest zone of high speed steel W6Mo5Cr4V2(M2)melt after laser fu-sion was found to be so fine as the ehill zone of a solidified *** narrower chill zoneformed,the long columnar dendrites grow into the melt and then the fine equiaxed cellularstructure appears in upper melt region nearly *** substructure of cellular grains anddendrites was observed to consist of martensite and retained austenile,while the carbides asM_6C_■ Cr_7C_3 and MC distributed at their *** is believed that the highermicrohardness up to HV_(0.1)=865-960 of the laser fused structure of the alloy is due to the oc-currence of martensite.

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