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Volume 15 Issue 6
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Citation:
shu

Structure feature of 4Cr5MoV1 Si steel treated by laser rapid melting

  • 1.

    Harbin Institute of Technology Tsinghua University;

  • 2.

    Tsingliua University

  • Received Date: 1990-12-18
  • The microstructure of 4Cr5MoV1Si steel treated by means of CO2 laser rapid melting was studied.The results show that the melted region is fine extensional growing cellular crystals and cellular dendrite crystals.In the melted region,the distribution of alloying elements is homogeneous,all carbides are melted and inclusions are eliminated.The microstructure of the melted region is martensite and the amount of lath martensite is more than that of the steel usually quenched.
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  • [1] 尹钟大,李晓东.兵器材料科学与工程,1988(4):28
    [2]

    Rawers J C.J Mater Sci,1985;20:1929
    [3] 李晓东.哈尔滨工业大学硕士学位论文.1988:64
  • 加载中
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Structure feature of 4Cr5MoV1 Si steel treated by laser rapid melting

  • 1. Harbin Institute of Technology Tsinghua University;
  • 2. Tsingliua University
  • Received Date: 1990-12-18
  • Available Online: 1991-11-25

Abstract: The microstructure of 4Cr5MoV1Si steel treated by means of CO2 laser rapid melting was studied.The results show that the melted region is fine extensional growing cellular crystals and cellular dendrite crystals.In the melted region,the distribution of alloying elements is homogeneous,all carbides are melted and inclusions are eliminated.The microstructure of the melted region is martensite and the amount of lath martensite is more than that of the steel usually quenched.

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