Volume 18 Issue 2
Jun.  2024
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Lei Yuntao, Ma Jianpo, Zhang Jinmin. TEM Study on the Microstructure of Wrought 14Ni3CrMoV Steel after Normalizing and Tempering Treatment[J]. Development and Application of Materials, 2003, 18(2): 1-3,14. DOI: 10.19515/j.cnki.1003-1545.2003.02.001
Citation: Lei Yuntao, Ma Jianpo, Zhang Jinmin. TEM Study on the Microstructure of Wrought 14Ni3CrMoV Steel after Normalizing and Tempering Treatment[J]. Development and Application of Materials, 2003, 18(2): 1-3,14. DOI: 10.19515/j.cnki.1003-1545.2003.02.001
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TEM Study on the Microstructure of Wrought 14Ni3CrMoV Steel after Normalizing and Tempering Treatment

  • 1. Luoyang Ship Material Research Institute, Luoyang 471039, China;

  • 2. School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, China

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  • Received Date: June 27, 2002
  • Available Online: June 14, 2024
    Graphical Abstract
    • Abstract
  • The microstructure of the wrought 14Ni3CrMoV steel after normalizing and tempering treatment has been investigated by transmision electron microscopy(TEM). The results show that the predominant bainitic microstructure, formed in the normalizing process, has changed distinctly after high temperature tempering. There are abundant carbides precipitated, distributing homogeneously in the matrix. Most of these carbides are arranged orderly, orienting the direction of the original lath bainitic ferrite. A constituent of ferrite and carbide exists in some region and the block residual austenite which is dominant in the normalized state is not found after tempering.
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