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2017 , Vol. 17 >Issue 1: 144 - 150

DOI: https://doi.org/10.12034/j.issn.1009-606X.216220

Process and Technology

Effect of Alloying and Rare Earth Modification on Thermal Conductivity and Wear Resistance of Austenitic Medium Manganese Steel

  • CHEN Shao-Chun ,
  • LIN Xin-Qiang ,
  • ZHU Kang-Zheng ,
  • LU Yue-Mei ,
  • YE Rong-Hua ,
  • LIN Yang ,
  • LIN Xiao-Ying
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  • 1. School of Mechanical Engineering & Automation, Fuzhou University
    2. School of Mechanical Engineering & Automation，Fuzhou University
    3. Fujian Qiangda Heavy Machinery Company

Received date: 2016-06-13

  Revised date: 2016-09-09

  Online published: 2017-02-22

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Abstract

Aimed at the problems of the austenitic manganese steel, such as the thermal conductivity is poor, the heat is not easy to export and the workpiece is easy to heat deformation, which leads to the processing precision is difficult to guarantee, and the cutting speed cannot be improved, we study the effects of Cr, Mo and rare earth alloy elements on thermal conductivity and wear resistance of the austenitic manganese steel herein. The results showed that the thermal conductivity can be enhanced of 19.6%, the wearing rate is reduced by 54.5%, and crystal grain is improved from grade 3 to 5 comparing austenitic medium manganese steel to the traditional high manganese, when the Cr content is about 1%(?), the content of Mo is about 2%(?), and 0.15%(?) of the rare earth is added.

Key words： austenitic; manganese steel; alloying; rare earth; thermal conductivity; wear resistance

Cite this article

CHEN Shao-Chun , LIN Xin-Qiang , ZHU Kang-Zheng , LU Yue-Mei , YE Rong-Hua , LIN Yang , LIN Xiao-Ying . Effect of Alloying and Rare Earth Modification on Thermal Conductivity and Wear Resistance of Austenitic Medium Manganese Steel[J]. The Chinese Journal of Process Engineering, 2017 , 17(1) : 144 -150 . DOI: 10.12034/j.issn.1009-606X.216220

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