Volume 30 Issue 1
Feb.  2015
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WANG Hongbo, LI Jinghan, LI Jingtao. The Influence of Heat Treatment on Microstructure and Properties of 18Cr23MoVRE Cast Steel[J]. Development and Application of Materials, 2015, 30(1): 75-78. DOI: 10.19515/j.cnki.1003-1545.2015.01.017
Citation: WANG Hongbo, LI Jinghan, LI Jingtao. The Influence of Heat Treatment on Microstructure and Properties of 18Cr23MoVRE Cast Steel[J]. Development and Application of Materials, 2015, 30(1): 75-78. DOI: 10.19515/j.cnki.1003-1545.2015.01.017
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The Influence of Heat Treatment on Microstructure and Properties of 18Cr23MoVRE Cast Steel

  • 1. Luoyang Generating Equipment Co., Ltd., Luoyang 471039, China;

  • 2. Xi'an Jiaotong University, Xi'an 710049, China;

  • 3. Luoyang CITIC HMC Transportion Co., Ltd., Luoyang 471039, China

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  • Received Date: September 01, 2014
  • Available Online: March 18, 2024
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    • Abstract
  • The microstructure and mechanical properties of 18Cr23MoVRE wear-resistant cast steel under different heat treatment condition were studied by series of experiments.The experiment results show that the microstructure of 18Cr23MoVRE wear-resistant cast steel consists of martensite,a small amount of retained austenite and carbide which existed dispersedly on the matrix after different quenching temperature and 300 ℃ tempering treatment.With the increase of quenching temperature,the hardness of the cast steel increases and the toughness decreases.When the quenching temperature is 1 000 ℃ and the tempering temperature is 300 ℃,the hardness reaches to HRC 58.5 and the impact toughness is over 5.0J.Compared with the as-cast steel,the hardness and impact toughness of the steel after quenching and tempering are improved by about 33% and 26%,respectively.
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