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Effect of destabilization treatment on microstructure, hardness and abrasive wear of high chromium hardfacing

Author

Listed:
  • R. Chotěborský

    (Department of Material Science and Manufacturing Technology, Faculty of Engineering, Czech University of Life Sciences Prague, Czech Republic)

  • P. Hrabě

    (Department of Material Science and Manufacturing Technology, Faculty of Engineering, Czech University of Life Sciences Prague, Czech Republic)

Abstract

Hardfacing metals are widely used in arc welding and plasma transfer arc technologies and industries. However, application of hardfacing in agriculture is limited due to low toughness after weld depositing. This study was focused on destabilization of high chromium hardfacing metal. The hardfacing was destabilized at 900 and 1,000°C in the different treatment time intervals. Destabilization treatment showed precipitation of secondary carbides leading to partial transformation of austenite to martensite phase in the matrix. The results show that increasing destabilization temperature increased volume of carbide phase in austenitic matrix which affects abrasive wear resistance.

Suggested Citation

  • R. Chotěborský & P. Hrabě, 2013. "Effect of destabilization treatment on microstructure, hardness and abrasive wear of high chromium hardfacing," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 59(4), pages 128-135.
    • Handle: RePEc:caa:jnlrae:v:59:y:2013:i:4:id:6-2013-rae
    DOI: 10.17221/6/2013-RAE
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    References listed on IDEAS

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    1. R. Chotěborský & P. Hrabě & M. Müller & J. Savková & M. Jirka & M. Navrátilová, 2009. "Effect of abrasive particle size on abrasive wear of hardfacing alloys," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 55(3), pages 101-113.
    2. R. Chotěborský & P. Hrabě & M. Müller & J. Savková & M. Jirka, 2008. "Abrasive wear of high chromium Fe-Cr-C hardfacing alloys," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 54(4), pages 192-198.
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