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Change of mechanical properties in substrate during rewelding deposit

Author

Listed:
  • R. Chotěborský

    (Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • P. Hrabě

    (Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • A. Kabutey

    (Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

Abstract

A study was carried out to examine the influence of rewelding deposit of structural low carbon steel and also the changes which occur in heat-affected zone and subcritical zone during rewelding. Optical metallography, microhardness Vickers method and Charpy impact test were employed to analyze these differences. The results show that rewelding deposit increased the heat-affected zone and fine coarse grain heat-affected zone and also has influence on impact toughness of substrate and their microhardness. Again, it was found that rewelding increased the fine coarse grain heat-affected zone. This effect resulted in increasing impact toughness in the heat-affected zone. However, submicroscopic change in substrate ferrite showed decreasing impact toughness.

Suggested Citation

  • R. Chotěborský & P. Hrabě & A. Kabutey, 2011. "Change of mechanical properties in substrate during rewelding deposit," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 57(3), pages 105-109.
    • Handle: RePEc:caa:jnlrae:v:57:y:2011:i:3:id:36-2010-rae
    DOI: 10.17221/36/2010-RAE
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    References listed on IDEAS

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    1. 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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    Cited by:

    1. E. Zdravecká & J. Tkáčová & M. Ondáč, 2014. "Effect of microstructure factors on abrasion resistance of high-strength steels," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 60(3), pages 115-120.

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