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Effect of microstructure factors on abrasion resistance of high-strength steels

Author

Listed:
  • E. Zdravecká

    (Department of Technologies and Materials, Faculty of Mechanical Engineering, Technical University in Košice, Košice, Slovak Republic)

  • J. Tkáčová

    (Department of Technologies and Materials, Faculty of Mechanical Engineering, Technical University in Košice, Košice, Slovak Republic)

  • M. Ondáč

    (Department of Technologies and Materials, Faculty of Mechanical Engineering, Technical University in Košice, Košice, Slovak Republic)

Abstract

Current development of high strength abrasion resistant steels is mostly oriented on high hardness, martensitic concept following the hypothesis that the abrasion resistance holds a proportional tendency with hardness. The various experimental observations have suggested that the high hardness of martenzite does not guarantee a high abrasion resistance because the brittle nature of martensite can lead to decrease their abrasive wear. The aim of this work was to analyse the influence of microstructure on abrasion resistance of selected high-strength low-alloyed steels used in the industry. The abrasive wear resistance of selected steels was obtained using an ASTM-G65 three-body abrasive wear test, microstructure and wear resistance determination. It was observed that grain refinement is an effective way of enhancing the abrasion resistance. In this context, micro alloyed steels offer an attractive combination of price and performance.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlrae:v:60:y:2014:i:3:id:20-2013-rae
    DOI: 10.17221/20/2013-RAE
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    References listed on IDEAS

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    1. 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.
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