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Specific Features of Fracture of Improved 40Kh Steel under Conditions of Contact Interaction

Materials Science volume 37, pages 473–479 (2001)Cite this article

Abstract

Investigations of the effects of the quenching temperature and tempering conditions show that the development of a dispersion in grain sizes and precipitation of carbides along the boundaries of grains and subgrains decrease the wear resistance of 40Kh steel. Quenching from 1050°C and elimination of the development of temper brittleness enable one to obtain a microstructure that increases the serviceability of friction units.

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Affiliations

  1. “L'vivs'ka Politekhnika” University, Lviv

    O. A. Kuzin, S. A. Bespalov & T. M. Meshcheryakova

Authors
  1. O. A. Kuzin
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  2. S. A. Bespalov
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  3. T. M. Meshcheryakova
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Kuzin, O.A., Bespalov, S.A. & Meshcheryakova, T.M. Specific Features of Fracture of Improved 40Kh Steel under Conditions of Contact Interaction. Materials Science 37, 473–479 (2001). https://doi.org/10.1023/A:1013214323569

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  • DOI: https://doi.org/10.1023/A:1013214323569

Keywords

  • Precipitation
  • Grain Size
  • Microstructure
  • Carbide
  • Brittleness