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Tribotechnical characteristics of superhard boron nitride materials in contact with hard alloys

  • Yu. V. Naidich
  • A. G. Kostornov
  • A. A. Adamovskii
  • V. T. Varchenko
  • A. D. Kostenko
Article
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The paper examines the tribotechnical characteristics of samples produced from superhard boron nitride materials in friction contact with hard alloys of VK and TK grade without lubrication. All friction pairs possess high wear resistance. The hard alloys show three to six times higher wear than that of boron nitride materials in all friction pairs with different combinations of materials. The maximum wear resistance is exhibited by composite 10–hard alloy friction pair. With higher sliding velocity, the friction coefficient of all pairs decreases and temperature in the friction area increases. The maximum temperature in the friction area at which the materials can perform for a long time is 300°C.

Keywords

superhard materials sample solder friction unit surface roughness contact area tribotechnical characteristics 

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Copyright information

© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  • Yu. V. Naidich
    • 1
  • A. G. Kostornov
    • 1
  • A. A. Adamovskii
    • 1
  • V. T. Varchenko
    • 1
  • A. D. Kostenko
    • 1
  1. 1.Frantsevich Institute for Problems of Materials Science, National Academy of Sciences of UkraineKievUkraine

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