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Surface wear structures and mechanisms in zirconia-based ceramics

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Abstract

Correlations between the scale of surface structures formed upon high-velocity friction and the wear intensity have been studied for Y-TZP ceramics with various values of the average grain size. An increase in the sliding velocity from 4 to 11 m/s in the ceramics-steel friction couple leads to a decrease in the wear rate (caused by a change in the mechanism of wear from high-temperature adhesive wear to that in the regime of friction with boundary quasi-liquid lubricant film formation) and is accompanied by a decrease in the scale of the crack network formed on the friction surface.

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Authors and Affiliations

  1. Institute of Strength Physics and Materials Science, Siberian Division, Russian Academy of Sciences, Tomsk, 634055, Russia

    N. L. Savchenko

  2. Tomsk State Polytechnical University, Tomsk, Russia

    S. N. Kul’kov

Authors
  1. N. L. Savchenko
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  2. S. N. Kul’kov
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Translated from Pis’ma v Zhurnal Tekhnichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 30, No. 15, 2004, pp. 77–83.

Original Russian Text Copyright © 2004 by Savchenko, Kul’kov.

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Savchenko, N.L., Kul’kov, S.N. Surface wear structures and mechanisms in zirconia-based ceramics. Tech. Phys. Lett. 30, 654–656 (2004). https://doi.org/10.1134/1.1792303

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  • DOI: https://doi.org/10.1134/1.1792303

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