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Specific features of the wear of zirconium in gaseous atmospheres at different temperatures

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We study the tribological behavior of zirconium in air, hydrogen, and vacuum at temperatures of 20 and 100°C. In case of friction in air, the plastic deformation of microasperities on the surface is discovered. As temperature becomes higher, the degree of wear of the metal increases by 10–15%. In hydrogen, the plasticity of the metal decreases and microcracks are formed on the friction surface. The number of these microcracks noticeably increases at a temperature of 100°C. Finely divided wear products are also formed on the friction surface, probably as a result of the formation and brittle fracture of zirconium hydrides. The character of wear of zirconium in a vacuum reveals the presence of seizure of the contacting surfaces and repeated crushing of the formed bulges on the friction surfaces. At a temperature of 100°C, the degree of wear of the metal decrease due to the increase in its plasticity.

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Authors and Affiliations

  1. Karpenko Physicomechanical Institute, Ukrainian National Academy of Sciences, Lviv, Ukraine

    L. А. Arendar, Kh. B. Vasyliv, V. А. Vinar & E. M. Rud’kovs’kyi

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  1. L. А. Arendar
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  2. Kh. B. Vasyliv
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  3. V. А. Vinar
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  4. E. M. Rud’kovs’kyi
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Corresponding author

Correspondence to Kh. B. Vasyliv.

Additional information

Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 48, No. 6, pp. 52–55, November–December, 2012.

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Arendar, L.А., Vasyliv, K.B., Vinar, V.А. et al. Specific features of the wear of zirconium in gaseous atmospheres at different temperatures. Mater Sci 48, 747–751 (2013). https://doi.org/10.1007/s11003-013-9564-8

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  • DOI: https://doi.org/10.1007/s11003-013-9564-8

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