Tribological Properties of Sapphire under Dry Friction against Chromium and Zirconium Ceramics

Tribological Properties of Sapphire under Dry Friction against Chromium and Zirconium Ceramics

Valery Alisin, Dmitry Gutsev

Abstract. The issues of sapphire friction and wear in contact with chrome steel and zirconium ceramics are discussed in this article. The kinetic microindentation method is used to study the mechanical properties of sapphire in frictional contact in modelling experiments on the indentation of a Vickers indent. Taking into account the anisotropy of the mechanical properties of sapphire, the influence of the load and orientation of the indent on the modulus of elasticity and hardness is analyzed. It has been established that, under dry friction conditions it is promising the use of zirconium ceramics in the supports of devices operating under conditions in which the use of lubricants is impossible. The possibility of using a friction couple of sapphire-zirconium ceramics in friction units operating in open space is noted.

Keywords
Tribological Properties of Sapphire, Dry Friction of Crystals, Tribological Tests, Kinetic Microindentation

Published online 1/5/2022, 5 pages
Copyright © 2022 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Valery Alisin, Dmitry Gutsev, Tribological Properties of Sapphire under Dry Friction against Chromium and Zirconium Ceramics, Materials Research Proceedings, Vol. 21, pp 18-22, 2022

DOI: https://doi.org/10.21741/9781644901755-3

The article was published as article 3 of the book Modern Trends in Manufacturing Technologies and Equipment

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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