Friction and wear characteristics of fine ceramics at environmental temperatures up to 1273 K

Akira Yoshida, Masahiro Fujii, Qihao Zhang, Keiji Nagamori, Hideki Haishi

Research output: Contribution to journalArticle

Abstract

The effect of environmental temperature on friction and wear characteristics of α-Sialon and alumina (Al2O3) was determined in a temperature range from room temperature to 1273 K in air and nitrogen. In the case of Sialon, the effect of environmental temperature on the friction coefficient was not clearly observed, but the wear volume tended to increase with a rise of environmental temperature. In the case of Al2O3, when testing in air at temperatures below 673 K, both the friction coefficient and the wear volume grew larger with an increase of environmental temperature, but when testing in nitrogen in a temperature range from room temperature to 1273 K, the wear volume decreased with a temperature rise. At 1273 K, both types of fine ceramics formed smooth surfaces by the transfer of wear particles, which resulted in a reduction of the friction coefficient and the termination of wear process. In the case of Sialon, friction and wear characteristics were affected by the formation of SiO2 and in the case of Al2O3, in a temperature range from room temperature to 673 K, friction and wear characteristics were affected by the humidity of the environmental atmosphere.

Original languageEnglish
Pages (from-to)1105-1115
Number of pages11
JournalJapanese Journal of Tribology
Volume41
Issue number10
Publication statusPublished - Dec 1 1996

    Fingerprint

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this