Wear of ceramic and ceramic-metal composites in high-speed dry sliding over steel

Research output: Contribution to journalArticle

Abstract

The wear of zirconia-based ceramics and WC-based ceramic-metal composites in high-speed dry sliding over steel is examined. The pin-on-disk technique is used up to a sliding speed of 47 m/sec. It is shown that tribolayers with complex composition form over ceramic and metal-ceramic materials and cause nonmonotonic changes in wear and friction. At the first stage, wear changes from normal to extreme high-intensity one with increasing sliding speed. At the second stage, steady-state wear is observed for the metal-ceramic composite and the wear rate of the ceramic material decreases virtually to its initial level typical of low sliding speeds (0.1 m/sec). Practically wearless friction of ceramics is observed over this range of speeds.

Original languageEnglish
Pages (from-to)27-33
Number of pages7
JournalPowder Metallurgy and Metal Ceramics
Volume48
Issue number1-2
DOIs
Publication statusPublished - Jan 2009

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cermets
Steel
Cermets
sliding
high speed
Wear of materials
steels
ceramics
Composite materials
Ceramic materials
friction
Friction
zirconium oxides
Zirconia
causes
Chemical analysis
metals

Keywords

  • Ceramic-metal composites
  • Dry friction
  • Sliding
  • Tribolayers
  • Tribological behavior
  • Wear
  • Zirconia

ASJC Scopus subject areas

  • Materials Chemistry
  • Metals and Alloys
  • Mechanics of Materials
  • Condensed Matter Physics
  • Ceramics and Composites

Cite this

Wear of ceramic and ceramic-metal composites in high-speed dry sliding over steel. / Kul'kov, Sergey Nikolaevich; Savchenko, N. L.; Gnyusov, S. F.

In: Powder Metallurgy and Metal Ceramics, Vol. 48, No. 1-2, 01.2009, p. 27-33.

Research output: Contribution to journalArticle

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