Effect of lattice defects on tribological behavior for high friction coefficient under TCP added PAO lubrication in nanostructured steels

Kazuki TONOTSUKA, Yoshikazu TODAKA, Nozomu ADACHI, Motohiro HORII, Kenichi TODA, Masatoshi Mitsuhara, Masumi IWASAKI, Yoshinori SHIIHARA, Yoshitaka UMENO, Minoru NISHIDA, Hideharu NAKASHIMA

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

The effect of lattice defects on the tribological behavior under tricresyl phosphate (TCP) added poly-α-olefin (PAO) lubrication was investigated in the nanostructured steels produced by heavy plastic deformation processes. In surface-nanostructured SUJ2-bearing steel, tribological behavior with high friction coefficient was observed in ball-on-disk tests when compared to non-deformed steel. In addition, a similar phenomenon was observed in ultra-low carbon (ULC) steel with a high density of lattice defects (grain boundary, dislocation and so on). By increasing the density of lattice defects, a higher friction coefficient was observed. The reason for the tribological behavior with high friction coefficient seems to be that the compound film of Fe-O-P system formed in the ball-on-disk test was worn down.

本文言語英語
ページ(範囲)1358-1365
ページ数8
ジャーナルisij international
60
6
DOI
出版ステータス出版済み - 6 15 2020

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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