鉄鋼材料におけるリン系添加剤配合潤滑油中の高摩擦係数化に及ぼす高密度格子欠陥の影響

殿塚 一希; 戸髙 義一; 足立 望; 堀井 基弘; 戸田 健一; 光原 昌寿; 岩﨑 眞澄; 椎原 良典; 梅野 宜崇; 西田 稔; 中島 英治

doi:10.2355/tetsutohagane.TETSU-2018-043

Regular Articles

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

Author information

Kazuki Tonotsuka
Graduate Student, Department of Mechanical Engineering, Toyohashi University of Technology
Yoshikazu Todaka Corresponding author
Department of Mechanical Engineering, Toyohashi University of Technology
Nozomu Adachi
Department of Mechanical Engineering, Toyohashi University of Technology
Motohiro Horii
Graduate Student, Department of Mechanical Engineering, Toyohashi University of Technology
Kenichi Toda
Graduate Student, Department of Mechanical Engineering, Toyohashi University of Technology
Masatoshi Mitsuhara
Department of Advanced Materials Science and Engineering, Faculty of Engineering Sciences, Kyushu University
Masumi Iwasaki
Graduate Student, Department of Molecular and Material Sciences, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
Yoshinori Shiihara
Graduate School of Engineering, Toyota Technological Institute
Yoshitaka Umeno
Institute of Industrial Science, The University of Tokyo
Minoru Nishida
Department of Advanced Materials Science and Engineering, Faculty of Engineering Sciences, Kyushu University
Hideharu Nakashima
Department of Advanced Materials Science and Engineering, Faculty of Engineering Sciences, Kyushu University

Keywords: friction coefficient, tribology, lattice defect, nanostructure, ball-on-disk test, heavy plastic deformation

JOURNAL OPEN ACCESS FULL-TEXT HTML

2019 Volume 105 Issue 2 Pages 282-289

DOI https://doi.org/10.2355/tetsutohagane.TETSU-2018-043

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Abstract

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

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