鉄と鋼
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
論文
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
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2019 年 105 巻 2 号 p. 282-289

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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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