The lubrication mechanism in low speed plastic deformation with a synthetic lubricant — infiltration of lubricant into the boundary contact region

S. Kataoka, J. Kihara, T. Aizawa

研究成果: Article査読

抄録

To investigate and evaluate the micro‐pool mechanism in a mixed lubrication regime using polybutene lubricants, experiments were performed using 1 mm brass sheet, for various surface rough nesses of a work piece and die, lubricant viscosities and extrusion speeds. Systematic study showed that (1) the lower viscosity lubricant is easily squeezed out from the micro‐pools into the flat are a through the troughs between the tool and work piece caused by plastic deformation of work piece, and (2) with decrease in lubricant viscosity and speed, or the larger the tool surface roughness becomes, the more lubricant infiltrates into the tool‐work piece interface, which reduces the actual friction coefficient.

本文言語English
ページ(範囲)1-12
ページ数12
ジャーナルJournal of Synthetic Lubrication
8
1
DOI
出版ステータスPublished - 1991 4

ASJC Scopus subject areas

  • 化学工学(全般)
  • 機械工学
  • 表面、皮膜および薄膜

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