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

抜粋

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.

元の言語English
ページ(範囲)1-12
ページ数12
ジャーナルJournal of Synthetic Lubrication
8
発行部数1
DOI
出版物ステータスPublished - 1991 4

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Surfaces, Coatings and Films

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