Friction Behavior in the Cup-Ironing Process of Aluminum Sheet

Nozomu Kawai, Kuniaki Dohda, Masami Saitoh, Nobukazu Hayashi, Zhrgang Wang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The object of this paper is to clarify the surface flattening mechanism in the drawing-ironing process based on the lubricating mechanism. A new experimental apparatus for the drawing-ironing process was made and experiments on ironing were carried out with aluminum cups using various lubricants and reductions in thickness. The experiments revealed that on the die surface the friction coefficient becomes minimum under the appropriate conditions of viscosity of lubricants and reduction in thickness. It was also confirmed that the cup surface is best flattened under conditions where the minimum friction coefficient appears.

Original languageEnglish (US)
Pages (from-to)2885-2891
Number of pages7
Journaltransactions of the japan society of mechanical engineers series c
Issue number519
StatePublished - 1989


  • Drawing-Ironing Process
  • Friction
  • Friction Coefficient
  • Lubrication
  • Micropool
  • Plastic Forming
  • Surface Roughness
  • Tribology

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering


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