Interaction between compatibility and lubricity in metal forming

Nozomu Kawai, Kuniaki Dohda, Kazuhiko Minohara

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Mild steel strips are ironed by various kinds of tool material, that is, alloy tool steel SKD 11 cemented carbide V2, ceramic Si3N4 and surface treated SKD 11 by diffusing coating VC and with some oiliness agents and extreme pressure additives, using the strip-ironing type friction testing machine. The influence of ironing travel, ironing reduction and lublicity of some kinds of lubricants on galling behaviours are examined, and the combined effects of compatibility and lubricity are clarified. Galling types, which are peculiar to die materials. cannot be effected by the above three factors. The effects of decreasing the friction coefficient do not appear in the case of Si3N4 and VC, but apper clearly for SKD 11. Improvement in limiting ironing reduction for galling are recognized for v2.

Original languageEnglish (US)
Pages (from-to)2022-2028
Number of pages7
Journaltransactions of the japan society of mechanical engineers series c
Volume52
Issue number479
DOIs
StatePublished - 1986

Keywords

  • Compatibility Galling
  • Forming Tribology
  • Friction Coefficient
  • Friction Testing Apparatus
  • Lubricant
  • Tool Materials

ASJC Scopus subject areas

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

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