Electroconductive ceramic tooling for dry deep drawing

Kenji Tamaoki, Ken ichi Manabe, Seiji Kataoka, Tatsuhiko Aizawa

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Large use and waste of lubricating oil has become a very serious environmental issue. Hence, oil-free metal forming is one of the most promising solutions to this issue. Among them, ceramic tooling is proposed because of its good tribological properties. Its feasibility for dry deep drawing has been studied in laboratory; ceramic tooling is thought to be applicable to dry deep drawing. However, the workability of ceramics in tooling preparation is inferior to that of alloy tool steel. In the present paper, electroconductive ceramics are proposed as an alternative tool material. The electroconductive ceramic tooling is shaped by electric discharge machining such as wire electric discharge machining, die sinking electric discharge, and so forth; any shape of tools can be easily accommodated by these methods. The workability of electroconductive ceramics by electric discharge machining as well as the deep drawability with electroconductive ceramics tooling is experimentally evaluated. Selection of electric conditions for electric discharge machining influences the surface finish quality of electroconductive ceramics. Zirconia-based electroconductive ceramic die has an equivalent deep drawability in dry to conventional SKD11 die with lubricant.

Original languageEnglish
Pages (from-to)48-53
Number of pages6
JournalJournal of Materials Processing Technology
Volume210
Issue number1
DOIs
Publication statusPublished - 2010 Jan 1

Fingerprint

Electric discharge machining
Deep drawing
Ceramic dies
Electric discharges
Tool steel
Lubricating oils
Metal forming
Alloy steel
Zirconia
Surface properties
Lubricants
Oils
Wire

Keywords

  • Ceramic tooling
  • Dry deep drawing
  • Electric discharge machining
  • Electroconductive ceramic composites
  • Environmental friendliness

ASJC Scopus subject areas

  • Computer Science Applications
  • Modelling and Simulation
  • Ceramics and Composites
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

Cite this

Electroconductive ceramic tooling for dry deep drawing. / Tamaoki, Kenji; Manabe, Ken ichi; Kataoka, Seiji; Aizawa, Tatsuhiko.

In: Journal of Materials Processing Technology, Vol. 210, No. 1, 01.01.2010, p. 48-53.

Research output: Contribution to journalArticle

Tamaoki, Kenji ; Manabe, Ken ichi ; Kataoka, Seiji ; Aizawa, Tatsuhiko. / Electroconductive ceramic tooling for dry deep drawing. In: Journal of Materials Processing Technology. 2010 ; Vol. 210, No. 1. pp. 48-53.
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