A comparative study assessing the wear behaviour of different ceramic die materials during superplastic forming

A. A. Gomez-Gallegos, M. Farrell, N. Zuelli, A. Staiano

Research output: Contribution to journalArticle

Abstract

Superplastic forming (SPF) is an advanced manufacturing process where metallic sheets are heated to their superplastic region to be blow formed within a die set. The process allows for the forming of complex parts but it is typically restricted to low volume and high value products. Ceramic dies are a developing technology in the SPF domain as they offer lower production costs and shorter lead times than conventional metallic dies, thus reducing process costs. Ceramic dies, however, are limited for SPF applications due to their brittle nature. This paper presents a method to assess ceramic die wear which is based on a novel test rig developed at the Advanced Forming Research Centre (AFRC) where SPF die-blank interaction was replicated at laboratory scale. Controllable normal load and twist compression tests on different ceramic materials were carried out with a view to understanding their wear mechanisms and to ultimately identify methods to improve their wear resistance.
LanguageEnglish
Pages983-992
Number of pages10
Journal Materials Science and Engineering Technology
Volume48
Issue number10
DOIs
Publication statusPublished - 19 Oct 2017

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Ceramic dies
superplastic forming
Wear of materials
ceramics
production costs
compression tests
blanks
Ceramic materials
wear resistance
Wear resistance
Costs
Compaction
manufacturing
costs

Keywords

  • superplastic forming
  • ceramic
  • wear
  • tribology
  • friction
  • ceramic die

Cite this

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A comparative study assessing the wear behaviour of different ceramic die materials during superplastic forming. / Gomez-Gallegos, A. A.; Farrell, M.; Zuelli, N.; Staiano, A.

In: Materials Science and Engineering Technology, Vol. 48, No. 10, 19.10.2017, p. 983-992.

Research output: Contribution to journalArticle

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