Non-uniform fracture in three-stage forming process of sheared protrusion for current collector of molten carbonate fuel cells

Chang Whan Lee, Dong Yol Yang

Research output: Contribution to journalConference articlepeer-review

Abstract

The development of the non-uniform fracture layer and the effect of the non-uniform fracture on the forming process of the sheared protrusion were investigated through experiments and the finite element analysis. It was found that the non-uniform fracture occurred in the contact region between the slope of the slitting punch and the sheet due to the change of the slitting direction. In addition, the effect of the non-uniform fracture on the forming process of the sheared protrusion was investigated. Experiments involving microscopic and macroscopic observations were conducted to verify the finite element analysis of the three-stage forming process of the sheared protrusions.

Original languageEnglish
Pages (from-to)1151-1156
Number of pages6
JournalProcedia Engineering
Volume81
DOIs
StatePublished - 2014
Event11th International Conference on Technology of Plasticity, ICTP 2014 - Nagoya, Japan
Duration: 19 Oct 201424 Oct 2014

Keywords

  • Current collector
  • Ductile fracture
  • Molten carbonate fuel cell
  • Slitting process

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