Evaluation of solidification cracking susceptibility of heat-resistant magnesium alloy produced by semi-solid injection molding process

Toshio Fujii, Motomichi Yamamoto, Kenji Shinozaki, Ryota Misawa, Atsushi Nagai, Makoto Yoshida, Tatsuya Tanaka

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

New tentative semi-solid injection molding machine for magnesium alloy which was able to control solid fraction from 0 to 30% was developed. The solidification cracking susceptibility of the heat-resistant magnesium alloy containing 4% Al and 3% Ca fabricated by semi-solid injection molding and die-casting were investigated. The critical strain for solidification cracking of the magnesium alloy was obtained by U-type hot cracking test using in-situ observation method. High temperature ductility curve between liquidus and solidus temperatures were compared with semi-solid injection molding and die-casting. As result, solidification cracking susceptibility of semi-solid injection molding process with solid fraction of 25% was better than that of die-casting.

Original languageEnglish
Pages (from-to)223-228
Number of pages6
JournalKeikinzoku/Journal of Japan Institute of Light Metals
Volume63
Issue number6
DOIs
Publication statusPublished - 2013 Sep 3

Keywords

  • Fracture strain
  • Heat-resistant magnesium alloy
  • Injection molding
  • Semi-solid process
  • Solidification cracking

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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