Influence of technological parameters of permanent mold casting and die casting on creep and strength of Mg alloy AZ91D

E. M. Gutman, Ya Unigovski, M. Levkovich, Z. Koren, E. Aghion, M. Dangur

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

To increase the strength of cast magnesium alloys operating at elevated temperatures, it is most important to increase their creep resistance. However, the influence of Mg-alloys die casting and permanent mold casting parameters on creep resistance has not been practically studied in the past. It is shown in this work that such casting parameters as metal injection rate into the die, die (mold) temperature and liquid metal temperature exert essential influence on creep resistance and other mechanical properties of the magnesium alloy AZ91D. It is established that in the case of permanent mold cast alloy, creep magnitude is defined by intermetallic β-phase inclusions, whereas in the case of die casting it is defined by the extent of micro- and macro-porosity development in the alloy.

Original languageEnglish
Pages (from-to)880-883
Number of pages4
JournalMaterials Science and Engineering: A
Volume234-236
DOIs
StatePublished - 30 Aug 1997

Keywords

  • Casting parameters
  • Magnesium alloy
  • Mechanical properties

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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