Newly developed heat resistant magnesium alloy by thixomolding

T. Tsukeda, R. Uchida, M. Suzuki, J. Koike, K. Maruyama

Research output: Contribution to journalConference articlepeer-review

10 Citations (Scopus)


Thixomolding of magnesium alloy is an environmentally friendly and safe casting process. This process is capable of near net shape casting from solid feedstock in a single step by injecting metallic slurry into a die cavity with high pressure at semi-solid or fully melted state. In the present work, we investigated the effects of the chemical composition on the creep resistance at elevated temperatures, the corrosion resistance at room temperature and the fluidity during thixomolding about the Mg-Al-Ca-Mm-Sr alloys. Obtained results are the following. (1) The creep resistance increased with increasing additional Ca or Sr content to AM60B. The effect of Ca was larger than that of Sr. The corrosion resistance decreased with increasing Ca content. (2) No significant differences of the corrosion and creep resistance were observed within the Al content of 4 to 8mass% in Mg-Al-3mass%Ca alloys. (3) More than 0.5mass% Mm addition to ACa63 was effective in the corrosion resistant to a certain extent without outstanding decrease of the creep resistance. Moreover, a practical corrosion rate was achieved by more than 0.01mass% Sr addition to ACaE6305. (4) A slight addition (0.01 mass%) of Sr to ACaE6305 was effective in improving the fluidity at a thin wall (1 mm) cavity with thixomolding.

Original languageEnglish
Pages (from-to)439-444
Number of pages6
JournalMaterials Science Forum
Issue numberI
Publication statusPublished - 2003 Jan 1
EventProceedings of the Second Osaka International Conference on Platform Science and Technology for Advanced Magnesium Alloys 2003 - Osaka, Japan
Duration: 2003 Jan 262003 Jan 30


  • Chemical composition
  • Corrosion resistance
  • Creep resistance
  • Fluidity
  • Magnesium alloy
  • Thixomolding

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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