Mechanical Properties of Magnesium Alloys Produced by Powder Metallurgy Method.

DOI Web Site 12 Citations 8 References
  • Iwasaki Hajime
    Department of Materials Science and Engineering, Himeji Institute of Technology
  • Yanase Kisho
    Graduate School, Himeji Institute of Technology
  • Mori Takasuke
    Department of Materials Science and Engineering, Himeji Institute of Technology
  • Mabuchi Mamoru
    National Industrial Research Institute of Nagoya
  • Higashi Kenji
    Department of Mechanical Systems Engineering, Osaka Prefecture University

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  • 粉末冶金法により作製したマグネシウム合金の機械的性質
  • フンマツ ヤキンホウ ニ ヨリ サクセイシタ マグネシウム ゴウキン ノ キカ

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Abstract

In this work, ZK61 (Mg-6.0mass%Zn-0.7mass%Zr) and AZ91 (Mg-9.0mass%Al-0.7mass%Zn) Mg alloys were prepared by P/M method with fine alloy powders and the mechanical properties at room temperature and the superplastic properties at 573K for the P/M Mg alloys have been investigated comparing with those for ingot-metallurgy processed(I/M) ZK60 and AZ91 Mg alloys. The P/M Mg alloys exhibited higher strength and higher 0.2% proof stress at room temperature, than those for the I/M Mg alloys. The P/M Mg alloys showed superplastic behavior at 1-order higher strain rates than the I/M Mg alloys. It is likely that these excellent mechanical properties for the P/M Mg alloys are attributed to the very small grain sizes.

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