High Specific Strength and Improved Ductility of Bulk (Mg0.65Cu0.25Gd0.1)100-xTix Metallic Glass Composites

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  • Li Fushan
    School of Materials Science and Engineering, Zhengzhou University Institute for Materials Research, Tohoku University
  • Guan Shaokang
    School of Materials Science and Engineering, Zhengzhou University
  • Shen Baolong
    Institute for Materials Research, Tohoku University
  • Makino Akihiro
    Institute for Materials Research, Tohoku University
  • Inoue Akihisa
    Institute for Materials Research, Tohoku University

書誌事項

タイトル別名
  • High Specific Strength and Improved Ductility of Bulk (Mg<SUB>0.65</SUB>Cu<SUB>0.25</SUB>Gd<SUB>0.1</SUB>)<SUB>100−<I>x</I></SUB>Ti<I><SUB>x</SUB></I> Metallic Glass Composites
  • High Specific Strength and Improved Ductility of Bulk (Mg<SUB>0.65</SUB>Cu<SUB>0.25</SUB>Gd<SUB>0.1</SUB>)<SUB>100&minus;<I>x</I></SUB>Ti<I><SUB>x</SUB></I> Metallic Glass Composites
公開日
2007
資源種別
journal article
DOI
  • 10.2320/matertrans.mrp2007181
公開者
公益社団法人 日本金属学会

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説明

The monolithic Mg65Cu25Gd10 bulk metallic glass always shows brittle fracture with a plastic strain of near zero even under a compressive load. Improved ductility and enhanced compressive strength were simultaneously achieved at room temperature in (Mg0.65Cu0.25Gd0.1)100−xTix (x=0, 2.5, 5 and 7.5 at%) metallic glass composites. The compressive strength (σf) reached 940 MPa, and a plastic strain (εp) of about 0.8% was undergone for the bulk metallic glass composite at x=5. The glass composites were formed by doping Mg65Cu25Gd10 bulk metallic glass with adequate lightweight titanium with a density near that of Mg65Cu25Gd10 bulk metallic glass. The composite sustains the features of lightweight and very high specific strength which are the same as those of the Mg-based bulk metallic glass. Thus, the addition of Ti does not cause distinctly harmful influence on the glass-formation ability of the matrix glass.

収録刊行物

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 48 (12), 3193-3196, 2007

    公益社団法人 日本金属学会

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