Cold-Rolled Zr_<50>Cu_<30>Ni_<10>Al_<10> Bulk Amorphous Alloys with Tensile Plastic Elongation at Room Temperature

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Controlling the cold-rolled structure of the shear-band network in Zr<SUB>50</SUB>Cu<SUB>30</SUB>Ni<SUB>10</SUB>Al<SUB>10</SUB> bulk amorphous alloys can enhance the tensile plastic deformability at room temperature Cold-rolling is useful for controlling the shear band network structure in bulk amorphous alloys. The cold-rolled structure in a bulk amorphous alloy is classified into two regions, the deformed shear-band region and non-deformed block region. Since the pre-deformed shear-band region moves more easily than the non-deformed region, the pre-deformed shear-band network movement is able to release applied tensile strain. Consequently, plastic tensile strain can be obtained in a cold-rolled bulk amorphous alloy by systematical movement of the shear-band network. In this study, we obtained a maximum tensile plastic strain of about 0.25% in 10% cold-rolled Zr<SUB>50</SUB>Cu<SUB>30</SUB>Ni<SUB>10</SUB>Al<SUB>10</SUB> bulk amorphous alloy. The tensile fracture surface was composed of many step marks leading to the pre-introduced shear band movement.

収録刊行物

  • Materials transactions

    Materials transactions 43(12), 3199-3205, 2002-12-01

    公益社団法人 日本金属学会

参考文献:  19件中 1-19件 を表示

被引用文献:  4件中 1-4件 を表示

各種コード

  • NII論文ID(NAID)
    10012329535
  • NII書誌ID(NCID)
    AA1151294X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13459678
  • NDL 記事登録ID
    6395556
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z53-J286
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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