Glass-Forming Ability and Thermal Stability of Ti-Zr-Cu-Pd-Si Bulk Glassy Alloys for Biomedical Applications

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The thermal properties, glass forming ability (GFA) and mechanical properties of a series of Ti<SUB>40</SUB>Zr<SUB>10</SUB>Cu<SUB>40−<I>x</I></SUB>Pd<SUB>10</SUB>Si<I><SUB>x</SUB></I> (<I>x</I>=0, 1, 2) bulk glassy alloys were examined by differential scanning calorimetry (DSC), differential thermal analysis (DTA), X-ray diffractometry (XRD) and compression test. The bulk glassy alloys are expected to be used as biomedical materials because of the absence of toxic elements such as Ni, Al and Be. The glass-forming ability and thermal stability of the Ti–Zr–Cu–Pd alloy can be improved by a small amount of Si addition. The critical diameters for glass formation are 5 mm for both Ti<SUB>40</SUB>Zr<SUB>10</SUB>Cu<SUB>39</SUB>Pd<SUB>10</SUB>Si<SUB>1</SUB> and Ti<SUB>40</SUB>Zr<SUB>10</SUB>Cu<SUB>38</SUB>Pd<SUB>10</SUB>Si<SUB>2</SUB> alloys. A large supercooled liquid region of 65 K was obtained for the Ti<SUB>40</SUB>Zr<SUB>10</SUB>Cu<SUB>38</SUB>Pd<SUB>10</SUB>Si<SUB>2</SUB> bulk glassy alloy. The bulk glassy alloys have higher compressive strength of over 1900 MPa and lower Young's modulus below 85 GPa as compared with conventional biomedical Ti alloys.

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  • Materials transactions  

    Materials transactions 48(2), 163-166, 2007-02-01 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018508618
  • 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
    8623690
  • 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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