Microstructure and Corrosion Resistance of Ti-Zr-Cu-Pd-Sn Glassy and Nanocrystalline Alloys

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The microstructure and corrosion behavior of the Ti<SUB>47.5</SUB>Zr<SUB>15</SUB>Cu<SUB>30</SUB>Pd<SUB>7.5</SUB>Sn<SUB>5</SUB> as-spun ribbons and as-cast rod have been investigated using HREM and potentiodynamic polarization study in simulated body fluids. The results of HREM reveal that, with decreasing cooling rate, the size and volume of nano-particles dispersed in glassy matrix increase for the Ti<SUB>47.5</SUB>Zr<SUB>15</SUB>Cu<SUB>30</SUB>Pd<SUB>7.5</SUB>Sn<SUB>5</SUB> as-prepared samples. The as-spun ribbons with small size nano-particle show high corrosion resistance in PBS(−) and Hanks' solution, may be due to the formation of CuZr phase, resulting in the enrichment of Ti and Pd in the glassy matrix, which is helpful to form protective passive film. Comparatively, poor corrosion resistance is observed for the as-cast rod sample with larger nano-particles in both solutions.

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  • Materials transactions  

    Materials transactions 48(2), 167-170, 2007-02-01 

    The Japan Institute of Metals and Materials

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各種コード

  • NII論文ID(NAID)
    10018508641
  • 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
    8623704
  • 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  NDL  J-STAGE 
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