Al-Si合金ろう材の電気化学的性質 Electrochemical property of Al-Si alloy brazing filler

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著者

    • 黒田 周 KURODA Shuu
    • 三菱アルミニウム(株)技術開発センター Technical Development Center, Mitsubishi Aluminum Co., Ltd.
    • 当摩 建 TOHMA Ken
    • 三菱アルミニウム(株)技術開発センター Technical Development Center, Mitsubishi Aluminum Co., Ltd.

抄録

To investigate localized corrosion characteristics of Al–Si alloy brazing filler, electrochemical measurements as well as immersion corrosion tests were carried out. Selective dissolution of eutectic phase occurred in the filler after brazing. On the other hand, no selective dissolution occurred in the filler with solution heat treatment after brazing. Pitting potential increased with increasing Si content in solid solution. Though cathodic reaction rate increased with an increase in Si content of the filler, the effect of Si itself was rather small. It was concluded that the localized corrosion of filler is caused by smaller Si content in solid solution at eutectic than that at primary α phase, and that matrix/Si particle interface acts as a more active cathode than matrix and Si particle.

収録刊行物

  • 軽金属

    軽金属 46(3), 113-118, 1996-03-30

    The Japan Institute of Light Metals

参考文献:  8件中 1-8件 を表示

被引用文献:  5件中 1-5件 を表示

各種コード

  • NII論文ID(NAID)
    10003793524
  • NII書誌ID(NCID)
    AN00069773
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    04515994
  • NDL 記事登録ID
    3936713
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-284
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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