Neutron Activation Analysis of Ultrahigh-Purity Ti-Al Alloys in Comparison with Glow-Discharge Mass Spectrometry

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Neutron activation analysis (NAA) of ultrahigh-purity Ti–Al alloys has been performed without chemical treatments using normal and graphite-shielded irradiations. The Ti–Al alloys were made of ultrahigh-purity Ti (99.9999 mass% or 99.995 mass%) and Al (99.9998 mass%) by melting in ultrahigh vacuum with a copper-crucible induction-heating furnace. Concentrations and detection limits were evaluated for 35 impurity elements analyzed also by glow-discharge mass spectrometry. Seven impurity elements As, Cu, Ga, Na, Mn, Sb and W were detected by NAA. The sensitivities of NAA for Ga, In, Mn, Sb and Sc were better than those of glow-discharge mass spectrometry. Differences between the two analytical methods were mostly acceptable. The effectiveness of the graphite-shielded irradiation to suppress fast neutron reactions was clearly demonstrated.

収録刊行物

  • Materials transactions

    Materials transactions 43(2), 116-120, 2002-02-01

    公益社団法人 日本金属学会

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各種コード

  • NII論文ID(NAID)
    10012320650
  • 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
    6085470
  • 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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