Ａｌ‐Ｆｅ合金における準安定Ａｌ‐Ｆｅ相の高温加熱時の組織

• 小菅 張弓

  (株)日本軽金属総合研究所

• 高田 秀男

  (株)日本軽金属総合研究所

書誌事項

タイトル別名

• Phase change of the metastable phases in Al-Fe alloys at elevated temperatures
• Al Fe ゴウキン ニ オケル ジュン アンテイ Al Feソウ ノ コウオ

抄録

Rapidly solidifed Al-0.6%Fe and Al-0.8%Fe-0.1%Mg alloys containing metastable Al₆Fe and Al_mFe were isochronally and isothermally heated at elevated temperatures. X-ray diffraction and optical and transmission electron microscopies were carried out on the phase change of these metastable phases. The metastable phases are directly transformed into stable Al₃Fe not through any intermediate compound. The phase change mainly proceeds in the following process; that is, dissolution of the metastable phase in matrix and precipitation of Al₃Fe phase at fresh sites of dendrite cell boundaries. The activation energy for the change is evaluated to be 70±10kcal/mol. The rate determining step of the change seems to be diffusion of Fe atoms in Al matrix.

収録刊行物

• 軽金属

  軽金属 29 (2), 64-69, 1979

  一般社団法人 軽金属学会

キーワード

• Materials Chemistry
• Metals and Alloys
• Mechanical Engineering
• Mechanics of Materials

詳細情報

• CRID: 1390282681315140480
• NII論文ID: 130004208071
• NII書誌ID: AN00069773
• DOI: 10.2464/jilm.29.64
• ISSN: 18808018
• ISSN: 04515994
• NDL書誌ID: 2041450
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I2041450
• 本文言語コード: ja
• データソース種別:
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  • NDL
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  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可