High Temperature Mössbauer Study of Order-Disorder Transformation in Iron-Aluminum Alloys

• Oki Kensuke

  Department of Materials Science and Technology, Kyushu University

• Yamamura Akihiko

  Graduate School, Kyushu University

• Kudo Kazunao

  Graduate School, Kyushu University

• Eguchi Tetsuo

  Department of Materials Science and Technology, Kyushu University

書誌事項

タイトル別名

• High Temperature Mössbauer Study of Order-Disorder Transformation in Iron-Aluminum Alloys

抄録

Ordering process of iron rich Fe–Al alloys has been investigated at elevated temperatures by mean of Mössbauer spectroscopy. The observed spectra are analyzed to obtain the temperature dependences of the internal field, isomer shift and line width, and the results are discussed in connection with the ordering process. The alloy with 24.7 at% Al exhibits spectra, which are characteristic of the superposition of a single-line spectrum and a six-line one, originating from the ordered para-magnetic B2 or DO₃ state and disordered ferromagnetic α, respectively, and the results confirm the coexistence of α phase with B2 or DO₃. The isomer shift of the paramagnetic component of the spectra shows discontinuous changes at the temperatures of transformation α\ ightleftarrowsB2 and B2\ ightleftarrowsDO₃.

収録刊行物

• Transactions of the Japan Institute of Metals

  Transactions of the Japan Institute of Metals 20 (8), 451-458, 1979

  社団法人 日本金属学会

キーワード

• General Engineering

詳細情報

• CRID: 1390001205117623680
• NII論文ID: 130003485771
• DOI: 10.2320/matertrans1960.20.451
• COI: 1:CAS:528:DyaE1MXlvVGksr0%3D
• ISSN: 24324701
• ISSN: 00214434
• Web Site: https://www.jstage.jst.go.jp/article/matertrans1960/20/8/20_8_451/_pdf
• 本文言語コード: en
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