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タイトル: Electrochemical Dy-Alloying Behaviors of Inconel and Hastelloy in Molten LiF–CaF₂–DyF₃
著者: Watanabe, Yusaku
Norikawa, Yutaro  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-0861-5443 (unconfirmed)
Yasuda, Kouji
Nohira, Toshiyuki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-4053-554X (unconfirmed)
著者名の別形: 渡邉, 祐作
法川, 勇太郎
安田, 幸司
野平, 俊之
キーワード: rare earth
molten salt
recycling
electrochemistry
fluoride
発行日: 1-Mar-2019
出版者: Japan Institute of Metals (JIM)
誌名: Materials Transactions
巻: 60
号: 3
開始ページ: 379
終了ページ: 385
抄録: The electrochemical Dy-alloying behaviors of Inconel 600 and Hastelloy C-276 were investigated in a molten LiF–CaF₂–DyF₃ (0.30 mol%) system at 1123 K. Cyclic voltammetry and open-circuit potentiometry suggested the formation of several phases of Dy–Ni alloys. Potentiostatic electrolysis was conducted to prepare alloy samples using Inconel 600 and Hastelloy C-276 plate electrodes at 0.20 V vs. Li⁺/Li for 60 min. Cross-sectional scanning electron microscopy revealed that Dy–Ni alloys were formed in both samples. X-ray diffraction analysis confirmed the formation of DyNi₂ as the predominant phase for both the samples. Phase separation of the alloy layer into the DyNi₂ phase and formation of the agglomerated Cr–Fe and Cr–Fe–Mo phases were indicated by EDX mapping analysis.
著作権等: ©2019 The Japan Institute of Metals and Materials
Publisher permitted to deposit the final published paper on this repository.
URI: http://hdl.handle.net/2433/237367
DOI(出版社版): 10.2320/matertrans.MA201805
出現コレクション:学術雑誌掲載論文等

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