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需給バランスから見る希土類資源の現状と将来予測

需給バランスから見る希土類資源の現状と将来予測

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2016/08/01

タイトル(英語): The Present and the Future of Rare Earth Resources Predicted from its Supply and Demand

著者名: 大橋 正広((株)三徳)

著者名(英語): Masahiro Ohashi (Santoku Corporation)

キーワード: レアアース,磁石,バランス,15元素  rare earth,magnet,balance,15 elements

要約(英語): The rare earths group consists of 15 elements from Lanthanum to Yttrium and these 15 elements are contained in the rare earths ores. The composition of each ore depends on the mine where the ore is mined. The fractions of 15 rare earth elements are, however, different from the global applications. Currently most of rare earth separating plants face a financial problem. The standard Cerium Oxide is now sold at around $3/kg, which cannot cover even only the operating cost in the rare earths separation plant. This problem is caused by the extreme unbalanced situation of supply and demand. There are large excesses of supply in Cerium, Yttrium and Samrium. This is not only the problem for the rare earth suppliers but also for users. All participants in the rare earth supply chain must take account of this problem and take actions to solve it.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.136 No.8 (2016) 特集:高性能永久磁石の最先端研究とその応用動向

本誌掲載ページ: 491-494 p

原稿種別: 解説論文/日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/136/8/136_491/_article/-char/ja/

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