Ca過剰総量がCa-La-Co系フェライト焼結磁石の諸特性に与える影響

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): Effects of Ca Excess Total Amount on the Magnetic and Physical Properties of Ca-La-Co Ferrite Sintered Magnets

著者名: 小原　学（明治大学），垣見　悠太（明治大学）

著者名(英語): Gaku Obara (Meiji University), Yuta Kakimi (Meiji University)

キーワード: Ca-La-Co系 M型フェライト，Ca過剰総量，途中添加物，磁気特性　　Ca-La-Co M-type ferrites，Ca excess total amount，inter-additives，magnetic properties

要約(英語): It was reported that excessively added Ca at the timing of raw materials mixing and added CaO before sintering have a close relationship on the magnetic and physical properties of Ca-La-Co ferrite sintered magnets. In this study, the effects of the total amount and the ratio of excessively added Ca at the timing of raw materials mixing and before sintering on the magnetic and physical properties are discussed. The results show that the coercive force at low sintering temperature and the magnetization of sintered samples at the same density decrease with an increase the Ca excess total amount. Moreover, the magnetization at the same density decrease, and the density of sintered samples at same sintering temperature gradually increase with an increase excessively added Ca at the timing of raw materials mixing.

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: 503-508 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/136/8/136_503/_article/-char/ja/