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FERRITE SINTERED MAGNET, AND MANUFACTURING METHOD OF FERRITE SINTERED MAGNET
To provide a ferrite sintered magnet, less in dependency on calcination temperature, and capable of excellent magnetic property stably.SOLUTION: There is provided a ferrite sintered magnet containing a ferrite particle having a hexagonal structure, and containing metal elements with an atom ratio represented by the following formula (1). In the formula (1), R is at least one kind of element selected from a group consisting of rare earth element and Bi, and contains at least La. In the formula (1), w, x, z and m satisfy following formulae (2) to (5). The ferrite sintered magnet contains B of 0.037 to 0.181 mass% in terms of HBOconversion. CaRSrFeCo(1) 0.360≤w≤0.420 (2) 0.110≤x≤0.173 (3) 8.51≤z≤9.71 (4) 0.208≤m≤0.269 (5).SELECTED DRAWING: None
【課題】仮焼温度への依存が少なく、優れた磁気特性を安定して得ることが可能なフェライト焼結磁石を提供することを目的とする。【解決手段】本発明は、六方晶構造を有するフェライト粒子を含むフェライト焼結磁石であって、フェライト焼結磁石は金属元素を下記式（１）で表される原子比で含む、フェライト焼結磁石を提供する。式（１）中、Ｒは希土類元素及びＢｉからなる群より選ばれる少なくとも１種の元素であってＬａを少なくとも含む。式（１）中、ｗ、ｘ、ｚ及びｍは、下記式（２）〜（５）を満たす。上記フェライト焼結磁石はＢをＨ３ＢＯ３換算で０．０３７〜０．１８１質量％含む。Ｃａ１−ｗ−ｘＲｗＳｒｘＦｅｚＣｏｍ・・・（１）０．３６０≦ｗ≦０．４２０・・・（２）０．１１０≦ｘ≦０．１７３・・・（３）８．５１≦ｚ≦９．７１・・・（４）０．２０８≦ｍ≦０．２６９・・・（５）【選択図】なし
FERRITE SINTERED MAGNET, AND MANUFACTURING METHOD OF FERRITE SINTERED MAGNET
To provide a ferrite sintered magnet, less in dependency on calcination temperature, and capable of excellent magnetic property stably.SOLUTION: There is provided a ferrite sintered magnet containing a ferrite particle having a hexagonal structure, and containing metal elements with an atom ratio represented by the following formula (1). In the formula (1), R is at least one kind of element selected from a group consisting of rare earth element and Bi, and contains at least La. In the formula (1), w, x, z and m satisfy following formulae (2) to (5). The ferrite sintered magnet contains B of 0.037 to 0.181 mass% in terms of HBOconversion. CaRSrFeCo(1) 0.360≤w≤0.420 (2) 0.110≤x≤0.173 (3) 8.51≤z≤9.71 (4) 0.208≤m≤0.269 (5).SELECTED DRAWING: None
【課題】仮焼温度への依存が少なく、優れた磁気特性を安定して得ることが可能なフェライト焼結磁石を提供することを目的とする。【解決手段】本発明は、六方晶構造を有するフェライト粒子を含むフェライト焼結磁石であって、フェライト焼結磁石は金属元素を下記式（１）で表される原子比で含む、フェライト焼結磁石を提供する。式（１）中、Ｒは希土類元素及びＢｉからなる群より選ばれる少なくとも１種の元素であってＬａを少なくとも含む。式（１）中、ｗ、ｘ、ｚ及びｍは、下記式（２）〜（５）を満たす。上記フェライト焼結磁石はＢをＨ３ＢＯ３換算で０．０３７〜０．１８１質量％含む。Ｃａ１−ｗ−ｘＲｗＳｒｘＦｅｚＣｏｍ・・・（１）０．３６０≦ｗ≦０．４２０・・・（２）０．１１０≦ｘ≦０．１７３・・・（３）８．５１≦ｚ≦９．７１・・・（４）０．２０８≦ｍ≦０．２６９・・・（５）【選択図】なし
FERRITE SINTERED MAGNET, AND MANUFACTURING METHOD OF FERRITE SINTERED MAGNET
フェライト焼結磁石及びフェライト焼結磁石の製造方法
IKEDA MAKI (author) / MORITA HIROYUKI (author) / MURAKAWA KIDO (author) / MURASE TAKU (author)
2019-10-10
Patent
Electronic Resource
Japanese
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