CN111233451A - 一种高Bs、高频低损耗磁性材料 - Google Patents

一种高Bs、高频低损耗磁性材料 Download PDF

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CN111233451A
CN111233451A CN201811437823.5A CN201811437823A CN111233451A CN 111233451 A CN111233451 A CN 111233451A CN 201811437823 A CN201811437823 A CN 201811437823A CN 111233451 A CN111233451 A CN 111233451A
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李前军
颜茂山
校荣升
王亮
邰阿强
袁翔
马鑫圣
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Taizhou Maoxiang Electronic Equipment & Materials Co ltd
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Abstract

本发明涉及磁性材料技术领域，尤其涉及一种高Bs、高频低损耗磁性材料。本发明采用的技术方案是：配方组成范围如下：氧化铁(Fe2O3)：66.5～68.5wt％；四氧化三锰(Mn3O4)24.5～26.3wt％；氧化锌(ZnO)4.5～5.8wt％；氧化亚镍(NiO)1.0～3.0wt％；五氧化二铌(Nb2O5)200～600ppm；四氧化三钴(Co3O4)500～2000ppm；二氧化铋(BiO2)0～300ppm；五氧化二钒(V2O5)00～600ppm；氧化铟(In2O3)0～200ppm；二氧化锡(SnO2)100～400ppm。本发明的优点是：实现了在具备高Bs的情况下，又实现了高频低损耗的特性要求，可以满足现代电子设备小型化和高频化的要求，从而提高了它的使用范围和使用过程中的稳定性。

Description

一种高Bs、高频低损耗磁性材料
技术领域
本发明涉及磁性材料技术领域，尤其涉及一种高Bs、高频低损耗磁性材料。
背景技术
现代电子设备向小型化和高频化方向发展已经成为必然趋势，而作为其中的核心器件-磁性组件势必也必须实现小型化和高频化，这样对作为磁性组件中的核心基础材料—磁性材料提出的更高的特性要求，且对材料特性的分类要求更加细化和专业化。。
发明内容
本发明的目的是提供一种高Bs、高频低损耗磁性材料，该材料具有高的磁饱和强度Bs和高频低损耗，该材料的使用可以有效的减小在高频状态下使用的磁芯的体积，该材料命名为MBP93铁氧体材料，实现了在具备高Bs的情况下，又实现了高频低损耗的特性要求，可以满足现代电子设备小型化和高频化的要求，从而提高了它的使用范围和使用过程中的稳定性。
本发明的技术方案如下：
一种高Bs、高频低损耗磁性材料，其特征在于：由氧化铁、四氧化三锰、氧化锌、氧化亚镍四种主要原材料组成基础配方并加入添加物构成，其配方组成范围如下：
Figure BDA0001882565340000011
Figure BDA0001882565340000021
进一步的，成份组成为：
Figure BDA0001882565340000022
Figure BDA0001882565340000031
进一步的，成份组成为：
Figure BDA0001882565340000032
进一步的，成份组成为：
Figure BDA0001882565340000033
Figure BDA0001882565340000041
进一步的，成份组成为：
Figure BDA0001882565340000042
进一步的，成份组成为：
Figure BDA0001882565340000043
Figure BDA0001882565340000051
本发明的有益效果：
本发明具有高的磁饱和强度Bs和高频低损耗，该材料的使用可以有效的减小在高频状态下使用的磁芯的体积，该材料命名为MBP93铁氧体材料，实现了在具备高Bs的情况下，又实现了高频低损耗的特性要求，可以满足现代电子设备小型化和高频化的要求，从而提高了它的使用范围和使用过程中的稳定性。
具体实施方式
一种高Bs、高频低损耗磁性材料在生产加工时，选择物化活性好、且满足软磁铁氧体使用要求的配方组成原辅材料，按不同的配方比例将组成原辅材料充分混合后，经过一次振磨、轧片、整形、预烧、二次振磨、砂磨超细粉碎、制浆、配方分析与调整、烘干、造粒及筛分等工艺制备流程后，完成MBP93软磁铁氧体材料颗粒料的制备，通过对颗粒料进行试压和试烧试验，试压的样品选择为H25/15/10磁环，并对样品进行相关电磁特性检测与分析。
使用合格的MBP93材料进行相应铁氧体磁芯的制造，磁芯制造的主要工艺流程为：颗粒料调湿、成型、烧结、研磨、清洁、分测、包装。该材料具有高的磁饱和强度Bs和高频低损耗，该材料的使用可以有效的减小在高频状态下使用的磁芯的体积，该材料命名为MBP93铁氧体材料，实现了在具备高Bs的情况下，又实现了高频低损耗的特性要求，可以满足现代电子设备小型化和高频化的要求，从而提高了它的使用范围和使用过程中的稳定性
实施例一，一种高Bs、高频低损耗磁性材料，成份组成为：
Figure BDA0001882565340000061
实施例二，成份组成为：
Figure BDA0001882565340000062
Figure BDA0001882565340000071
实施例三，成份组成为：
Figure BDA0001882565340000072
实施例四，成份组成为：
Figure BDA0001882565340000073
Figure BDA0001882565340000081
实施例五，成份组成为：
Figure BDA0001882565340000082
与现有材料性能比较
Figure BDA0001882565340000091
各实施例与现有技术中对照例材料制成磁芯性能对照表
Figure BDA0001882565340000092
由上表数据可以看出：本项发明开发的MBP93材料其Bs略低于MB90材料，但远高于MP50材料，而高频下的磁芯损耗，大于MP50材料，但远低于MB90材料，实现了在具备高Bs的情况下，又实现了高频低损耗的特性要求，可以满足现代电子设备小型化和高频化的要求。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明所述原理的前提下，还可以作出若干改进或替换，这些改进或替换也应视为本发明的保护范围。

Claims (6)

1.一种高Bs、高频低损耗磁性材料，其特征在于：由氧化铁、四氧化三锰、氧化锌、氧化亚镍四种主要原材料组成基础配方并加入添加物构成，其配方组成范围如下：
Figure FDA0001882565330000011
2.根据权利要求1所述的一种高Bs、高频低损耗磁性材料，其特征在于，由以下成份组成：
Figure FDA0001882565330000012
Figure FDA0001882565330000021
3.根据权利要求1所述的一种高Bs、高频低损耗磁性材料，其特征在于，由以下成份组成：
Figure FDA0001882565330000022
Figure FDA0001882565330000031
4.根据权利要求1所述的一种高Bs、高频低损耗磁性材料，其特征在于，由以下成份组成：
Figure FDA0001882565330000032
5.根据权利要求1所述的一种高Bs、高频低损耗磁性材料，其特征在于，由以下成份组成：
Figure FDA0001882565330000033
Figure FDA0001882565330000041
6.根据权利要求1所述的一种高Bs、高频低损耗磁性材料，其特征在于，由以下成份组成：
Figure FDA0001882565330000042
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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6149402A (ja) * 1984-08-17 1986-03-11 Tdk Corp 高周波電源トランス用磁芯
CN101183582A (zh) * 2006-12-29 2008-05-21 横店集团东磁股份有限公司 高饱和磁通密度低损耗NiMnZn功率铁氧体及其制备方法
US20100078587A1 (en) * 2008-09-30 2010-04-01 Tdk Corporation NiMnZn-BASED FERRITE
CN102219486A (zh) * 2011-04-16 2011-10-19 江门安磁电子有限公司 一种高温低损耗MnZn铁氧体磁心及其制造方法
CN102682946A (zh) * 2012-05-30 2012-09-19 江门安磁电子有限公司 一种兼具双重特性的MnZn铁氧体磁心及制造方法
CN103058643A (zh) * 2013-01-14 2013-04-24 苏州天源磁业有限公司 宽温高叠加低功耗Mn-Zn软磁铁氧体材料及制备方法
CN104934181A (zh) * 2015-04-22 2015-09-23 横店集团东磁股份有限公司 一种软磁MnZn系功率铁氧体
JP2016113330A (ja) * 2014-12-16 2016-06-23 Tdk株式会社 フェライトコア、電子部品、及び、電源装置
CN105819847A (zh) * 2016-03-16 2016-08-03 横店集团东磁股份有限公司 兼具高Bs和高ui的MnZn铁氧体材料及其制备方法
CN106007696A (zh) * 2016-05-13 2016-10-12 泰州茂翔电子器材有限公司 一种宽温高Bs铁氧体材料及其制备工艺
CN106007697A (zh) * 2016-05-13 2016-10-12 泰州茂翔电子器材有限公司 一种高Bs低损耗软磁材料及其制备工艺
CN106830913A (zh) * 2017-03-22 2017-06-13 天通控股股份有限公司 一种高频低损耗高饱和磁通密度软磁铁氧体材料及其制备方法
CN107200574A (zh) * 2017-05-12 2017-09-26 天长市中德电子有限公司 一种低损耗软磁铁氧体材料
CN108640670A (zh) * 2018-04-26 2018-10-12 湖北华磁电子科技有限公司 高Bs值、低功率损耗软磁铁氧体材料及磁芯的制备方法

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6149402A (ja) * 1984-08-17 1986-03-11 Tdk Corp 高周波電源トランス用磁芯
CN101183582A (zh) * 2006-12-29 2008-05-21 横店集团东磁股份有限公司 高饱和磁通密度低损耗NiMnZn功率铁氧体及其制备方法
US20100078587A1 (en) * 2008-09-30 2010-04-01 Tdk Corporation NiMnZn-BASED FERRITE
CN102219486A (zh) * 2011-04-16 2011-10-19 江门安磁电子有限公司 一种高温低损耗MnZn铁氧体磁心及其制造方法
CN102682946A (zh) * 2012-05-30 2012-09-19 江门安磁电子有限公司 一种兼具双重特性的MnZn铁氧体磁心及制造方法
CN103058643A (zh) * 2013-01-14 2013-04-24 苏州天源磁业有限公司 宽温高叠加低功耗Mn-Zn软磁铁氧体材料及制备方法
JP2016113330A (ja) * 2014-12-16 2016-06-23 Tdk株式会社 フェライトコア、電子部品、及び、電源装置
CN104934181A (zh) * 2015-04-22 2015-09-23 横店集团东磁股份有限公司 一种软磁MnZn系功率铁氧体
CN105819847A (zh) * 2016-03-16 2016-08-03 横店集团东磁股份有限公司 兼具高Bs和高ui的MnZn铁氧体材料及其制备方法
CN106007696A (zh) * 2016-05-13 2016-10-12 泰州茂翔电子器材有限公司 一种宽温高Bs铁氧体材料及其制备工艺
CN106007697A (zh) * 2016-05-13 2016-10-12 泰州茂翔电子器材有限公司 一种高Bs低损耗软磁材料及其制备工艺
CN106830913A (zh) * 2017-03-22 2017-06-13 天通控股股份有限公司 一种高频低损耗高饱和磁通密度软磁铁氧体材料及其制备方法
CN107200574A (zh) * 2017-05-12 2017-09-26 天长市中德电子有限公司 一种低损耗软磁铁氧体材料
CN108640670A (zh) * 2018-04-26 2018-10-12 湖北华磁电子科技有限公司 高Bs值、低功率损耗软磁铁氧体材料及磁芯的制备方法

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