CN109694245A - 一种高电阻率软磁铁氧体磁芯及其加工方法 - Google Patents

一种高电阻率软磁铁氧体磁芯及其加工方法 Download PDF

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CN109694245A
CN109694245A CN201811473965.7A CN201811473965A CN109694245A CN 109694245 A CN109694245 A CN 109694245A CN 201811473965 A CN201811473965 A CN 201811473965A CN 109694245 A CN109694245 A CN 109694245A
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magnetic core
magnetic ferrite
ferrite magnetic
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徐杰
周福林
张文军
曾性儒
王玉志
张宗仁
徐尔明
董文龙
陶天亮
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TIANCHANG CITY ZHAOTIAN MAGNETOELECTRICITY TECHNOLOGY Co Ltd
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Abstract

本发明提供一种高电阻率软磁铁氧体磁芯及其加工方法。本发明的高电阻率软磁铁氧体磁芯，其特征在于：其原料按照重量份计包括：三氧化二铁53‑56份、氧化锌6‑11份、氧化锰27‑31份、氢氧化铜3‑5份、三氧化二镍2.5‑3.6份、聚丙烯酸钠0.9‑1.3份、硅溶胶0.4‑0.7份、聚乙烯醇0.7‑1.1份、聚酰胺树脂1.2‑1.6份、硅酸钠0.7‑1.3份，去离子水3‑7份。本发明的软磁铁氧体磁芯电阻率更高，在交变磁场下涡流损耗小，成为制造高频变压器，宽带变压器，可调电感器和其他的高频电路等应用的理想材料。

Description

一种高电阻率软磁铁氧体磁芯及其加工方法
技术领域：
本发明涉及一种高电阻率软磁铁氧体磁芯及其加工方法，属于软磁铁材料生产技术领域。
背景技术：
软磁材料是伴随着电力电工及电讯技术的兴起而出现的，应用范围极其广泛，不仅应用于家电领域、信息化领域、汽车领域和其他配套领域，更主要的是作为电子元器件生产的主要原材料为其带来了源源不断的需求。铁氧体磁芯是由致密匀质的陶瓷结构非金属磁性材料制成，有低矫顽力，亦称为软磁铁氧体。铁氧体磁芯由氧化铁和一种或几种其他金属的氧化物或碳酸盐化合物组成，原料通过压制，后经1300度的高温烧结，最后通过机器加工制成满足应用需求的成品磁芯。软磁铁氧体磁芯不使用镍等稀缺材料也能得到高磁导率，粉末冶金方法又适宜于大批量生产，因此成本低，又因为是烧结物硬度大、对应力不敏感，在应用上很方便。随着软磁铁氧体的出现，磁粉芯的生产大大减少了，很多原来使用磁粉芯的地方均被软磁铁氧体所代替。近年来，软磁铁氧体磁芯的市场需求量逐年上升，产品种类也日益增多，成为磁性材料行业发展的一大亮点。由于科学技术的飞速发展，对软磁材料的要求也更高，现有的软磁铁磁芯已经无法满足市场的广泛要求。
发明内容
本发明的目的是针对上述存在的问题，提供一种高电阻率软磁铁氧体磁芯及其加工方法，通过对软磁铁氧体磁芯材料成分的合理配比，烧结工艺的改进，使得本申请的软磁铁氧体磁芯电阻率更高，在交变磁场下涡流损耗小，成为制造高频变压器，宽带变压器，可调电感器和其他的高频电路等应用的理想材料。
上述的目的通过以下技术方案实现：
一种高电阻率软磁铁氧体磁芯，其原料按照重量份计包括：三氧化二铁53-56份、氧化锌6-11份、氧化锰27-31份、氢氧化铜3-5份、三氧化二镍2.5-3.6份、聚丙烯酸钠0.9-1.3份、硅溶胶0.4-0.7份、聚乙烯醇0.7-1.1份、聚酰胺树脂1.2-1.6份、硅酸钠0.7-1.3份，去离子水3-7份。
所述的高电阻率软磁铁氧体磁芯，其原料按照重量份计包括：三氧化二铁55份、氧化锌8份、氧化锰29份、氢氧化铜4份、三氧化二镍2.9份、聚丙烯酸钠1.0份、硅溶胶0.6份、聚乙烯醇0.9份、聚酰胺树脂1.5份、硅酸钠1.1份，去离子水6份。
上述高电阻率软磁铁氧体磁芯的加工方法，该方法包括：
（1）按重量份数取三氧化二铁、氧化锌、氧化锰、氢氧化铜、三氧化二镍混合后磨成粒度为300目以下；
（2）按重量份数将聚丙烯酸钠、硅溶胶、聚乙烯醇、聚酰胺树脂、硅酸钠，去离子水在130-145℃的条件下充分搅拌混合；
（3）将步骤（1）和步骤（2）制备的产物进行喷雾造粒；
（4）对喷雾造粒后的产物进行压制成型；
（5）烧结；
（6）打磨、清洗、检测。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（3）中所述的喷雾造粒的粒度为50-80μm的颗粒。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（5）中所述的烧结的温度为1150-1250℃。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（5）中所述的烧结是在氩气保护下进行。
有益效果：
与现有技术相比，本发明具有以下有益效果：
本发明通过对软磁铁氧体磁芯材料成分的合理配比，烧结工艺的改进，使得本申请的软磁铁氧体磁芯电阻率更高，在交变磁场下涡流损耗小，成为制造高频变压器，宽带变压器，可调电感器和其他的高频电路等应用的理想材料。
具体实施方式
下面结合具体实施方式，进一步阐明本发明，应理解下述具体实施方式仅用于说明本发明而不用于限制本发明的范围。
实施例1：
一种高电阻率软磁铁氧体磁芯，其原料按照重量份计包括：三氧化二铁55份、氧化锌8份、氧化锰29份、氢氧化铜4份、三氧化二镍2.9份、聚丙烯酸钠1.0份、硅溶胶0.6份、聚乙烯醇0.9份、聚酰胺树脂1.5份、硅酸钠1.1份，去离子水6份。
上述高电阻率软磁铁氧体磁芯的加工方法，该方法包括：
（1）按重量份数取三氧化二铁、氧化锌、氧化锰、氢氧化铜、三氧化二镍混合后磨成粒度为300目以下；
（2）按重量份数将聚丙烯酸钠、硅溶胶、聚乙烯醇、聚酰胺树脂、硅酸钠，去离子水在130-145℃的条件下充分搅拌混合；
（3）将步骤（1）和步骤（2）制备的产物进行喷雾造粒；
（4）对喷雾造粒后的产物进行压制成型；
（5）烧结；
（6）打磨、清洗、检测。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（3）中所述的喷雾造粒的粒度为50-80μm的颗粒。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（5）中所述的烧结的温度为1150-1250℃。
所述的高磁导率软磁铁氧体磁芯的加工方法，步骤（5）中所述的烧结是在氩气保护下进行。
实施例2：
本实施例与实施例1的不同之处在于：本实施例中高电阻率软磁铁氧体磁芯，其原料按照重量份计包括：三氧化二铁53份、氧化锌11份、氧化锰27份、氢氧化铜5份、三氧化二镍2.5份、聚丙烯酸钠1.3份、硅溶胶0.4份、聚乙烯醇1.1份、聚酰胺树脂1.2份、硅酸钠1.3份，去离子水3份。
实施例3：
本实施例与实施例1的不同之处在于：本实施例中高电阻率软磁铁氧体磁芯，其原料按照重量份计包括：三氧化二铁56份、氧化锌6份、氧化锰31份、氢氧化铜3份、三氧化二镍3.6份、聚丙烯酸钠0.9份、硅溶胶0.7份、聚乙烯醇0.7份、聚酰胺树脂1.6份、硅酸钠0.7份，去离子水7份。

Claims (6)

1.一种高电阻率软磁铁氧体磁芯，其特征在于：其原料按照重量份计包括：三氧化二铁53-56份、氧化锌6-11份、氧化锰27-31份、氢氧化铜3-5份、三氧化二镍2.5-3.6份、聚丙烯酸钠0.9-1.3份、硅溶胶0.4-0.7份、聚乙烯醇0.7-1.1份、聚酰胺树脂1.2-1.6份、硅酸钠0.7-1.3份，去离子水3-7份。
2.根据权利要求1所述的高电阻率软磁铁氧体磁芯，其特征在于：其原料按照重量份计包括：三氧化二铁55份、氧化锌8份、氧化锰29份、氢氧化铜4份、三氧化二镍2.9份、聚丙烯酸钠1.0份、硅溶胶0.6份、聚乙烯醇0.9份、聚酰胺树脂1.5份、硅酸钠1.1份，去离子水6份。
3.一种上述高电阻率软磁铁氧体磁芯的加工方法，其特征在于：该方法包括：
（1）按重量份数取三氧化二铁、氧化锌、氧化锰、氢氧化铜、三氧化二镍混合后磨成粒度为300目以下；
（2）按重量份数将聚丙烯酸钠、硅溶胶、聚乙烯醇、聚酰胺树脂、硅酸钠，去离子水在130-145℃的条件下充分搅拌混合；
（3）将步骤（1）和步骤（2）制备的产物进行喷雾造粒；
（4）对喷雾造粒后的产物进行压制成型；
（5）烧结；
（6）打磨、清洗、检测。
4.根据权利要求3所述的高磁导率软磁铁氧体磁芯的加工方法，其特征在于：步骤（3）中所述的喷雾造粒的粒度为50-80μm的颗粒。
5.根据权利要求3所述的高磁导率软磁铁氧体磁芯的加工方法，其特征在于：步骤（5）中所述的烧结的温度为1150-1250℃。
6.根据权利要求3所述的高磁导率软磁铁氧体磁芯的加工方法，其特征在于：步骤（5）中所述的烧结是在氩气保护下进行。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104891977A (zh) * 2015-04-24 2015-09-09 马鞍山科信咨询有限公司 一种高频细晶粒软磁铁氧体磁体材料及其制备方法
CN105060874A (zh) * 2015-08-10 2015-11-18 天长市昭田磁电科技有限公司 一种增大电阻率的锰锌铁氧体材料
CN105070454A (zh) * 2015-08-21 2015-11-18 天长市昭田磁电科技有限公司 一种高机械强度铁氧体磁芯材料
CN105976970A (zh) * 2016-03-16 2016-09-28 天长市昭田磁电科技有限公司 一种用于变压器的铁氧体磁芯材料
CN105967671A (zh) * 2016-03-16 2016-09-28 天长市昭田磁电科技有限公司 一种高性能铁氧体磁芯材料

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104891977A (zh) * 2015-04-24 2015-09-09 马鞍山科信咨询有限公司 一种高频细晶粒软磁铁氧体磁体材料及其制备方法
CN105060874A (zh) * 2015-08-10 2015-11-18 天长市昭田磁电科技有限公司 一种增大电阻率的锰锌铁氧体材料
CN105070454A (zh) * 2015-08-21 2015-11-18 天长市昭田磁电科技有限公司 一种高机械强度铁氧体磁芯材料
CN105976970A (zh) * 2016-03-16 2016-09-28 天长市昭田磁电科技有限公司 一种用于变压器的铁氧体磁芯材料
CN105967671A (zh) * 2016-03-16 2016-09-28 天长市昭田磁电科技有限公司 一种高性能铁氧体磁芯材料

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