CN109485398A - 一种电磁吸收体材料 - Google Patents

一种电磁吸收体材料 Download PDF

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CN109485398A
CN109485398A CN201811542432.XA CN201811542432A CN109485398A CN 109485398 A CN109485398 A CN 109485398A CN 201811542432 A CN201811542432 A CN 201811542432A CN 109485398 A CN109485398 A CN 109485398A
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沈宏江
蔡忠贤
张学舟
牟大兵
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ANHUI HUALIN MAGNETIC TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种电磁吸收体材料，其原料包括主料、辅助料；所述主料包括Fe2O3、Mn3O4、ZnO；所述辅助料包括SiO2、Nb2O5、TiC、V2O5、Co3O4、Eu2O3、CaCO3。本发明的电磁吸收体材料，具有良好的吸波性能，可以达到很好的“宽频”吸波的效果。

Description

一种电磁吸收体材料
技术领域
本发明涉及磁性材料技术领域，具体涉及一种电磁吸收体材料。
背景技术
随着现代科学技术尤其是电子工业技术的高速发展，不同频率的电磁辐射充斥着人们的生活空间，破坏了人类良好的生态环境，造成了严重的电磁污染，因此研究和开发能够解决电磁辐射污染的吸波材料已经成为人们关注的焦点。但是，目前的吸波材料难以满足宽频吸收以及高电磁吸收性能等实际要求，因此，研究一种能够拓宽吸收频带、提高吸波性能，从而满足实际应用上对吸波材料的性能要求，是目前的研究热点之一。
发明内容
基于背景技术存在的技术问题，本发明提出了一种电磁吸收体材料，具有良好的吸波性能，可以达到“宽频”吸波的效果。
本发明提出了一种电磁吸收体材料，其原料包括主料、辅助料；所述主料包括Fe2O3、Mn3O4、ZnO；所述辅助料包括SiO2、Nb2O5、TiC、V2O5、Co3O4、NiO。
优选地，所述主料按照摩尔百分比计包括：54.5-58.5mol％的Fe2O3、9.5-12.5mol％的Mn3O4、30-35mol％的ZnO。
优选地，所述Fe2O3的摩尔百分比为55-58mol％。
优选地，所述Mn3O4的摩尔百分比为10-12mol％。
优选地，所述ZnO的摩尔百分比为30.5-34.5mol％。
优选地，以原料的总质量为基准，所述辅助料按添加量包括：0.01-0.1wt％的SiO2、0.02-0.15wt％的Nb2O5、0.02-0.15wt％的V2O5、0.02-0.2wt％的TiC、0.1-1.5wt％的Co3O4、0.02-0.2wt％的CaCO3、0.02-0.2wt％的Eu2O3。
优选地，以原料的总质量为基准，所述辅助料按添加量包括：0.02-0.8wt％的SiO2、0.03-0.12wt％的Nb2O5、0.03-0.12wt％的V2O5、0.03-0.15wt％的TiC、0.2-1.3wt％的Co3O4、0.03-0.15wt％的CaCO3、0.03-0.15wt％的Eu2O3。
本发明中，所述电磁吸收体材料可以采用如下制备工艺：按上述配比称取主料、辅助料，混合，湿法球磨、干燥，制得均匀分布的粉体，加热预烧结后再次球磨，使得平均粒径为1μm，干燥，与有机溶剂混合、造粒，压制成型，得到电磁吸收体材料。
本发明的电磁吸收体材料，具有良好的吸波性能，可以达到“宽频”吸波的效果。本发明采用Fe2O3、Mn3O4、ZnO作为主料，通过控制主料成分的摩尔配比，保证本发明具有较好的电磁特性；在主料的基础上添加了SiO2、Nb2O5、TiC、V2O5、Co3O4、CaCO3、Eu2O3等辅助料，并合理控制本发明中各辅助料组分的添加量，使各辅助料组分之间形成良好的协同作用，不仅可以发挥出其特有的电磁效应，还可增强电磁吸收体材料的磁导率、温度稳定性，辅助料与主料共同作用，材料磁性能和导电性得到明显改善，吸收峰的带宽明显拓宽，吸收强度也得到增强，实现了对不同波段电磁波的吸收，使得本发明的材料具有良好的电磁吸收性能，应用前景广泛。
附图说明
图1是本发明实施例5得到的在10-1000MHz频率范围内的电磁辐射吸收图。
具体实施方式
下面，通过具体实施例对本发明的技术方案进行详细说明。
实施例1
一种电磁吸收体材料，其原料包括主料、辅助料；所述主料按照摩尔百分比计包括：58.5mol％的Fe2O3、9.5mol％的Mn3O4、32mol％的ZnO；以原料的总质量为基准，所述辅助料按添加量包括：0.01wt％的SiO2、0.15wt％的Nb2O5、0.02wt％的V2O5、0.2wt％的TiC、0.1wt％的Co3O4、0.2wt％的CaCO3、0.02wt％的Eu2O3。
实施例2
一种电磁吸收体材料，其原料包括主料、辅助料；所述主料按照摩尔百分比计包括：54.5mol％的Fe2O3、12.5mol％的Mn3O4、33mol％的ZnO；以原料的总质量为基准，所述辅助料按添加量包括：0.1wt％的SiO2、0.02wt％的Nb2O5、0.15wt％的V2O5、0.02wt％的TiC、1.5wt％的Co3O4、0.02wt％的CaCO3、0.2wt％的Eu2O3。
实施例3
一种电磁吸收体材料，其原料包括主料、辅助料；所述主料按照摩尔百分比计包括：53.5mol％的Fe2O3、12mol％的Mn3O4、34.5mol％的ZnO；以原料的总质量为基准，所述辅助料按添加量包括：0.02wt％的SiO2、0.12wt％的Nb2O5、0.03wt％的V2O5、0.15wt％的TiC、0.2wt％的Co3O4、0.15wt％的CaCO3、0.03wt％的Eu2O3。
实施例4
一种电磁吸收体材料，其原料包括主料、辅助料；所述主料按照摩尔百分比计包括：58mol％的Fe2O3、11.5mol％的Mn3O4、30.5mol％的ZnO；以原料的总质量为基准，所述辅助料按添加量包括：0.8wt％的SiO2、0.03wt％的Nb2O5、0.12wt％的V2O5、0.03wt％的TiC、1.3wt％的Co3O4、0.03wt％的CaCO3、0.15wt％的Eu2O3。
实施例5
一种电磁吸收体材料，其原料包括主料、辅助料；所述主料按照摩尔百分比计包括：56.5mol％的Fe2O3、11mol％的Mn3O4、32.5mol％的ZnO；以原料的总质量为基准，所述辅助料按添加量包括：0.05wt％的SiO2、0.1wt％的Nb2O5、0.1wt％的V2O5、0.08wt％的TiC、0.7wt％的Co3O4、0.1wt％的CaCO3、0.06wt％的Eu2O3。
试验例1
对本发明实施例5的电磁吸收体材料进行电磁辐射吸收性能的检测，检测结果参照图1所示：由图1可以看出，本发明的电磁吸收体材料在10-1000MHz的宽频率范围内具有较优异的吸收特性，且吸收强度较强，因此本发明具有良好的电磁吸收性能。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。

Claims (7)

1.一种电磁吸收体材料，其特征在于，其原料包括主料、辅助料；所述主料包括Fe2O3、Mn3O4、ZnO；所述辅助料包括SiO2、Nb2O5、TiC、V2O5、Co3O4、Eu2O3、CaCO3。
2.根据权利要求1所述的电磁吸收体材料，其特征在于，所述主料按照摩尔百分比计包括：54.5-58.5mol％的Fe2O3、9.5-12.5mol％的Mn3O4、30-35mol％的ZnO。
3.根据权利要求1或2所述的电磁吸收体材料，其特征在于，所述Fe2O3的摩尔百分比为55-58mol％。
4.根据权利要求1或2所述的电磁吸收体材料，其特征在于，所述Mn3O4的摩尔百分比为10-12mol％。
5.根据权利要求1或2所述的电磁吸收体材料，其特征在于，所述ZnO的摩尔百分比为30.5-34.5mol％。
6.根据权利要求1所述的电磁吸收体材料，其特征在于，以原料的总质量为基准，所述辅助料按添加量包括：0.01-0.1wt％的SiO2、0.02-0.15wt％的Nb2O5、0.02-0.15wt％的V2O5、0.02-0.2wt％的TiC、0.1-1.5wt％的Co3O4、0.02-0.2wt％的CaCO3、0.02-0.2wt％的Eu2O3。
7.根据权利要求1或6所述的电磁吸收体材料，其特征在于，以原料的总质量为基准，所述辅助料按添加量包括：0.02-0.8wt％的SiO2、0.03-0.12wt％的Nb2O5、0.03-0.12wt％的V2O5、0.03-0.15wt％的TiC、0.2-1.3wt％的Co3O4、0.03-0.15wt％的CaCO3、0.03-0.15wt％的Eu2O3。
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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551711A (en) * 1943-07-01 1951-05-08 Hartford Nat Bank & Trust Co Manganese zinc ferrite core
JPH01290207A (ja) * 1988-05-18 1989-11-22 Hitachi Metals Ltd 酸化物磁性材料
CN1677579A (zh) * 2004-03-31 2005-10-05 广东风华高新科技集团有限公司 宽频锰锌系高磁导率软磁铁氧体材料
CN101404197A (zh) * 2008-07-14 2009-04-08 广东风华高新科技股份有限公司 一种锰锌软磁铁氧体材料及所得磁芯的制备方法
CN102924071A (zh) * 2012-11-05 2013-02-13 天长市中德电子有限公司 一种低磁芯损耗软磁铁氧体材料
CN105330276A (zh) * 2015-11-27 2016-02-17 全椒君鸿软磁材料有限公司 一种低热膨胀系数镍锌软磁铁氧体磁芯材料的制备方法
CN105551708A (zh) * 2016-03-08 2016-05-04 佛山市程显科技有限公司 一种增材制造磁芯以及使用该磁芯的磁性器件
CN106365623A (zh) * 2016-08-25 2017-02-01 天长市中德电子有限公司 一种宽温宽频软磁铁氧体及其制备方法
CN106396657A (zh) * 2016-08-25 2017-02-15 天长市中德电子有限公司 一种宽频低损耗软磁铁氧体材料及其制备方法
CN107200572A (zh) * 2017-05-08 2017-09-26 中国计量大学 一种低磁导率温度系数MnZn铁氧体烧结方法
CN107986771A (zh) * 2017-12-01 2018-05-04 常熟市三佳磁业有限公司 一种锰锌铁氧体磁环及其制备方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2551711A (en) * 1943-07-01 1951-05-08 Hartford Nat Bank & Trust Co Manganese zinc ferrite core
JPH01290207A (ja) * 1988-05-18 1989-11-22 Hitachi Metals Ltd 酸化物磁性材料
CN1677579A (zh) * 2004-03-31 2005-10-05 广东风华高新科技集团有限公司 宽频锰锌系高磁导率软磁铁氧体材料
CN101404197A (zh) * 2008-07-14 2009-04-08 广东风华高新科技股份有限公司 一种锰锌软磁铁氧体材料及所得磁芯的制备方法
CN102924071A (zh) * 2012-11-05 2013-02-13 天长市中德电子有限公司 一种低磁芯损耗软磁铁氧体材料
CN105330276A (zh) * 2015-11-27 2016-02-17 全椒君鸿软磁材料有限公司 一种低热膨胀系数镍锌软磁铁氧体磁芯材料的制备方法
CN105551708A (zh) * 2016-03-08 2016-05-04 佛山市程显科技有限公司 一种增材制造磁芯以及使用该磁芯的磁性器件
CN106365623A (zh) * 2016-08-25 2017-02-01 天长市中德电子有限公司 一种宽温宽频软磁铁氧体及其制备方法
CN106396657A (zh) * 2016-08-25 2017-02-15 天长市中德电子有限公司 一种宽频低损耗软磁铁氧体材料及其制备方法
CN107200572A (zh) * 2017-05-08 2017-09-26 中国计量大学 一种低磁导率温度系数MnZn铁氧体烧结方法
CN107986771A (zh) * 2017-12-01 2018-05-04 常熟市三佳磁业有限公司 一种锰锌铁氧体磁环及其制备方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CAIYIN YOU: "Improvedelectromagneticmicrowaveabsorptionoftheannealed pre-sinteredprecursorofMn–Zn ferrite", 《JOURNAL OFMAGNETISMANDMAGNETICMATERIALS》 *
许丕池: "抗电磁干扰Mn-Zn铁氧体的应用及发展", 《材料导报》 *

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