CN106396663A - 一种高导电率Mn‑Zn铁氧体材料 - Google Patents

一种高导电率Mn‑Zn铁氧体材料 Download PDF

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CN106396663A
CN106396663A CN201610766991.3A CN201610766991A CN106396663A CN 106396663 A CN106396663 A CN 106396663A CN 201610766991 A CN201610766991 A CN 201610766991A CN 106396663 A CN106396663 A CN 106396663A
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ferrite material
high conductivity
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瞿德林
王久如
徐升宝
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TIANCHANG ZHONGDE ELECTRONICS CO Ltd
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Abstract

本发明公开了一种高导电率Mn‑Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.05‑0.08份，聚乙烯醇1‑2份；其中主成分的原料按摩尔份包括：Fe2O3 22‑40份，ZnO 20‑30份，MnO 5‑15份；辅成分的原料按重量份包括：SiO2 20‑50份，Cr2O3 10‑28份，Gd2O3 12‑22份，CaO 2‑8份，Nb2O 1‑6份，Pb3O4 5‑10份，CoO2 2‑6份，La2O3 2‑8份，CaCO3 20‑40份。本发明热稳定性好，电阻率高，还具有高频、高饱和磁通密度和低磁损耗的优良性能。

Description

一种高导电率Mn-Zn铁氧体材料
技术领域
本发明涉及Mn-Zn铁氧体技术领域，尤其涉及一种高导电率Mn-Zn铁氧体材料。
背景技术
Mn-Zn铁氧体是最重要的软磁铁氧体之一，高磁导率软磁铁氧体材料是应用非常广泛的一种功能材料，在宽频变压器、低频变压器、小型环形脉冲变压器、广播、电视、电子仪表、计算机和微型电感器等领域中得到了广泛的应用，由于当今数字通讯和光纤通讯技术正以飞快的速度更新、淘汰传统的模拟通讯设备，迫切需要热稳定好，电阻率高，且具有高频、高饱和磁通密度和低磁损耗的Mn-Zn铁氧体材料。
发明内容
基于背景技术存在的技术问题，本发明提出了一种高导电率Mn-Zn铁氧体材料，热稳定性好，电阻率高，还具有高频、高饱和磁通密度和低磁损耗的优良性能。
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.05-0.08份，聚乙烯醇1-2份；
其中主成分的原料按摩尔份包括：Fe2O3 22-40份，ZnO 20-30份，MnO 5-15份；
辅成分的原料按重量份包括：SiO2 20-50份，Cr2O3 10-28份，Gd2O3 12-22份，CaO2-8份，Nb2O 1-6份，Pb3O4 5-10份，CoO2 2-6份，La2O3 2-8份，CaCO3 20-40份。
优选地，主成分、辅成分、聚乙烯醇的重量比为100：0.06-0.07：1.2-1.8。
优选地，Fe2O3、ZnO、MnO的摩尔比为28-35：22-26：8-12。
优选地，SiO2、Cr2O3、Gd2O3、CaO、Nb2O、Pb3O4、CoO2、La2O3、CaCO3的重量比为30-40：15-25：16-20：4-6：3-5：6-8：3-5：4-6：25-35。
优选地，其原料按重量份包括：主成分100份，辅成分0.06-0.07份，聚乙烯醇1.2-1.8份；其中主成分的原料按摩尔份包括：Fe2O3 28-35份，ZnO 22-26份，MnO 8-12份；辅成分的原料按重量份包括：SiO2 30-40份，Cr2O3 15-25份，Gd2O3 16-20份，CaO 4-6份，Nb2O 3-5份，Pb3O4 6-8份，CoO2 3-5份，La2O3 4-6份，CaCO3 25-35份。
本发明采用常规制备工艺制得。
本发明通过限制材料主成分、辅成分组成，通过合理控制Fe2O3、ZnO、MnO的含量处于一定的范围，三者协同作用，并加入适量聚乙烯醇，使本发明具有优异的高频、高饱和磁通密度和低磁损耗的性能；其中聚乙烯醇粘结性极好，混合均匀性好，在保证本发明具有优异力学性能前提下，热稳定性能极好；同时SiO2、Cr2O3、Gd2O3、CaO、Nb2O产生协同作用，可有效促进晶粒均匀生长，通过控制合理的相互之间配比，可在保证烧结温度的前提下，避免晶粒异常生长造成本发明的性能恶化；Pb3O4、CoO2、La2O3、CaCO3协同作用，可有效改变本发明微观结构，并有效细化晶粒，促进晶粒均匀生长，电阻率有效提高，而且进一步避免起晶粒异常生长致使材料性能恶化。
本发明通过合理控制原料中各组分的含量，使本发明热稳定性好，电阻率高，且具有高频、高饱和磁通密度和低磁损耗的优良性能。
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
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.05份，聚乙烯醇2份；其中主成分的原料按摩尔份包括：Fe2O3 22份，ZnO 30份，MnO 5份；辅成分的原料按重量份包括：SiO2 50份，Cr2O3 10份，Gd2O3 22份，CaO 2份，Nb2O 6份，Pb3O4 5份，CoO2 6份，La2O3 2份，CaCO3 40份。
实施例2
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.08份，聚乙烯醇1份；其中主成分的原料按摩尔份包括：Fe2O3 40份，ZnO 20份，MnO 15份；辅成分的原料按重量份包括：SiO2 20份，Cr2O3 28份，Gd2O3 12份，CaO 8份，Nb2O1份，Pb3O4 10份，CoO2 2份，La2O3 8份，CaCO3 20份。
实施例3
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.06份，聚乙烯醇1.8份；其中主成分的原料按摩尔份包括：Fe2O3 28份，ZnO 26份，MnO 8份；辅成分的原料按重量份包括：SiO2 40份，Cr2O3 15份，Gd2O3 20份，CaO 4份，Nb2O 5份，Pb3O4 6份，CoO2 5份，La2O34份，CaCO3 35份。
实施例4
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.07份，聚乙烯醇1.2份；其中主成分的原料按摩尔份包括：Fe2O3 35份，ZnO 22份，MnO 12份；辅成分的原料按重量份包括：SiO2 30份，Cr2O3 25份，Gd2O3 16份，CaO 6份，Nb2O 3份，Pb3O4 8份，CoO2 3份，La2O36份，CaCO3 25份。
实施例5
本发明提出的一种高导电率Mn-Zn铁氧体材料，其原料按重量份包括：主成分100份，辅成分0.065份，聚乙烯醇1.5份；其中主成分的原料按摩尔份包括：Fe2O3 30份，ZnO 24份，MnO 10份；辅成分的原料按重量份包括：SiO2 35份，Cr2O3 20份，Gd2O3 18份，CaO 5份，Nb2O 4份，Pb3O4 7份，CoO2 4份，La2O35份，CaCO3 30份。
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 (5)

1.一种高导电率Mn-Zn铁氧体材料，其特征在于，其原料按重量份包括：主成分100份，辅成分0.05-0.08份，聚乙烯醇1-2份；
其中主成分的原料按摩尔份包括：Fe2O3 22-40份，ZnO 20-30份，MnO 5-15份；
辅成分的原料按重量份包括：SiO2 20-50份，Cr2O3 10-28份，Gd2O3 12-22份，CaO 2-8份，Nb2O 1-6份，Pb3O4 5-10份，CoO2 2-6份，La2O3 2-8份，CaCO3 20-40份。
2.根据权利要求1所述高导电率Mn-Zn铁氧体材料，其特征在于，主成分、辅成分、聚乙烯醇的重量比为100：0.06-0.07：1.2-1.8。
3.根据权利要求1或2所述高导电率Mn-Zn铁氧体材料，其特征在于，Fe2O3、ZnO、MnO的摩尔比为28-35：22-26：8-12。
4.根据权利要求1-3任一项所述高导电率Mn-Zn铁氧体材料，其特征在于，SiO2、Cr2O3、Gd2O3、CaO、Nb2O、Pb3O4、CoO2、La2O3、CaCO3的重量比为30-40：15-25：16-20：4-6：3-5：6-8：3-5：4-6：25-35。
5.根据权利要求1-4任一项所述高导电率Mn-Zn铁氧体材料，其特征在于，其原料按重量份包括：主成分100份，辅成分0.06-0.07份，聚乙烯醇1.2-1.8份；其中主成分的原料按摩尔份包括：Fe2O3 28-35份，ZnO 22-26份，MnO 8-12份；辅成分的原料按重量份包括：SiO230-40份，Cr2O3 15-25份，Gd2O3 16-20份，CaO 4-6份，Nb2O 3-5份，Pb3O4 6-8份，CoO2 3-5份，La2O3 4-6份，CaCO3 25-35份。
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CN109665829A (zh) * 2017-10-14 2019-04-23 山东春光磁电科技有限公司 一种能降低开裂的高磁通量铁氧体粉体粉料
CN110041064A (zh) * 2019-04-17 2019-07-23 临沂成合信息技术有限公司 叠层片式磁珠用高阻抗值低温共烧软磁铁氧体粉料及其制备方法
CN111517776A (zh) * 2020-04-23 2020-08-11 眉山市宇泰电子设备有限公司 一种锰锌软磁铁氧体材料的制备方法

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CN111517776A (zh) * 2020-04-23 2020-08-11 眉山市宇泰电子设备有限公司 一种锰锌软磁铁氧体材料的制备方法

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