CN111116191B - 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法 - Google Patents
一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法 Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 85
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 31
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 38
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims abstract description 35
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000654 additive Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000000996 additive effect Effects 0.000 claims abstract description 22
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 19
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 19
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 19
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 19
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 19
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 27
- 238000005245 sintering Methods 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 15
- 230000035699 permeability Effects 0.000 claims description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 10
- 239000011268 mixed slurry Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 description 18
- 239000013078 crystal Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明公开了一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法，该铁氧体材料的原料包括主料和添加剂，主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为51.8‑52.4％、ZnO为22.4‑22.8％、余量为MnO；添加剂包括V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2，其中，按主料的总重量计，添加剂的组成为：V2O5：200‑500ppm、Bi2O3：400‑800ppm、Y2O3：1000‑1500ppm、TiO2：1000‑1500ppm、CaCO3：500‑1000ppm、SiO2：500‑1000ppm。本发明制得的锰锌软磁铁氧体材料的磁导率高、饱和磁感应强度高、损耗低，具有优良的电磁性能。
Description
技术领域
本发明涉及铁氧体材料技术领域，尤其涉及一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法。
背景技术
随着电子仪器、设备的体积趋向小型化，对电子元器件的性能要求也逐渐提升。磁导率是软磁铁氧体材料的重要参数之一，当材料磁导率高时，较少的线圈匝数就可以获得规定的电感量，从而能有效减少变压器的电阻及其引起的损耗，而且能有效减少变压器的体积，有利于电子设备的轻量化。因此，如何制备具有高磁导率、低损耗的锰锌软磁铁氧体，成为近年来的一个研究重点。
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磁导率低损耗锰锌软磁铁氧体材料及其制备方法。
本发明提出的一种高磁导率低损耗锰锌软磁铁氧体材料，其原料包括主料和添加剂，所述主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为51.8-52.4％、ZnO为22.4-22.8％、余量为MnO；所述添加剂包括V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2，其中，按主料的总重量计，添加剂的组成为：V2O5：200-500ppm、Bi2O3：400-800ppm、Y2O3：1000-1500ppm、TiO2：1000-1500ppm、CaCO3：500-1000ppm、SiO2：500-1000ppm。
优选地，所述主料中，按摩尔百分比计，Fe2O3为52.2％、ZnO为22.6％、余量为MnO。
优选地，按主料的总重量计，添加剂的组成为：V2O5：400ppm、Bi2O3：600ppm、Y2O3：1200ppm、TiO2：1200ppm、CaCO3：600ppm、SiO2：600ppm。
一种所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法，包括下述步骤：
S1、将Fe2O3、MnO、ZnO混合均匀，得到主料，将所述主料经过一次球磨后烘干，经过预烧处理、破碎，得到预烧料；
S2、将V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2混合均匀，得到添加剂，将所述添加剂与所述预烧料混合均匀，经过二次球磨后烘干，得到混合料；
S3、将所述混合料与聚乙烯醇水溶液混合均匀，得到混合浆料；
S4、将所述混合浆料进行喷雾造粒，得到颗粒料；
S5、将所述颗粒料压制成型，然后进行烧结，冷却后得到铁氧体材料。
优选地，所述步骤S1中，预烧处理的温度为820-860℃，时间为1.5-2.5h。
优选地，所述步骤S1中，一次球磨的球料比为(2-3)：1，球磨时间为5-8h；所述步骤S2中，二次球磨的球料比为(4-5)：1，球磨时间为8-12h。
优选地，所述混合料与聚乙烯醇水溶液的质量比为10-15％；所述聚乙烯醇水溶液的质量分数为5-10％。
优选地，所述步骤S4中，压制成型的压力为10-12MPa。
优选地，所述步骤S5中，烧结的具体方法为：先以200-220℃/h的升温速率升温至600-640℃，保温1-1.5h，然后以280-300℃/h的升温速率升温至1000-1050℃，保温0.5-1h，再以120-140℃/h的升温速率升温至1400-1420℃，保温烧结1.5-2.5h，即可。
本发明的有益效果如下：
本发明的原料中，以适量的V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2复配作为添加剂，其中V2O5、Bi2O3能够促进材料中晶粒的快速生长，并且增加烧结中材料的密度，从而提高材料的磁导率；Y2O3能够增大晶格常数，促进晶粒生长，从而提高饱和磁感应强度和磁导率；TiO2能够固溶于晶格中，提高晶粒内部的电阻率，降低涡流损耗；CaCO3、SiO2能够形成CaSiO3相，在晶粒边界析出，提高晶界电阻率，从而降低涡流损耗；Y2O3、CaCO3、SiO2还能够起到协同作用，形成钇硅酸盐相分布在晶界间，能够充填气孔，提高材料的致密性，从而提高材料的磁导率，降低损耗。本发明还通过选择合适的预烧温度、成型压力以及烧结温度曲线，提高了材料微观结构的晶粒均匀性以及致密性，进一步提升材料的饱和磁感应强度、磁导率，降低损耗。通过上述配方和工艺的选择，本发明提供的锰锌软磁铁氧体材料具有磁导率高、饱和磁感应强度高、损耗低的优点，具有优良的电磁性能。
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
一种高磁导率低损耗锰锌软磁铁氧体材料，其原料包括主料和添加剂，主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为51.8％、ZnO为22.4％、余量为MnO；其中，按主料的总重量计，添加剂的组成为：V2O5：500ppm、Bi2O3：800ppm、Y2O3：1500ppm、TiO2：1500ppm、CaCO3：1000ppm、SiO2：1000ppm。
高磁导率低损耗锰锌软磁铁氧体材料的制备方法包括下述步骤：
S1、将Fe2O3、MnO、ZnO混合均匀，得到主料，将主料经过一次球磨后烘干，其中一次球磨的球料比为2：1，球磨时间为5h，然后在820℃预烧处理1.5h，经过破碎，得到预烧料；
S2、将V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2混合均匀，得到添加剂，将所述添加剂与所述预烧料混合均匀，经过二次球磨后烘干，其中二次球磨的球料比为4：1，球磨时间为8h，得到混合料；
S3、将所述混合料与质量分数为5％的聚乙烯醇水溶液混合均匀，得到混合浆料，其中混合料与聚乙烯醇水溶液的质量比为10％；
S4、将所述混合浆料进行喷雾造粒，得到颗粒料；
S5、将所述颗粒料在10MPa条件下压制成型，然后以200℃/h的升温速率升温至600℃，保温1h，然后以280℃/h的升温速率升温至1000℃，保温0.5h，再以120℃/h的升温速率升温至1400℃，保温烧结1.5h，冷却后得到铁氧体材料。
实施例2
一种高磁导率低损耗锰锌软磁铁氧体材料，其原料包括主料和添加剂，主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为52.4％、ZnO为22.8％、余量为MnO；其中，按主料的总重量计，添加剂的组成为：V2O5：200ppm、Bi2O3：400ppm、Y2O3：1000ppm、TiO2：1000ppm、CaCO3：500ppm、SiO2：500ppm。
高磁导率低损耗锰锌软磁铁氧体材料的制备方法包括下述步骤：
S1、将Fe2O3、MnO、ZnO混合均匀，得到主料，将主料经过一次球磨后烘干，其中一次球磨的球料比为3：1，球磨时间为8h，然后在860℃预烧处理2.5h，经过破碎，得到预烧料；
S2、将V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2混合均匀，得到添加剂，将所述添加剂与所述预烧料混合均匀，经过二次球磨后烘干，其中二次球磨的球料比为5：1，球磨时间为12h，得到混合料；
S3、将所述混合料与质量分数为10％的聚乙烯醇水溶液混合均匀，得到混合浆料，其中混合料与聚乙烯醇水溶液的质量比为15％；
S4、将所述混合浆料进行喷雾造粒，得到颗粒料；
S5、将所述颗粒料在12MPa条件下压制成型，然后以220℃/h的升温速率升温至640℃，保温1.5h，然后以300℃/h的升温速率升温至1050℃，保温1h，再以140℃/h的升温速率升温至1420℃，保温烧结2.5h，冷却后得到铁氧体材料。
实施例3
一种高磁导率低损耗锰锌软磁铁氧体材料，其原料包括主料和添加剂，主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为52.2％、ZnO为22.6％、余量为MnO；按主料的总重量计，添加剂的组成为：V2O5：400ppm、Bi2O3：600ppm、Y2O3：1200ppm、TiO2：1200ppm、CaCO3：600ppm、SiO2：600ppm。
高磁导率低损耗锰锌软磁铁氧体材料的制备方法包括下述步骤：
S1、将Fe2O3、MnO、ZnO混合均匀，得到主料，将主料经过一次球磨后烘干，其中一次球磨的球料比为2.5：1，球磨时间为6h，然后在850℃预烧处理2h，经过破碎，得到预烧料；
S2、将V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2混合均匀，得到添加剂，将所述添加剂与所述预烧料混合均匀，经过二次球磨后烘干，其中二次球磨的球料比为4.5：1，球磨时间为10h，得到混合料；
S3、将所述混合料与质量分数为7.5％的聚乙烯醇水溶液混合均匀，得到混合浆料，其中混合料与聚乙烯醇水溶液的质量比为12％；
S4、将所述混合浆料进行喷雾造粒，得到颗粒料；
S5、将所述颗粒料在11MPa条件下压制成型，然后以210℃/h的升温速率升温至620℃，保温1.2h，然后以290℃/h的升温速率升温至1020℃，保温0.6h，再以130℃/h的升温速率升温至1410℃，保温烧结2h，冷却后得到铁氧体材料。
经测试，实施例1-3制得的铁氧体材料在25℃，1.2kA/m条件下的饱和磁感应强度Bs≥450mT，10kHZ条件下的磁导率μi≥13000，10kHZ条件下的比损耗因子tanδ/μi≤1.5×10-6，具有磁导率高、饱和磁感应强度高、损耗低的电磁特性。
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 (6)
1.一种高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，其原料包括主料和添加剂，所述主料包括Fe2O3、MnO、ZnO，其中，按摩尔百分比计，Fe2O3为51.8-52.4％、ZnO为22.4-22.8％、余量为MnO；所述添加剂包括V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2，其中，按主料的总重量计，添加剂的组成为：V2O5：200-500ppm、Bi2O3：400-800ppm、Y2O3：1000-1500ppm、TiO2：1000-1500ppm、CaCO3：500-1000ppm、SiO2：500-1000ppm；
所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法，包括下述步骤：
S1、将Fe2O3、MnO、ZnO混合均匀，得到主料，将所述主料经过一次球磨后烘干，经过预烧处理、破碎，得到预烧料；
S2、将V2O5、Bi2O3、Y2O3、TiO2、CaCO3、SiO2混合均匀，得到添加剂，将所述添加剂与所述预烧料混合均匀，经过二次球磨后烘干，得到混合料；
S3、将所述混合料与聚乙烯醇水溶液混合均匀，得到混合浆料；
S4、将所述混合浆料进行喷雾造粒，得到颗粒料；
S5、将所述颗粒料压制成型，然后进行烧结，冷却后得到铁氧体材料；
其中，所述步骤S1中，预烧处理的温度为820-860℃，时间为1.5-2.5h；所述步骤S5中，烧结的具体方法为：先以200-220℃/h的升温速率升温至600-640℃，保温1-1.5h，然后以280-300℃/h的升温速率升温至1000-1050℃，保温0.5-1h，再以120-140℃/h的升温速率升温至1400-1420℃，保温烧结1.5-2.5h，即可。
2.根据权利要求1所述的高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，所述主料中，按摩尔百分比计，Fe2O3为52.2％、ZnO为22.6％、余量为MnO。
3.根据权利要求1或2所述的种高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，按主料的总重量计，添加剂的组成为：V2O5：400ppm、Bi2O3：600ppm、Y2O3：1200ppm、TiO2：1200ppm、CaCO3：600ppm、SiO2：600ppm。
4.根据权利要求1所述的高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，所述步骤S1中，一次球磨的球料比为(2-3)：1，球磨时间为5-8h；所述步骤S2中，二次球磨的球料比为(4-5)：1，球磨时间为8-12h。
5.根据权利要求1所述的高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，所述混合料与聚乙烯醇水溶液的质量比为10-15％；所述聚乙烯醇水溶液的质量分数为5-10％。
6.根据权利要求1所述的高磁导率低损耗锰锌软磁铁氧体材料，其特征在于，所述步骤S4中，压制成型的压力为10-12MPa。
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001261344A (ja) * | 2000-03-15 | 2001-09-26 | Minebea Co Ltd | Ｍｎ−Ｚｎフェライトおよびその製造方法 |
| CN103833346A (zh) * | 2014-01-17 | 2014-06-04 | 横店集团东磁股份有限公司 | 一种宽频MnZn铁氧体材料及其制备工艺 |
| CN104803669A (zh) * | 2015-03-17 | 2015-07-29 | 江苏新旭磁电科技有限公司 | 一种宽温低失真锰锌软磁铁氧体材料及其制备方法 |
| CN107129291A (zh) * | 2017-06-15 | 2017-09-05 | 浙江大学 | 具有高频低温度系数低损耗MnZn软磁铁氧体材料及其制备方法 |
| CN107473727A (zh) * | 2017-09-21 | 2017-12-15 | 郴州市久隆旺高科电子有限公司 | 一种宽频宽温高功率密度低损耗锰锌软磁铁氧体材料及其制备方法 |
| CN110054489A (zh) * | 2019-04-02 | 2019-07-26 | 华南理工大学 | 一种高振幅磁导率MnZn铁氧体材料及其制备方法 |
-
2019
- 2019-12-31 CN CN201911422011.8A patent/CN111116191B/zh active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001261344A (ja) * | 2000-03-15 | 2001-09-26 | Minebea Co Ltd | Ｍｎ−Ｚｎフェライトおよびその製造方法 |
| CN103833346A (zh) * | 2014-01-17 | 2014-06-04 | 横店集团东磁股份有限公司 | 一种宽频MnZn铁氧体材料及其制备工艺 |
| CN104803669A (zh) * | 2015-03-17 | 2015-07-29 | 江苏新旭磁电科技有限公司 | 一种宽温低失真锰锌软磁铁氧体材料及其制备方法 |
| CN107129291A (zh) * | 2017-06-15 | 2017-09-05 | 浙江大学 | 具有高频低温度系数低损耗MnZn软磁铁氧体材料及其制备方法 |
| CN107473727A (zh) * | 2017-09-21 | 2017-12-15 | 郴州市久隆旺高科电子有限公司 | 一种宽频宽温高功率密度低损耗锰锌软磁铁氧体材料及其制备方法 |
| CN110054489A (zh) * | 2019-04-02 | 2019-07-26 | 华南理工大学 | 一种高振幅磁导率MnZn铁氧体材料及其制备方法 |
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