CN107176829A - 一种具有优异宽温特性的mh7kw铁氧体材料 - Google Patents
一种具有优异宽温特性的mh7kw铁氧体材料 Download PDFInfo
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Abstract
本发明涉及磁性材料技术领域,尤其涉及一种具有优异宽温特性的MH7KW铁氧体材料。本发明采用的技术方案是:由氧化铁、四氧化三锰和氧化锌三种主要原材料组成基础配方并加入数种添加物构成,其配方组成范围为:氧化铁(Fe2O3):69.0~70.8wt%;四氧化三锰(Mn3O4):14.2~16.0wt%;氧化锌(ZnO):13.5~14.8wt%;二氧化硅(SiO2):50~150ppm;碳酸钙(CaCO3):200~600ppm;四氧化三钴(Co3O4):1000~2000ppm;二氧化铋(BiO2):150~600ppm;二氧化钛(TiO2):0~1500ppm;五氧化二钽(Ta2O5):0~400ppm;三氧氧化钼(MoO3):0~500ppm。本发明的优点是:具有较宽的温度特性和较高的导磁率,将它应用于小型化和无人化管理的交接机中,可以使交换机的性能和安全大幅提升。
Description
技术领域
本发明涉及磁性材料技术领域,尤其涉及一种具有优异宽温特性的MH7KW铁氧体材料。
背景技术
目前,电子通讯网络尤其移动网络高频化的发展趋势十分迅猛,必然导致移动交换机的容量和地面站数量的大幅度增加,而交换机的小型化和进行无人化管理,对其使用的铁氧体材料提出了更高的要求。软磁铁氧体材料是以Fe2O3为主成分,用来制备具有软磁特性铁氧体的材料,主要特点为容易磁化,也容易退磁。软磁铁氧体材料是一种用途广、产量大、成本低的基础材料,是电子、机电工业重要的支柱产品之一,它的推广应用直接影响到电子信息、家电工业、计算机与通讯、环保及节能技术的发展,也是衡量一个国家经济发达程度的标志之一。软磁铁氧体材料具有高磁导率、高电阻率、低损耗、良好的高频特性及陶瓷的耐磨性,因而在电视机的电子束偏转线圈、回扫变压器、收音机扼流圈、中周变压器、电感器、开关电源、通讯设备、滤波器、计算机、电子镇流器、LED等绿色照明、太阳能及风能等新能源、汽车电子、物联网等领域得到广泛应用;随着电子技术日益广泛的应用,特别是数字电路和开关电源应用的普及,电磁干扰(EMI)问题日益重要,世界各国对电子仪器及测量设备抗电磁干扰性能提出的标准越来越高。因此,以软磁铁氧体为基础的EMI磁性元件发展迅速,产品种类繁多,如电磁干扰抑制器、电波吸收材料、倍频器、调制器等,己成为现代军事电子设备、工业和民用电子仪器不可缺少的组成部分。
发明内容
本发明的目的是提供一种具有优异宽温特性的MH7KW铁氧体材料,它是一种新型的软磁铁氧体材料,该材料具有较宽的温度特性和较高的导磁率,我公司命名该材料为MH7KW铁氧体材料。
本发明的技术方案如下:
一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于:由氧化铁、四氧化三锰和氧化锌三种主要原材料组成基础配方并加入数种添加物构成,其配方组成范围如下:
其中,氧化铁(Fe2O3)的含量可以为(wt%):69.0、69.1、69.2、69.3、69.5、69.8、69.9、70.0、70.5、70.8等。
四氧化三锰(Mn3O4)的含量可以为(wt%):14.2、14.6、14.8、15.0、15.2、15.3、15.5、15.6、15.8、15.9、16.0等。
氧化锌(ZnO)的含量可以为(wt%):13.5、13.8、14.1、14.5、、14.6、14.7、14.8等。
二氧化硅(SiO2)的含量可以为(ppm):50、87、95、98、100、118、135、143、150等。
碳酸钙(CaCO3)的含量可以为(ppm):200、230、280、320、400、150、500、530、550、580、600等。
四氧化三钴(Co3O4)的含量可以为(ppm):1000、1132、1150、1200、1480、1500、1860、1900、1950、2000等。
二氧化铋(BiO2)的含量可以为(ppm):150、155、163、235、280、350、470、500、600等。
二氧化钛(TiO2)的含量可以为(ppm):0、13、18、26、55、63、75、100、138、165、185、190、200、500、1300、1500等。
五氧化二钒(V2O5)的含量可以为(ppm):0、15、23、28、60、80、135、162、185、223、362、380、385、400等。
三氧氧化钼(MoO3)的含量可以为(ppm):0、40、67、100、130、160、180、260、285、320、375、390、400、500等。
进一步的,成份组成为:
进一步的,成份组成为:
进一步的,成份组成为:
进一步的,成份组成为:
进一步的,成份组成为:
一种具有优异宽温特性的MH7KW铁氧体材料的制备方法,包括从合格分供方购入的配方组成材料的物理化学特性进行检测分析,符合规定要求后,按配方比例将组成材料混合,然后依次经过振磨、轧片、整形、预烧、粗粉碎、细粉碎、制浆、配方分析与调整、喷雾造粒生产工艺流程制备。
本发明的有益效果:
本发明MH7KW铁氧体材料具有较宽的温度特性和较高的导磁率,将它应用于小型化和无人化管理的交接机中,可以使交换机的性能和安全大幅提升。
具体实施方式
一种具有优异宽温特性的MH7KW铁氧体材料的制备方法,包括从合格分供方购入的配方组成材料的物理化学特性进行检测分析,符合规定要求后,按配方比例将组成材料混合,然后依次经过振磨、轧片、整形、预烧、粗粉碎、细粉碎、制浆、配方分析与调整、喷雾造粒生产工艺流程制备。
实施例一,一种具有优异宽温特性的MH7KW铁氧体材料,成份组成为:
实施例二,成份组成为:
实施例三,成份组成为:
实施例四,成份组成为:
实施例五,成份组成为:
与现有材料性能比较
μi跌落特性计算公式:
实施例与对照例材料制成标准试样环性能对照表
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 (7)
1.一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于:由氧化铁、四氧化三锰和氧化锌三种主要原材料组成基础配方并加入数种添加物构成,其配方组成范围如下:
2.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于,由以下成份组成:
3.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于,由以下成份组成:
4.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于,由以下成份组成:
5.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于,由以下成份组成:
6.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料,其特征在于,由以下成份组成:
7.根据权利要求1所述的一种具有优异宽温特性的MH7KW铁氧体材料的制备方法,包括从合格分供方购入的配方组成材料的物理化学特性进行检测分析,符合规定要求后,按配方比例将组成材料混合,然后依次经过振磨、轧片、整形、预烧、粗粉碎、细粉碎、制浆、配方分析与调整、喷雾造粒生产工艺流程制备。
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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 |
CN103588471A (zh) * | 2013-06-27 | 2014-02-19 | 横店集团东磁股份有限公司 | 一种宽温高初始磁导率软磁铁氧体 |
CN104513059A (zh) * | 2014-12-19 | 2015-04-15 | 江门安磁电子有限公司 | 一种超宽温高磁导率MnZn铁氧体材料及其制造方法 |
CN104529425A (zh) * | 2014-12-19 | 2015-04-22 | 江门安磁电子有限公司 | 一种宽温高磁导率MnZn铁氧体材料及其制造方法 |
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