CN107195415A - 一种磁性材料及其制备方法 - Google Patents

一种磁性材料及其制备方法 Download PDF

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CN107195415A
CN107195415A CN201710465571.6A CN201710465571A CN107195415A CN 107195415 A CN107195415 A CN 107195415A CN 201710465571 A CN201710465571 A CN 201710465571A CN 107195415 A CN107195415 A CN 107195415A
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王飞
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Hefei Bo Tai Tai Electronic Technology Co Ltd
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    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
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    • H01F1/032Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
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    • H01F1/047Alloys characterised by their composition
    • H01F1/053Alloys characterised by their composition containing rare earth metals
    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
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    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
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    • H01F1/055Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
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    • H01F1/0571Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0576Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working

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Abstract

本发明公开了一种磁性材料及其制备方法,包括以下原料:Fe、Co、Ru、Y、W、As、Ti、Re、Dy、Ni、Ce、Nb和Nd。其制备方法是先将原料混合研磨,得混合料;再将所述混合料在高温下熔融成铸锭;待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末;最后将磁性材料粉末通过压制成型即可。本发明的磁性材料制备简单,生产成本低廉,力学强度高,耐老化,导磁性能优越,矫顽力及内禀矫顽力增强,具有广阔的市场前景。

Description

一种磁性材料及其制备方法
技术领域
本发明属于磁性材料领域,具体涉及一种磁性材料及其制备方法。
背景技术
磁性材料的发展经历了从无机到有机、固态到液态、宏观到介观、电子磁有序到核磁有序强磁材料、单一型到复合型,并且显现出优异的磁性能和综合特性。磁性材料由于分类标准和侧重点不同,有着不同的分类。一般磁性材料按应用类型分类可以分为:永磁材料、软磁材料等。磁性材料主要是指由过渡元素铁、钴、镍及其合金等组成的能够直接或间接产生磁性的物质。从应用功能上讲,磁性材料分为:软磁材料、永磁材料、磁记录-矩磁材料、旋磁材料等种类。磁性材料是电子工业的重要基础功能材料,广泛应用于计算机、电子器件、通讯、汽车和航空航天等工业领域和家用电器、儿童玩具等日常生活用品,随着世界经济和科学技术的迅猛发展,磁性材料的需求将空前广阔。磁性材料在电子、计算机、信息通讯、医疗、航空航天、汽车、风电、环保节能等传统和新兴领域都发挥着重要的作用。磁性材料已成为促进高新技术发展和当代经济进步不可替代的材料,发展前景乐观。
发明内容
针对现有技术中存在的问题,本发明提供了一种磁性材料及其制备方法,该种磁性材料制备简单,生产成本低廉,力学强度高,耐老化,导磁性能优越,矫顽力及内禀矫顽力增强,具有广阔的市场前景。
为了达到上述目的,本发明通过以下技术方案来实现的:
一种磁性材料,包括以下按重量份计的原料:Fe80-100份、Co2.4-4.8份、Ru0.2-0.8份、Y0.4-1.0份、W0.2-0.7份、As0.1-0.5份、Ti0.4-0.9份、Re0.2-0.8份、Dy0.3-0.9份、Ni1.7-3.5份、Ce0.5-1.1份、Nb0.7-2.1份和Nd1.3-3.3份。
进一步地,所述磁性材料包括以下按重量份计的原料:Fe85-95份、Co3.0-4.2份、Ru0.4-0.6份、Y0.6-0.8份、W0.3-0.5份、As0.2-0.4份、Ti0.6-0.8份、Re0.4-0.6份、Dy0.5-0.7份、Ni2.0-3.0份、Ce0.7-0.9份、Nb1.2-1.8份和Nd1.7-2.9份。
再进一步地,所述磁性材料包括以下按重量份计的原料:Fe90份、Co3.6份、Ru0.5份、Y0.7份、W0.4份、As0.3份、Ti0.7份、Re0.5份、Dy0.6份、Ni2.5份、Ce0.8份、Nb1.5份和Nd2.3份。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)按所述重量份配比称取原料单质;
(2)将原料混合研磨,得混合料;
(3)将所述混合料在高温下熔融成铸锭;
(4)待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末;
(5)最后将磁性材料粉末通过压制成型即可。
进一步地,在步骤(2)中,所述混合料是通过球磨机研磨至粒径≤2mm混合制得的。
进一步地,在步骤(3)中,所述混合料是输送至熔炼炉中进行熔炼处理,熔炼温度为1640℃~1820℃,熔炼时间为7~9h。
进一步地,所述熔炼炉的升温速率为70-80℃/min。
进一步地,在步骤(5)中,所述磁性材料粉末是通过球磨机将铸锭研磨至粒径≤1mm制得的。
本发明的有益效果:本发明的磁性材料制备简单,生产成本低廉(包括原料成本及加工工艺),力学强度高,耐老化,导磁性能优越,矫顽力及内禀矫顽力增强,经检测,其剩磁Br提升至4600-5200Gs,矫顽力增强至278KA/m-304KA/m,内禀矫顽力增强至51000-53000e,具有广阔的市场前景。
具体实施方式
下面结合实施例对本发明的具体实施方式作进一步描述,以下实施例仅用于更加清楚地说明本发明的技术方案,而不能以此来限制本发明的保护范围。
实施例1
一种磁性材料,包括以下原料:Fe80kg、Co2.4kg、Ru0.2kg、Y0.4kg、W0.2kg、As0.1kg、Ti0.4kg、Re0.2kg、Dy0.3kg、Ni1.7kg、Ce0.5kg、Nb0.7kg和Nd1.3kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1640℃,熔炼时间为7h,且熔炼炉的升温速率为70℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
实施例2
一种磁性材料,包括以下原料:Fe85kg、Co3.0kg、Ru0.4kg、Y0.6kg、W0.3kg、As0.2kg、Ti0.6kg、Re0.4kg、Dy0.5kg、Ni2.0kg、Ce0.7kg、Nb1.2kg和Nd1.7kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1680℃,熔炼时间为7.5h,且熔炼炉的升温速率为72℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
实施例3
一种磁性材料,包括以下原料:Fe90kg、Co3.6kg、Ru0.5kg、Y0.7kg、W0.4kg、As0.3kg、Ti0.7kg、Re0.5kg、Dy0.6kg、Ni2.5kg、Ce0.8kg、Nb1.5kg和Nd2.3kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1710℃,熔炼时间为8h,且熔炼炉的升温速率为75℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
实施例4
一种磁性材料,包括以下原料:Fe100kg、Co4.8kg、Ru0.8kg、Y1.0kg、W0.7kg、As0.5kg、Ti0.9kg、Re0.8kg、Dy0.9kg、Ni3.5kg、Ce1.1kg、Nb2.1kg和Nd3.3kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1820℃,熔炼时间为9h,且熔炼炉的升温速率为80℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
实施例5
一种磁性材料,包括以下原料:Fe95kg、Co4.2kg、Ru0.6kg、Y0.8kg、W0.5kg、As0.4kg、Ti0.8kg、Re0.6kg、Dy0.7kg、Ni3.0kg、Ce0.9kg、Nb1.8kg和Nd2.9kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1780℃,熔炼时间为8.5h,且熔炼炉的升温速率为78℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
实施例6
一种磁性材料,包括以下原料:Fe90kg、Co3.6kg、Ru0.5kg、Y0.7kg、W0.4kg、As0.3kg、Ti0.7kg、Re0.5kg、Dy0.6kg、Ni2.5kg、Ce0.8kg、Nb1.5kg和Nd2.3kg。
上述的一种磁性材料的制备方法,按照以下步骤进行:
(1)先将所述原料通过球磨机研磨至粒径≤2mm混合制得混合料;
(2)再将所述混合料输送至熔炼炉中熔融成铸锭,熔炼温度为1640℃℃,熔炼时间为9h,且熔炼炉的升温速率为70℃/min;
(3)之后待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末,具体的是通过球磨机将铸锭研磨至粒径≤1mm;
(4)最后将磁性材料粉末通过压制成型即制得本发明的磁性材料。
磁性检测
对上述实施例1-3制得的磁性材料进行磁性检测,具体检测项目及数据见下表1;
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (8)

1.一种磁性材料,其特征在于,包括以下按重量份计的原料:Fe80-100份、Co2.4-4.8份、Ru0.2-0.8份、Y0.4-1.0份、W0.2-0.7份、As0.1-0.5份、Ti0.4-0.9份、Re0.2-0.8份、Dy0.3-0.9份、Ni1.7-3.5份、Ce0.5-1.1份、Nb0.7-2.1份和Nd1.3-3.3份。
2.根据权利要求1所述的一种磁性材料,其特征在于,包括以下按重量份计的原料:Fe85-95份、Co3.0-4.2份、Ru0.4-0.6份、Y0.6-0.8份、W0.3-0.5份、As0.2-0.4份、Ti0.6-0.8份、Re0.4-0.6份、Dy0.5-0.7份、Ni2.0-3.0份、Ce0.7-0.9份、Nb1.2-1.8份和Nd1.7-2.9份。
3.根据权利要求2所述的一种磁性材料,其特征在于,包括以下按重量份计的原料:Fe90份、Co3.6份、Ru0.5份、Y0.7份、W0.4份、As0.3份、Ti0.7份、Re0.5份、Dy0.6份、Ni2.5份、Ce0.8份、Nb1.5份和Nd2.3份。
4.一种如权利要求1-3任意一项所述的磁性材料的制备方法,其特征在于,包括以下步骤:
(1)按所述重量份配比称取原料单质;
(2)将原料混合研磨,得混合料;
(3)将所述混合料在高温下熔融成铸锭;
(4)待所述铸锭冷却至室温后,破碎研磨得磁性材料粉末;
(5)最后将磁性材料粉末通过压制成型即可。
5.根据权利要求4所述的一种磁性材料的制备方法,其特征在于,在步骤(2)中,所述混合料是通过球磨机研磨至粒径≤2mm混合制得的。
6.根据权利要求4所述的一种磁性材料的制备方法,其特征在于,在步骤(3)中,所述混合料是输送至熔炼炉中进行熔炼处理,熔炼温度为1640℃~1820℃,熔炼时间为7~9h。
7.根据权利要求6所述的一种磁性材料的制备方法,其特征在于,所述熔炼炉的升温速率为70-80℃/min。
8.根据权利要求4所述的一种磁性材料的制备方法,其特征在于,在步骤(5)中,所述磁性材料粉末是通过球磨机将铸锭研磨至粒径≤1mm制得的。
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