CN111116191A - 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 PDF

Info

Publication number
CN111116191A
CN111116191A CN201911422011.8A CN201911422011A CN111116191A CN 111116191 A CN111116191 A CN 111116191A CN 201911422011 A CN201911422011 A CN 201911422011A CN 111116191 A CN111116191 A CN 111116191A
Authority
CN
China
Prior art keywords
soft magnetic
ferrite material
magnetic ferrite
zno
loss
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911422011.8A
Other languages
English (en)
Other versions
CN111116191B (zh
Inventor
瞿德林
沈建元
王久如
王晓祥
李丛俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongde Electronics Co ltd
Original Assignee
Zhongde Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongde Electronics Co ltd filed Critical Zhongde Electronics Co ltd
Priority to CN201911422011.8A priority Critical patent/CN111116191B/zh
Publication of CN111116191A publication Critical patent/CN111116191A/zh
Application granted granted Critical
Publication of CN111116191B publication Critical patent/CN111116191B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2608Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2633Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
    • C04B35/2641Compositions containing one or more ferrites of the group comprising rare earth metals and one or more ferrites of the group comprising alkali metals, alkaline earth metals or lead
    • HELECTRICITY
    • 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
    • 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
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/342Oxides
    • H01F1/344Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225Yttrium oxide or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3239Vanadium oxides, vanadates or oxide forming salts thereof, e.g. magnesium vanadate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3298Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/442Carbonates
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562Heating rate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567Treatment time
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)

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

一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法
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 (9)

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。
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。
4.一种如权利要求1-3任一项所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,其特征在于,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。
5.根据权利要求4所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,其特征在于,所述步骤S1中,预烧处理的温度为820-860℃,时间为1.5-2.5h。
6.根据权利要求4或5所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,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。
7.根据权利要求4-6任一项所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,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%。
8.根据权利要求4-7任一项所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,其特征在于,所述步骤S4中,压制成型的压力为10-12MPa。
9.根据权利要求4-8任一项所述的高磁导率低损耗锰锌软磁铁氧体材料的制备方法,其特征在于,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。
CN201911422011.8A 2019-12-31 2019-12-31 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法 Active CN111116191B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911422011.8A CN111116191B (zh) 2019-12-31 2019-12-31 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911422011.8A CN111116191B (zh) 2019-12-31 2019-12-31 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法

Publications (2)

Publication Number Publication Date
CN111116191A true CN111116191A (zh) 2020-05-08
CN111116191B CN111116191B (zh) 2022-02-15

Family

ID=70507015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911422011.8A Active CN111116191B (zh) 2019-12-31 2019-12-31 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法

Country Status (1)

Country Link
CN (1) CN111116191B (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112125658A (zh) * 2020-09-30 2020-12-25 山东春光磁电科技有限公司 电磁炉加热板用磁泥粉及其制备方法
CN112562958A (zh) * 2020-11-27 2021-03-26 天长市中德电子有限公司 一种低温烧结锰锌软磁铁氧体材料的制备方法
CN112707724A (zh) * 2020-12-29 2021-04-27 日照亿鑫电子材料有限公司 一种高磁导率锰锌铁氧体磁性材料及其制备方法
CN113185276A (zh) * 2021-05-13 2021-07-30 湖北华磁电子科技有限公司 常温高标软磁铁氧体材料及材料的制备方法
CN115368125A (zh) * 2022-06-18 2022-11-22 信丰天科磁业有限公司 一种高抗折强度锰锌软磁铁氧体材料及其制造方法
CN115716745A (zh) * 2022-10-28 2023-02-28 重庆科技学院 一种汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112125658A (zh) * 2020-09-30 2020-12-25 山东春光磁电科技有限公司 电磁炉加热板用磁泥粉及其制备方法
CN112125658B (zh) * 2020-09-30 2021-05-11 山东春光磁电科技有限公司 电磁炉加热板用磁泥粉及其制备方法
CN112562958A (zh) * 2020-11-27 2021-03-26 天长市中德电子有限公司 一种低温烧结锰锌软磁铁氧体材料的制备方法
CN112707724A (zh) * 2020-12-29 2021-04-27 日照亿鑫电子材料有限公司 一种高磁导率锰锌铁氧体磁性材料及其制备方法
CN113185276A (zh) * 2021-05-13 2021-07-30 湖北华磁电子科技有限公司 常温高标软磁铁氧体材料及材料的制备方法
CN115368125A (zh) * 2022-06-18 2022-11-22 信丰天科磁业有限公司 一种高抗折强度锰锌软磁铁氧体材料及其制造方法
CN115716745A (zh) * 2022-10-28 2023-02-28 重庆科技学院 一种汽车电子用宽温高磁导率锰锌软磁铁氧体及制备方法

Also Published As

Publication number Publication date
CN111116191B (zh) 2022-02-15

Similar Documents

Publication Publication Date Title
CN111116191B (zh) 一种高磁导率低损耗锰锌软磁铁氧体材料及其制备方法
CN107324794B (zh) 一种宽频、高阻抗、高居里温度的锰锌铁氧体材料及其制备方法
CN110204325B (zh) 铁氧体材料及其制备方法
JP4823531B2 (ja) 酸化物磁性材料
KR101548775B1 (ko) 니켈-아연-구리계 페라이트 조성물, 및 이를 이용한 적층형 칩 소자
CN110937887B (zh) 一种高频低损耗MnZn铁氧体材料及其制备方法
KR100627117B1 (ko) 페라이트 재료
KR20100035113A (ko) MnZnLi계 페라이트
JP4523430B2 (ja) 高飽和磁束密度Mn−Zn−Ni系フェライト
JP3584439B2 (ja) Mn−Znフェライトおよびその製造方法
JP3588693B2 (ja) Mn−Zn系フェライトおよびその製造方法
JP2005132715A (ja) Ni−Cu−Zn系フェライト材料及びその製造方法
JP3288113B2 (ja) Mn−Znフェライト磁性材料
CN111362680A (zh) 一种高频低损耗FeMnZnNi铁氧体材料及其制备方法
JP4813025B2 (ja) 高飽和磁束密度Mn−Zn−Ni系フェライト
JP2007297232A (ja) 酸化物磁性材料の製造方法
CN110723967B (zh) 一种抗直流偏置低温烧结铁氧体材料及其制备方法
JP2008169072A (ja) Mn−Zn系フェライト
WO2013002143A1 (ja) フェライト材料、及びノイズ吸収部品
CN109095915A (zh) 制备高性能MnZn铁氧体的In(Cd,Ga)、Ni、Ti、Co离子联合替代方法
JP2004262710A (ja) Mn−Zn系フェライトおよびその製造方法
JP2004035372A (ja) 低損失フェライト材料
JP5716538B2 (ja) フェライト組成物および電子部品
JP5929119B2 (ja) フェライト組成物および電子部品
JP4766339B2 (ja) 焼結フェライト及びその製造方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant