CN106396655A - Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof - Google Patents

Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof Download PDF

Info

Publication number
CN106396655A
CN106396655A CN201610718398.1A CN201610718398A CN106396655A CN 106396655 A CN106396655 A CN 106396655A CN 201610718398 A CN201610718398 A CN 201610718398A CN 106396655 A CN106396655 A CN 106396655A
Authority
CN
China
Prior art keywords
principal component
oxide
soft magnetic
magnetic ferrite
low
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.)
Withdrawn
Application number
CN201610718398.1A
Other languages
Chinese (zh)
Inventor
王久如
沈建元
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.)
TIANCHANG ZHONGDE ELECTRONICS CO Ltd
Original Assignee
TIANCHANG 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 TIANCHANG ZHONGDE ELECTRONICS CO Ltd filed Critical TIANCHANG ZHONGDE ELECTRONICS CO Ltd
Priority to CN201610718398.1A priority Critical patent/CN106396655A/en
Publication of CN106396655A publication Critical patent/CN106396655A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped 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
    • C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/26—Shaped 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
    • C04B35/2608—Compositions 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
    • C04B35/2633—Compositions 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3258—Tungsten oxides, tungstates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3262—Manganese oxides, manganates, rhenium oxides or oxide-forming salts thereof, e.g. MnO
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3298—Bismuth oxides, bismuthates or oxide forming salts thereof, e.g. zinc bismuthate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Landscapes

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

Abstract

The invention discloses a soft magnetic ferrite material with low loss and low distortion characteristics, the soft magnetic ferrite material includes main ingredients and subsidiary ingredients, the weight ratio of the main ingredients to the subsidiary ingredients is 1: (0.2-0.3); the main ingredients include zinc oxide ZnO, iron oxide Fe2O3, aluminum oxide Al2O3, tungsten oxide WO3 and balance of nickel oxide NiO, the subsidiary ingredients include calcium carbonate, cobalt oxide, bismuth oxide, silicon dioxide, zirconium dioxide, talc powder and mica powder, relative to the total amount of the main ingredients, the subsidiary ingredients include CaCO3, Co2O3, Bi2O3, SiO2, ZrO2, the talc powder and the mica powder. The invention also discloses a preparation method of the soft magnetic ferrite material with the low loss and low distortion characteristics. The soft magnetic ferrite material prepared by the method has excellent low loss and low distortion characteristics.

Description

A kind of soft magnetic ferrite of low-loss low distortion characteristic and preparation method thereof
Technical field
The present invention relates to soft magnetic ferrite, more particularly, to a kind of soft magnetic ferrite of low-loss low distortion characteristic And preparation method thereof.
Background technology
With the fast development of digital communication technology and Fibre Optical Communication Technology, traditional artificial traffic equipment is continuously updated Eliminate.In electronic circuit wide-band transformer, the pulse in the field such as ISDN(Integrated Service Digital Network), LAN, wide area network, background illumination becomes The high magnetic conductivity ferrite magnetic core of common mode filtering inductance in depressor and photovoltaic DC-to-AC converter, because transformer etc. is sent out towards miniaturization Exhibition, therefore requirements at the higher level are proposed to ferritic magnetic characteristic, particularly in the Current electronic information age, external environment various Electronic interferences are increasingly serious, need ferrite to have high initial permeability, high saturated magnetic induction, high-curie temperature, high resistant Resist and broadband properties.
The low-loss low distortion characteristic of soft magnetic ferrite of the prior art cannot meet the demand of prior art, therefore urgently A kind of soft magnetic ferrite of low-loss low distortion characteristic need to be designed to solve the problems of the prior art.
Content of the invention
For solving technical problem present in background technology, the present invention proposes a kind of soft magnet of low-loss low distortion characteristic Ferrite and preparation method thereof, the soft magnetic ferrite preparing has excellent low-loss low distortion characteristic.
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：(0.2-0.3)；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：52.3-56.9mol%, ZnO：22.4-26.6mol%, Al2O3：3.5-9.5mol%, WO3：1.5-3.5mol%, balance of NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.1-0.3wt%, Co2O3： 0.035-0.10wt%, Bi2O3：0.05-0.45wt%, SiO2：0.06-0.12wt%, ZrO2：0.01-0.05wt%, talcum Powder：0.1-0.5wt%, mica powder：0.3-0.6wt%.
Preferably, in principal component, Al2O3Using the Ultramicro-powder of purity more than 99%, particle mean size is less than 5 μm.
Preferably, in accessory ingredient, MnCO3Using purity more than 99%, granularity is less than the fine powder of 320 mesh.
Preferably, in accessory ingredient, SiO2Purity more than 94%, particle mean size be less than 1 μm.
Preferably, including principal component and accessory ingredient, described principal component with secondary become weight ratio for 1：(0.22-0.28)；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：52.4-56.8mol%, ZnO：23.4-25.6mol%, Al2O3：3.8-9.2mol%, WO3：1.8-3.2mol%, balance of NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.15-0.25wt%, Co2O3：0.045-0.09wt%, Bi2O3：0.15-0.35wt%, SiO2：0.08-0.10wt%, ZrO2：0.02-0.04wt%, Talcum powder：0.2-0.4wt%, mica powder：0.4-0.5wt%.
Preferably, including principal component and accessory ingredient, described principal component with secondary become weight ratio for 1：0.25；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：54.6mol%, ZnO：24.5mol%, Al2O3：6.5mol%, WO3：2.5mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.2wt%, Co2O3： 0.0675wt%, Bi2O3：0.25wt%, SiO2：0.09wt%, ZrO2：0.03wt%, talcum powder：0.3wt%, mica powder： 0.45wt%.
A kind of preparation method of the soft magnetic ferrite of low-loss low distortion characteristic of the present invention, comprises the steps：
S1, mixing：Carry out dry mixed 60-90min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning；
S3, pulverizing：Carry out wet pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains；
S4, granulation：Add the PVA of the 1.6-2.2% being equivalent to slip weight in the slip of upper step, using mist projection granulating, Obtain particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature is to 900 DEG C when；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 7-10%, 900 DEG C to 1100 DEG C heating rates are 100-120℃/h；When 1100 DEG C to 1250-1350 DEG C, heating rate is 300-400 DEG C/h, at 1250-1350 DEG C.
Preferably, in S2, calcined temperature is controlled to 950-1250 DEG C, and burn-in time is 240-300min.
Preferably, in S3, grinding time is 150-250min, and after pulverizing, slip size controlling is at 2.2-2.6 μm.
Preferably, in S5, the pressed density of blank controls in 3.45-3.85g/cm3.
A kind of soft magnetic ferrite of the low-loss low distortion characteristic of the present invention, including principal component and accessory ingredient, wherein Principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide；Described accessory ingredient includes calcium carbonate, cobalt oxide, oxygen Change bismuth, silica, zirconium dioxide, talcum powder and mica powder.Iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide are entered Row dry mixed, then carries out pre-burning, is subsequently adding calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder Carry out wet pulverizing with mica powder, be subsequently added into PVA and carry out mixing granulation, be then sintered, be cooled to room temperature and obtain The soft magnetic ferrite of low-loss low distortion characteristic.The soft magnetic ferrite that the present invention prepares has excellent low damage Consumption low distortion characteristic.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail it should be appreciated that embodiment is served only for this is described Bright, rather than be used for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are all at this In bright protection domain.
Embodiment 1
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：0.25；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：54.6mol%, ZnO：24.5mol%, Al2O3：6.5mol%, WO3：2.5mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.2wt%, Co2O3： 0.0675wt%, Bi2O3：0.25wt%, SiO2：0.09wt%, ZrO2：0.03wt%, talcum powder：0.3wt%, mica powder： 0.45wt%.
Embodiment 2
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：0.2；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：52.3mol%, ZnO：26.6mol%, Al2O3：3.5mol%, WO3：3.5mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.1wt%, Co2O3： 0.10wt%, Bi2O3：0.05wt%, SiO2：0.12wt%, ZrO2：0.01wt%, talcum powder：0.5wt%, mica powder： 0.3wt%.
A kind of preparation method of the soft magnetic ferrite of low-loss low distortion characteristic of the present invention, comprises the steps：
S1, mixing：Carry out dry mixed 60-90min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning, calcined temperature is controlled to 950 DEG C, burn-in time For 300min；
S3, pulverizing：Carry out wet pulverizing, during pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains Between be 150min, after pulverizing, slip size controlling is at 2.6 μm；
S4, granulation：Add be equivalent to slip weight 1.6% PVA in the slip of upper step, using mist projection granulating, obtain Particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting, the pressed density of blank controls 3.85g/cm3；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature is to 900 DEG C when；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 7%, 900 DEG C to 1100 DEG C heating rates are 120 DEG C/ h；When 1100 DEG C to 1250 DEG C, heating rate is 400 DEG C/h, at 1250 DEG C.
Embodiment 3
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：0.3；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：56.9mol%, ZnO：22.4mol%, Al2O3：9.5mol%, WO3：1.5mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.3wt%, Co2O3： 0.035wt%, Bi2O3：0.45wt%, SiO2：0.06wt%, ZrO2：0.05wt%, talcum powder：0.1wt%, mica powder： 0.6wt%.
A kind of preparation method of the soft magnetic ferrite of low-loss low distortion characteristic of the present invention, comprises the steps：
S1, mixing：Carry out dry mixed 90min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning, calcined temperature is controlled to 950 DEG C, burn-in time For 300min；
S3, pulverizing：Carry out wet pulverizing, during pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains Between be 150min, after pulverizing, slip size controlling is at 2.6 μm；
S4, granulation：Add be equivalent to slip weight 1.6% PVA in the slip of upper step, using mist projection granulating, obtain Particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting, the pressed density of blank controls 3.85g/cm3；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature is to 900 DEG C when；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 7%, 900 DEG C to 1100 DEG C heating rates are 120 DEG C/ h；When 1100 DEG C to 1250 DEG C, heating rate is 400 DEG C/h, at 1250 DEG C.
Embodiment 4
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：0.22；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：52.4mol%, ZnO：25.6mol%, Al2O3：3.8mol%, WO3：3.2mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.15wt%, Co2O3： 0.09wt%, Bi2O3：0.15wt%, SiO2：0.10wt%, ZrO2：0.02wt%, talcum powder：0.4wt%, mica powder： 0.4wt%.
A kind of preparation method of the soft magnetic ferrite of low-loss low distortion characteristic of the present invention, comprises the steps：
S1, mixing：Carry out dry mixed 65min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning, calcined temperature is controlled to 1220 DEG C, during pre-burning Between be 250min；
S3, pulverizing：Carry out wet pulverizing, during pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains Between be 220min, after pulverizing, slip size controlling is at 2.3 μm；
S4, granulation：Add be equivalent to slip weight 2.1% PVA in the slip of upper step, using mist projection granulating, obtain Particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting, the pressed density of blank controls 3.45g/cm3；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature is to 900 DEG C when；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 9%, 900 DEG C to 1100 DEG C heating rates are 105 DEG C/ h；When 1100 DEG C to 1320 DEG C, heating rate is 320 DEG C/h, at 1320 DEG C.
Embodiment 5
A kind of soft magnetic ferrite of low-loss low distortion characteristic proposed by the present invention, including principal component and accessory ingredient, Described principal component with secondary become weight ratio for 1：0.28；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is marked with respective The content of quasi- thing meter is as follows：Fe2O3：56.8mol%, ZnO：23.4mol%, Al2O3：9.2mol%, WO3：1.8mol%, surplus For NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, Relatively described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.25wt%, Co2O3： 0.045wt%, Bi2O3：0.35wt%, SiO2：0.08wt%, ZrO2：0.04wt%, talcum powder：0.2wt%, mica powder： 0.5wt%.
A kind of preparation method of the soft magnetic ferrite of low-loss low distortion characteristic of the present invention, comprises the steps：
S1, mixing：Carry out dry mixed 85min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning, calcined temperature is controlled to 980 DEG C, burn-in time For 290min；
S3, pulverizing：Carry out wet pulverizing, during pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains Between be 180min, after pulverizing, slip size controlling is at 2.5 μm；
S4, granulation：Add be equivalent to slip weight 1.7% PVA in the slip of upper step, using mist projection granulating, obtain Particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting, the pressed density of blank controls 3.85g/cm3；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature is to 900 DEG C when；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 8%, 900 DEG C to 1100 DEG C heating rates are 115 DEG C/ h；When 1100 DEG C to 1280 DEG C, heating rate is 380 DEG C/h, at 1280 DEG C.
Performance survey is carried out to the soft magnetic ferrite of the low-loss low distortion characteristic obtaining in embodiment 1- embodiment 5 Examination, the characteristic obtaining is as shown in table 1.
Table 1：
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.

Claims (10)

1. a kind of soft magnetic ferrite of low-loss low distortion characteristic is it is characterised in that including principal component and accessory ingredient, described Principal component with secondary become weight ratio for 1：(0.2-0.3)；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is with respective reference material The content of meter is as follows：Fe2O3：52.3-56.9mol%, ZnO：22.4-26.6mol%, Al2O3：3.5-9.5mol%, WO3： 1.5-3.5mol%, balance of NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, relatively Described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.1-0.3wt%, Co2O3： 0.035-0.10wt%, Bi2O3：0.05-0.45wt%, SiO2：0.06-0.12wt%, ZrO2：0.01-0.05wt%, talcum Powder：0.1-0.5wt%, mica powder：0.3-0.6wt%.
2. the soft magnetic ferrite of low-loss low distortion characteristic according to claim 1 is it is characterised in that principal component In, Al2O3Using the Ultramicro-powder of purity more than 99%, particle mean size is less than 5 μm.
3. the soft magnetic ferrite of low-loss low distortion characteristic according to claim 1 and 2 is it is characterised in that pair becomes In point, MnCO3Using purity more than 99%, granularity is less than the fine powder of 320 mesh.
4. the low-loss low distortion characteristic according to any one of claim 1-3 soft magnetic ferrite it is characterised in that In accessory ingredient, SiO2Purity more than 94%, particle mean size be less than 1 μm.
5. the low-loss low distortion characteristic according to any one of claim 1-4 soft magnetic ferrite it is characterised in that Including principal component and accessory ingredient, described principal component with secondary become weight ratio for 1：(0.22-0.28)；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is with respective reference material The content of meter is as follows：Fe2O3：52.4-56.8mol%, ZnO：23.4-25.6mol%, Al2O3：3.8-9.2mol%, WO3： 1.8-3.2mol%, balance of NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, relatively Described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.15-0.25wt%, Co2O3： 0.045-0.09wt%, Bi2O3：0.15-0.35wt%, SiO2：0.08-0.10wt%, ZrO2：0.02-0.04wt%, talcum Powder：0.2-0.4wt%, mica powder：0.4-0.5wt%.
6. the low-loss low distortion characteristic according to any one of claim 1-5 soft magnetic ferrite it is characterised in that Including principal component and accessory ingredient, described principal component with secondary become weight ratio for 1：0.25；
Wherein principal component includes iron oxide, zinc oxide, aluminum oxide, tungsten oxide and nickel oxide, and described principal component is with respective reference material The content of meter is as follows：Fe2O3：54.6mol%, ZnO：24.5mol%, Al2O3：6.5mol%, WO3：2.5mol%, balance of NiO；
Described accessory ingredient includes calcium carbonate, cobalt oxide, bismuth oxide, silica, zirconium dioxide, talcum powder and mica powder, relatively Described principal component total amount, content in terms of respective reference material for the described accessory ingredient is as follows：MnCO3：0.2wt%, Co2O3： 0.0675wt%, Bi2O3：0.25wt%, SiO2：0.09wt%, ZrO2：0.03wt%, talcum powder：0.3wt%, mica powder： 0.45wt%.
7. the preparation side of the soft magnetic ferrite of low-loss low distortion characteristic described in a kind of any one according to claim 1-6 Method is it is characterised in that comprise the steps：
S1, mixing：Carry out dry mixed 60-90min by after principal component proportion ingredient；
S2, pre-burning：The material mixing is carried out in pushed bat kiln pre-burning；
S3, pulverizing：Carry out wet pulverizing after adding accessory ingredient in the principal component Preburning material that upper step pre-burning obtains；
S4, granulation：Add the PVA of the 1.6-2.2% being equivalent to slip weight in the slip of upper step, using mist projection granulating, obtain Particulate material；
S5, compacting：The particulate material of upper step is obtained blank using powder former compacting；
S6, sintering：Blank is put in resistance furnace and is sintered, during sintering, temperature controlled processes are：Room temperature to 900 DEG C When；From 900 DEG C, in stove, it is continually fed into N2, wherein oxygen partial pressure 7-10%, 900 DEG C to 1100 DEG C heating rates are 100- 120℃/h；When 1100 DEG C to 1250-1350 DEG C, heating rate is 300-400 DEG C/h, at 1250-1350 DEG C.
8. the preparation method of the soft magnetic ferrite of low-loss low distortion characteristic according to claim 7, its feature exists In in S2, calcined temperature is controlled to 950-1250 DEG C, and burn-in time is 240-300min.
9. the preparation method of the soft magnetic ferrite of low-loss low distortion characteristic according to claim 7 or 8, its feature It is, in S3, grinding time is 150-250min, and after pulverizing, slip size controlling is at 2.2-2.6 μm.
10. the preparation method of the soft magnetic ferrite of low-loss low distortion characteristic according to any one of claim 7-9, It is characterized in that, in S5, the pressed density of blank controls in 3.45-3.85g/cm3.
CN201610718398.1A 2016-08-25 2016-08-25 Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof Withdrawn CN106396655A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610718398.1A CN106396655A (en) 2016-08-25 2016-08-25 Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610718398.1A CN106396655A (en) 2016-08-25 2016-08-25 Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106396655A true CN106396655A (en) 2017-02-15

Family

ID=58004337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610718398.1A Withdrawn CN106396655A (en) 2016-08-25 2016-08-25 Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106396655A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111138183A (en) * 2019-12-31 2020-05-12 天长市中德电子有限公司 Manganese-zinc ferrite material with low loss and high Bs (saturation magnetic saturation) and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603278A (en) * 2012-03-07 2012-07-25 天通控股股份有限公司 Stress-resistant nickel zinc ferrite with initial permeability of 120, and preparation method of stress-resistant nickel zinc ferrite
CN102690109A (en) * 2012-03-19 2012-09-26 横店集团东磁股份有限公司 Soft-magnetic nickel-copper-zinc ferrite material and preparation method thereof
CN102690110A (en) * 2012-04-23 2012-09-26 横店集团东磁股份有限公司 NiCuZn soft magnetic ferrite material used for low temperature co-sintering and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102603278A (en) * 2012-03-07 2012-07-25 天通控股股份有限公司 Stress-resistant nickel zinc ferrite with initial permeability of 120, and preparation method of stress-resistant nickel zinc ferrite
CN102690109A (en) * 2012-03-19 2012-09-26 横店集团东磁股份有限公司 Soft-magnetic nickel-copper-zinc ferrite material and preparation method thereof
CN102690110A (en) * 2012-04-23 2012-09-26 横店集团东磁股份有限公司 NiCuZn soft magnetic ferrite material used for low temperature co-sintering and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
黄建新等: "各种添加剂对NiZn铁氧体性能的影响", 《磁性材料与器件》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111138183A (en) * 2019-12-31 2020-05-12 天长市中德电子有限公司 Manganese-zinc ferrite material with low loss and high Bs (saturation magnetic saturation) and preparation method thereof

Similar Documents

Publication Publication Date Title
CN103724006B (en) A kind of manufacture method of wideband superhigh magnetic conductivity MnZn Ferrite Material
CN105198395B (en) A kind of heat shock resistance power nickel-zinc ferrite and preparation method thereof
CN102603279A (en) High-strength high-Bs (saturation magnetic induction intensity) nickel-zinc ferrite and preparation method thereof
JP2018517288A (en) Soft magnetic MnZn-based power ferrite
CN105367048A (en) Manganese zinc ferrite material and preparation technology thereof
CN101913851A (en) Wide-temperature high-permeability Mn-Zn soft magnetic ferrite material and magnetic core prepared therefrom as well as preparation method thereof
CN103524124A (en) Sintering method of high-magnetic-permeability MnZn ferrite material
CN109485403A (en) A kind of high BsLow loss soft magnetic ferrite material and preparation method thereof
CN104529426A (en) High-Bs low-loss manganese-zinc ferrite material applicable to 120-160 DEG C and manufacturing method thereof
CN110218087B (en) Preparation method of negative temperature coefficient thermistor material
CN103382104B (en) Rare-earth-doped soft-magnetic ferrite and preparation method thereof
CN103265275A (en) NiCuZn ferrite material and preparation method thereof
CN105384435B (en) A kind of 4 yuan of formula superelevation Bs MnZn ferrite materials and preparation method
CN102063989B (en) High-saturation magnetic flux, high-direct current superposition and low-loss soft magnetic material and preparation method thereof
CN106396655A (en) Soft magnetic ferrite material with low loss and low distortion characteristics and preparation method thereof
JP5871017B2 (en) Wire-wound coil component having a magnetic material and a core formed using the same
CN106348741A (en) Wide-temperature and wideband zinc-nickel soft magnetic ferrite material and preparation method thereof
CN104496448A (en) LiZnTi gyromagnetic ferrite material and preparation method thereof
JP4279923B2 (en) MnMgCuZn ferrite material
CN106348742A (en) Soft magnetic ferrite material with high magnetic conductivity and low temperature coefficient and preparation method thereof
CN101552067A (en) MnZn ferrite magnetic material with high saturation magnetization and high impedance and manufacturing method thereof
CN106396657A (en) Broadband low loss soft magnetic ferrite material and preparation method thereof
CN110723967B (en) Direct-current bias resistant low-temperature sintered ferrite material and preparation method thereof
US20240006103A1 (en) MnZn-BASED FERRITE AND METHOD FOR PRODUCING SAME
CN103382105B (en) Nickel-zinc soft magnetic ferrite material and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20170215