CN109022999A - Ceramic-metal composite - Google Patents

Ceramic-metal composite Download PDF

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Publication number
CN109022999A
CN109022999A CN201810934004.5A CN201810934004A CN109022999A CN 109022999 A CN109022999 A CN 109022999A CN 201810934004 A CN201810934004 A CN 201810934004A CN 109022999 A CN109022999 A CN 109022999A
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Prior art keywords
ceramic
metal composite
materials
zno
cdo
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CN201810934004.5A
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Inventor
赵浩峰
张椿英
于鹏
柴阜桐
黄志成
马明凯
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Anhui Institute of Information Engineering
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Anhui Institute of Information Engineering
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Priority to CN201810934004.5A priority Critical patent/CN109022999A/en
Publication of CN109022999A publication Critical patent/CN109022999A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/12Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/04Making non-ferrous alloys by powder metallurgy
    • C22C1/05Mixtures of metal powder with non-metallic powder
    • C22C1/051Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C29/00Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/005Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses a kind of ceramic-metal composite, the ceramic-metal composite is made of materials A, material B, material C and material D;Wherein, the material composition of materials A includes: C, Nd, Cd, Cr, Si, Ce and Fe;The material composition of material B includes: Nd, Ce, Au, Fe, Cd, Si, Pb and Sn;The material composition of material C includes: CdO, PbO2、ZnO2、CaO、Ce2O3、Al2O3And SiO2;The material composition of material D includes: CdO, PbO2、Ce2O3、MgO、ZnO2And Fe2O3.Solve the problems, such as that the service performance of traditional ceramic-metal composite is relatively low.

Description

Ceramic-metal composite
Technical field
The present invention relates to electronic technology fields, and in particular, to a kind of ceramic-metal composite.
Background technique
Ceramic-metal composite be widely used in electronic transformer, filter, the magnetic core of inductor, power adapter, The fields such as computer, audio-visual equipment and mobile communication;The Chinese patent of Patent No. CN201510839869X discloses a kind of high The preparation method of saturation flux density magnetic ferrite magnetic core material, the magnetic ferrite magnetic core material is by Fe2O3、MgO、 Ni2O3、ZnO、MnO、Cr2O3、Nb2O5、InSb、Gd2O3、Tb4O7、SiO2、Bi2O3、Co2O3、SnO2、CaCO3、BaCO3、SrMoO4 Equal raw materials composition;Material of the present invention passes through Primary batching system, a ball milling, once sintered, second batch, secondary ball milling, is pressed into Type, double sintering and etc. be made, but service performance is also relatively low.
Summary of the invention
The object of the present invention is to provide a kind of ceramic-metal composites, solve traditional ceramic-metal composite The relatively low problem of service performance.
To achieve the goals above, the present invention provides a kind of ceramic-metal composite, the cermet composite woods Material is made of materials A, material B, material C and material D;
Wherein, the material composition of materials A includes: C, Nd, Cd, Cr, Si, Ce and Fe;
The material composition of material B includes: Nd, Ce, Au, Fe, Cd, Si, Pb and Sn;
The material composition of material C includes: CdO, PbO2、ZnO2、CaO、Ce2O3、Al2O3And SiO2
The material composition of material D includes: CdO, PbO2、Ce2O3、MgO、ZnO2And Fe2O3
Through the above technical solutions, the present invention provides a kind of ceramic-metal composites, wherein materials A is alloy material Material itself has soft magnetism, the gap of also fillable ferrite base-material D, close material matrix.Wherein Cr plays Toughened Materials Effect, Nd, Cd refine the crystal grain of magnetically soft alloy itself.The soft magnetism of Nd, Ce, Si reinforced alloys is the magnetism of ferrite matrix Enhancing plays relay supplementary function.Material C is low melting point inorganic material, and the two mixed sintering forms low melting point composite layer, makes materials A There is liquid-phase sintering effect.Material D is ferrite base-material, MgO, ZnO2、Fe2O3For ferrite bulk composition.CdO promotes crystal raw It is long, reduce stomata;Rare earth oxide Ce2O3Promote crystal grain homoepitaxial in the material, inhibits abnormal grain growth.Material B is low Melting metallic alloy material can effectively wrap up ferrite crystal grains, can effectively facilitate grain growth and inhibit the annexation of crystal grain, so that crystal grain Homoepitaxial, stomata are reduced, and the porosity in crystal boundary and crystal grain reduces, and improve ferritic microstructure, domain wall displacement and magnetic Farmland rotary resistance reduces, therefore magnetic hystersis loss reduces;Low-melting alloy can play the work of toughening ferrite base-material grain boundary simultaneously With.Nd, Ce therein can be refined and reinforced alloys, improves the toughness and intensity at ferrite crystal grains interface.Gold provided by the invention Belong to ceramic composite, there is good magnetic property, while with good stability and practicability, can be widely applied to electronics Devices field etc..
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the organization chart of ceramic-metal composite provided by the invention.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of ceramic-metal composite, the ceramic-metal composite is by materials A, material B, material Expect C and material D composition;
Wherein, the material composition of materials A includes: C, Nd, Cd, Cr, Si, Ce and Fe;
The material composition of material B includes: Nd, Ce, Au, Fe, Cd, Si, Pb and Sn;
The material composition of material C includes: CdO, PbO2、ZnO2、CaO、Ce2O3、Al2O3And SiO2
The material composition of material D includes: CdO, PbO2、Ce2O3、MgO、ZnO2And Fe2O3
In a preferred embodiment of the invention, in order to further increase the usability of ceramic-metal composite Can, materials A includes following raw material ingredient: C 2.3-2.8%, Nd 3-8%, Cd 0.01-0.05%, Cr 21- 25%, Si 5-8%, Ce 0.2-0.5% and surplus Fe.
In a preferred embodiment of the invention, in order to further increase the usability of ceramic-metal composite Can, material B includes following raw material ingredient: Nd 3-8%, Ce 0.2-0.5%, Au 1-1.3%, Fe 1-5%, Cd 0.01-0.05%, Si 0.02-0.07%, Pb 9-11% and surplus Sn.
In a preferred embodiment of the invention, in order to further increase the usability of ceramic-metal composite Can, material C includes following raw material ingredient: CdO 0.1-0.4%, PbO20.1-0.4%, ZnO20.3-0.9%, CaO 8-12%, Ce2O31-4%, Al2O30.1-0.4% and surplus SiO2
In a preferred embodiment of the invention, in order to further increase the usability of ceramic-metal composite Can, material D includes following raw material ingredient: CdO 0.1-0.4%, PbO23-9%, Ce2O30.1-0.4%, MgO 3- 9%, ZnO23-9% and surplus Fe2O3
In a preferred embodiment of the invention, in order to further increase the usability of ceramic-metal composite Can, materials A, material B, material C and material D weight ratio be 1:0.1-0.5:0.1-0.3:30.
The present invention will be described in detail by way of examples below.In following embodiment, ceramic-metal composite It is specific the preparation method is as follows:
The preparation of materials A: weight percentage will be shone are as follows: C, Nd, Cd, Cr, Si, Ce and Fe carry out mix, the conjunction C, Nd, Cd, Cr, Si, Ce, Fe used in golden material are pure material (constituent content is greater than 99.9%), and raw material is first put into induction furnace In in, heat up melting, keep the temperature 22 minutes after reaching 1615 DEG C of smelting temperature, so by alloy liquid inject positioned at atomizer it On tundish in, aluminium alloy is flowed out by tundish bottom leakage eye, and meeting when passing through nozzle with high-speed flow, to be atomized be tiny Drop, atomized drop are rapidly solidificated into alloy powder in closed atomizing cup, and alloy powder average particle size is 7 μm, atomization Gas pressure is 5MPa, and liquid metal fluid flow is 2.5kg/min, and it is 1580 DEG C that alloy liquid, which injects temperature, and atomizing angle is 27 degree.
The preparation of material B: by Nd, Ce, Au, Fe, Cd, Si, Pb and Sn carry out mix, Nd, Ce, Au, Fe, Cd, Si, Pb, Sn are pure material (constituent content be greater than 99.9%), first raw material is put into induction furnace in, heat up melting, when reaching melting 20 minutes are kept the temperature after 720 DEG C of temperature;Then alloy liquid injection is located in the tundish on atomizer, aluminium alloy is in Between packet bottom leakage eye outflow, meet and be atomized as fine drop with high-speed flow when passing through nozzle, atomized drop is in closed mist Change in cylinder and be rapidly solidificated into alloy powder, alloy powder average particle size is 12 μm, atomization pressure 4MPa, liquid metal Fluid flow is 2kg/min, and it is 715 DEG C that alloy liquid, which injects temperature, and atomizing angle is 32 degree.
The preparation of material C: by CdO, PbO2、ZnO2、CaO、Ce2O3、Al2O3And SiO2Mix is carried out, raw material is pure Substance (content is greater than 99.9%), carries out mixing and breaking up for each raw material in sand mill, then dries powder at 115 DEG C Dry, re-sieving after drying, sieve is 200 mesh, forms mixture;
Then the mixture of A material and C-material is placed in one, is uniformly mixed, is then placed in sintering furnace and is sintered, burnt Junction temperature is 1225 DEG C, finally makes sintered product in grinder diameter of particle reach 13 microns, forming material A and material C Sintering feed, the weight ratio of materials A and material C is 1:0.1-0.3;
The preparation method of material D: by CdO, PbO2、Ce2O3、MgO、ZnO2And Fe2O3Carry out mix, each material purity It is all larger than 99.9%;Each raw material is subjected to mixing and breaking up in sand mill, is then dried powder at 115 DEG C, after drying Re-sieving, sieve are 200 mesh, are then placed in sintering furnace and are sintered, and sintering temperature is 1175 DEG C, are finally grinding sintered product Diameter of particle is set to reach 12 microns in grinding machine;
After materials A and C mixed sintering material, material B and material D ingredient, it is added in three-dimensional mixer and is uniformly mixed, obtain Mixed powder;Then mixed powder is orientated in Magnetic field press, using etc. static pressure mode form, by molded blank argon gas protect Sintering furnace is put under shield to be sintered, is first warming up to 625 DEG C, is kept the temperature 3.5h, is then heated to 1065 DEG C of sintering 3.5h, be cooled to After room temperature, double tempering processing is carried out, i.e., respectively in 810 DEG C and 555 DEG C of tempering heat treatment 1.5h.Most afterwards through 230 DEG C of timeliness at Reason obtains product.
Embodiment 1
According to above-mentioned preparation method carry out, wherein materials A includes following raw material ingredient: C 2.3%, Nd 3%, Cd 0.01%, Cr 21%, Si 5%, Ce 0.2% and surplus Fe;Material B includes following raw material ingredient: Nd 3%, Ce 0.2%, Au 1%, Fe 1%, Cd 0.01%, Si 0.02%, Pb 9% and surplus Sn;Material C includes following parts by weight Material composition: CdO 0.1%, PbO20.1%, ZnO20.3%, CaO 8%, Ce2O31%, Al2O30.1% and surplus SiO2;Material D includes following raw material ingredient: CdO 0.1%, PbO23%, Ce2O30.1%, MgO 3%, ZnO2 3% and surplus Fe2O3;Materials A, material B, material C and material D weight ratio be 1:0.1:0.1:30.
Embodiment 2
According to above-mentioned preparation method carry out, wherein materials A includes following raw material ingredient: C 2.5%, Nd 6%, Cd 0.03%, Cr 23%, Si 6%, Ce 0.3% and surplus Fe;Material B includes following raw material ingredient: Nd 5%, Ce 0.4%, Au 1.1%, Fe 3%, Cd 0.03%, Si 0.05%, Pb 10% and surplus Sn;Material C includes following heavy Measure part material composition: CdO 0.25%, PbO20.25%, ZnO20.6%, CaO 10%, Ce2O33%, Al2O30.3% He Surplus SiO2;Material D includes following raw material ingredient: CdO 0.3%, PbO26%, Ce2O30.25%, MgO 6%, ZnO26% and surplus Fe2O3;Materials A, material B, material C and material D weight ratio be 1:0.3:0.2:30.
Embodiment 3
According to above-mentioned preparation method carry out, wherein materials A includes following raw material ingredient: C 2.8%, Nd 8%, Cd 0.05%, Cr 25%, Si 8%, Ce 0.5% and surplus Fe;Material B includes following raw material ingredient: Nd 8%, Ce 0.5%, Au 1.3%, Fe 5%, Cd 0.05%, Si 0.07%, Pb 11% and surplus Sn;Material C includes following heavy Measure part material composition: CdO 0.4%, PbO20.4%, ZnO20.9%, CaO 12%, Ce2O34%, Al2O30.4% and remaining Measure SiO2;Material D includes following raw material ingredient: CdO 0.4%, PbO29%, Ce2O30.4%, MgO 9%, ZnO2 9% and surplus Fe2O3;Materials A, material B, material C and material D weight ratio be 1:0.5:0.3:30.
Embodiment 4
It is carried out according to above-mentioned preparation method, wherein materials A includes following raw material ingredient: C 2%, Nd 2%, Cd 0.005%, Cr 20%, Si 4%, Ce 0.2-0.5% and surplus Fe;Material B includes following raw material ingredient: Nd 3- 8%, Ce 0.1%, Au 0.8%, Fe 0.8%, Cd 0.005%, Si 0.01%, Pb 8% and surplus Sn;Material C includes Following raw material ingredient: CdO 0.05%, PbO20.08%, ZnO20.2%, CaO 7%, Ce2O30.6%, Al2O3 0.08% and surplus SiO2;Material D includes following raw material ingredient: CdO 0.07%, PbO22%, Ce2O30.07%, MgO 2%, ZnO22% and surplus Fe2O3;Materials A, material B, material C and material D weight ratio be 1:0.055:0.05:30.
Embodiment 5
It is carried out according to above-mentioned preparation method, wherein materials A includes following raw material ingredient: C 3%, Nd 9%, Cd 0.06%, Cr 26%, Si 9%, Ce 0.7% and surplus Fe;Material B includes following raw material ingredient: Nd 9%, Ce 0.6%, Au 1.5%, Fe 6%, Cd 0.07%, Si 0.09%, Pb 13% and surplus Sn;Material C includes following parts by weight Material composition: CdO 0.5%, PbO20.6%, ZnO21%, CaO 13%, Ce2O36%, Al2O30.6% and surplus SiO2;Material D includes following raw material ingredient: CdO 0.6%, PbO210%, Ce2O30.5%, MgO 11%, ZnO2 11% and surplus Fe2O3;Materials A, material B, material C and material D weight ratio be 1:0.6:0.4:30.
Comparative example 1
High saturation magnetic flux density magnetic ferrite magnetic core material disclosed in the Chinese patent of Patent No. CN201510839869X The performance parameter of material.
Table 1
Fig. 1 is the organization chart of ceramic-metal composite provided by the invention, it can be seen that the cermet is compound Materials microstructure structure even compact.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should also be regarded as the disclosure of the present invention.

Claims (6)

1. a kind of ceramic-metal composite, which is characterized in that the ceramic-metal composite is by materials A, material B, material C It is formed with material D;
Wherein, the material composition of materials A includes: C, Nd, Cd, Cr, Si, Ce and Fe;
The material composition of material B includes: Nd, Ce, Au, Fe, Cd, Si, Pb and Sn;
The material composition of material C includes: CdO, PbO2、ZnO2、CaO、Ce2O3、Al2O3And SiO2
The material composition of material D includes: CdO, PbO2、Ce2O3、MgO、ZnO2And Fe2O3
2. ceramic-metal composite according to claim 1, wherein materials A includes following raw material ingredient: C 2.3-2.8%, Nd 3-8%, Cd 0.01-0.05%, Cr 21-25%, Si 5-8%, Ce 0.2-0.5% and surplus Fe.
3. ceramic-metal composite according to claim 1, wherein material B includes following raw material ingredient: Nd 3-8%, Ce 0.2-0.5%, Au 1-1.3%, Fe 1-5%, Cd 0.01-0.05%, Si 0.02-0.07%, Pb 9- 11% and surplus Sn.
4. ceramic-metal composite according to claim 1, wherein material C includes following raw material ingredient: CdO 0.1-0.4%, PbO20.1-0.4%, ZnO20.3-0.9%, CaO 8-12%, Ce2O31-4%, Al2O3 0.1- 0.4% and surplus SiO2
5. ceramic-metal composite according to claim 1, wherein material D includes following raw material ingredient: CdO 0.1-0.4%, PbO23-9%, Ce2O30.1-0.4%, MgO 3-9%, ZnO23-9% and surplus Fe2O3
6. ceramic-metal composite according to claim 1, wherein materials A, material B, material C and material D weight Than for 1:0.1-0.5:0.1-0.3:30.
CN201810934004.5A 2018-08-16 2018-08-16 Ceramic-metal composite Pending CN109022999A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113136519A (en) * 2021-04-26 2021-07-20 中建材科创新技术研究院(山东)有限公司 Wear-resistant and corrosion-resistant iron-based composite material and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102651264A (en) * 2011-02-25 2012-08-29 北京有色金属研究总院 Sintered composite soft magnetic material and method for preparing same
CN104392819A (en) * 2014-05-20 2015-03-04 深圳顺络电子股份有限公司 Composite soft magnetic material and preparation method thereof
CN108101527A (en) * 2017-12-07 2018-06-01 天长市昭田磁电科技有限公司 A kind of high frequency fine grain soft magnetic ferrite and preparation method thereof
CN108335819A (en) * 2018-03-29 2018-07-27 南京信息工程大学 A kind of sintering magnetic composite and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102651264A (en) * 2011-02-25 2012-08-29 北京有色金属研究总院 Sintered composite soft magnetic material and method for preparing same
CN104392819A (en) * 2014-05-20 2015-03-04 深圳顺络电子股份有限公司 Composite soft magnetic material and preparation method thereof
CN108101527A (en) * 2017-12-07 2018-06-01 天长市昭田磁电科技有限公司 A kind of high frequency fine grain soft magnetic ferrite and preparation method thereof
CN108335819A (en) * 2018-03-29 2018-07-27 南京信息工程大学 A kind of sintering magnetic composite and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113136519A (en) * 2021-04-26 2021-07-20 中建材科创新技术研究院(山东)有限公司 Wear-resistant and corrosion-resistant iron-based composite material and preparation method and application thereof
CN113136519B (en) * 2021-04-26 2022-02-18 中建材科创新技术研究院(山东)有限公司 Wear-resistant and corrosion-resistant iron-based composite material and preparation method and application thereof

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