CN108899147A - A kind of wear-resisting type magnetic material and preparation method thereof - Google Patents
A kind of wear-resisting type magnetic material and preparation method thereof Download PDFInfo
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- CN108899147A CN108899147A CN201810951546.3A CN201810951546A CN108899147A CN 108899147 A CN108899147 A CN 108899147A CN 201810951546 A CN201810951546 A CN 201810951546A CN 108899147 A CN108899147 A CN 108899147A
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 31
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 12
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims abstract description 12
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 11
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005751 Copper oxide Substances 0.000 claims abstract description 6
- BLJNPOIVYYWHMA-UHFFFAOYSA-N alumane;cobalt Chemical compound [AlH3].[Co] BLJNPOIVYYWHMA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 6
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 6
- 239000010439 graphite Substances 0.000 claims abstract description 6
- 239000003595 mist Substances 0.000 claims abstract description 6
- CHWRSCGUEQEHOH-UHFFFAOYSA-N potassium oxide Chemical compound [O-2].[K+].[K+] CHWRSCGUEQEHOH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910001950 potassium oxide Inorganic materials 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000011787 zinc oxide Substances 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 239000004568 cement Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical group [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000377 silicon dioxide Substances 0.000 abstract description 6
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus 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
-
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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- 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
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- 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
- C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
-
- 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
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- 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
- C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
-
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/443—Nitrates or nitrites
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- 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)
- Magnetic Ceramics (AREA)
Abstract
A kind of wear-resisting type magnetic material and preparation method thereof, each component and its mass fraction are：22-25 parts of di-iron trioxide, 5-10 parts of zinc oxide, 2-5 parts of potassium oxide, 1-3 parts of copper oxide, 13-20 parts of diboron trioxide, 12-18 parts of ferric nitrate, 3-6 parts of manganese oxide, 12-15 parts of cobalt aluminum, 5-10 parts of additive.Preparation method includes the following steps：(1) raw material is weighed according to mass fraction, and be uniformly mixed；(2) mixture is placed in calcining kiln and is calcined；(3) spheroidal graphite is carried out to gained mixture again；(4) dumping is carried out to mixture using after mist projection granulating；(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；(6) it is polished to gained mixture.Gained magnetic material of the invention, because the property of contained component is stablized, and containing components such as silica, so the overall wear resistance of mixture has obtained effective raising.
Description
Technical field
Present invention relates particularly to a kind of wear-resisting type magnetic materials and preparation method thereof.
Background technique
Magnetic material is widely used, and can be used in electroacoustic, telecommunications, ammeter and motor, is also used as memory original part, micro-
Wave original part etc., can be used for record instruction, music, image information etc., more and more apply in present industrial production and life
In.But the wearability of existing magnetic material is insufficient, phenomena such as often abrasion in use, reduces member
The service life of part.
Summary of the invention
In view of the above-mentioned problems of the prior art, the object of the present invention is to provide a kind of wear-resisting type magnetic material and
Preparation method, the poor problem of wearability to improve existing magnetic material.
To achieve the above object, the technical solution adopted by the present invention is that：
A kind of wear-resisting type magnetic material and preparation method thereof, each component and its mass fraction are：Di-iron trioxide 22-25
Part, 5-10 parts of zinc oxide, 2-5 parts of potassium oxide, 1-3 parts of copper oxide, 13-20 parts of diboron trioxide, 12-18 parts of ferric nitrate, oxidation
3-6 parts of manganese, 12-15 parts of cobalt aluminum, 5-10 parts of additive.
Preferably, the additive is silica.
A kind of preparation method of wear-resisting type magnetic material, includes the following steps：
(1) raw material is weighed according to mass fraction, and be uniformly mixed；
(2) mixture is placed in calcining kiln and is calcined；
(3) spheroidal graphite is carried out to gained mixture again；
(4) dumping is carried out to mixture using after mist projection granulating；
(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；
(6) it is polished to gained mixture.
Preferably, the calcination temperature in step (2) is 1200 DEG C, and the time is 1 hour.
Preferably, the dumping of step (4) is at 800 DEG C of temperature, and the time is under conditions of 3 hours.
Preferably, the sintering of step (5), temperature are 1300-1500 DEG C, and the time is 6-8 hours.
Gained magnetic material of the invention, because the property of contained component is stablized, and containing components such as silica, so mixing
The overall wear resistance of object has obtained effective raising.
Specific embodiment
Invention is further described in detail combined with specific embodiments below：
Embodiment 1
A kind of wear-resisting type magnetic material and preparation method thereof, each component and its mass fraction are：22 parts of di-iron trioxide,
5 parts of zinc oxide, 2 parts of potassium oxide, 1 part of copper oxide, 13 parts of diboron trioxide, 12 parts of ferric nitrate, 3 parts of manganese oxide, cobalt aluminum 12
Part, 5 parts of additive.
The additive is silica.
A kind of preparation method of wear-resisting type magnetic material, includes the following steps：
(1) raw material is weighed according to mass fraction, and be uniformly mixed；
(2) mixture is placed in calcining kiln and is calcined；
(3) spheroidal graphite is carried out to gained mixture again；
(4) dumping is carried out to mixture using after mist projection granulating；
(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；
(6) it is polished to gained mixture.
The calcination temperature in step (2) is 1200 DEG C, and the time is 1 hour.
The dumping of step (4) is at 800 DEG C of temperature, and the time is under conditions of 3 hours.
The sintering of step (5), temperature are 1300 DEG C, and the time is 6 hours.
Embodiment 2
A kind of wear-resisting type magnetic material and preparation method thereof, each component and its mass fraction are：23 parts of di-iron trioxide,
8 parts of zinc oxide, 3 parts of potassium oxide, 2 parts of copper oxide, 16 parts of diboron trioxide, 16 parts of ferric nitrate, 5 parts of manganese oxide, cobalt aluminum 13
Part, 8 parts of additive.
The additive is silica.
A kind of preparation method of wear-resisting type magnetic material, includes the following steps：
(1) raw material is weighed according to mass fraction, and be uniformly mixed；
(2) mixture is placed in calcining kiln and is calcined；
(3) spheroidal graphite is carried out to gained mixture again；
(4) dumping is carried out to mixture using after mist projection granulating；
(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；
(6) it is polished to gained mixture.
The calcination temperature in step (2) is 1200 DEG C, and the time is 1 hour.
The dumping of step (4) is at 800 DEG C of temperature, and the time is under conditions of 3 hours.
The sintering of step (5), temperature are 1400 DEG C, and the time is 7 hours.
Embodiment 3
A kind of wear-resisting type magnetic material and preparation method thereof, each component and its mass fraction are：25 parts of di-iron trioxide,
10 parts of zinc oxide, 5 parts of potassium oxide, 3 parts of copper oxide, 20 parts of diboron trioxide, 18 parts of ferric nitrate, 6 parts of manganese oxide, cobalt aluminum 15
Part, 10 parts of additive.
The additive is silica.
A kind of preparation method of wear-resisting type magnetic material, includes the following steps：
(1) raw material is weighed according to mass fraction, and be uniformly mixed；
(2) mixture is placed in calcining kiln and is calcined；
(3) spheroidal graphite is carried out to gained mixture again；
(4) dumping is carried out to mixture using after mist projection granulating；
(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；
(6) it is polished to gained mixture.
The calcination temperature in step (2) is 1200 DEG C, and the time is 1 hour.
The dumping of step (4) is at 800 DEG C of temperature, and the time is under conditions of 3 hours.
The sintering of step (5), temperature are 1500 DEG C, and the time is 8 hours.
Claims (6)
1. a kind of wear-resisting type magnetic material and preparation method thereof, which is characterized in that its each component and its mass fraction are：Three oxidations
Two 22-25 parts of iron, 5-10 parts of zinc oxide, 2-5 parts of potassium oxide, 1-3 parts of copper oxide, 13-20 parts of diboron trioxide, ferric nitrate 12-
18 parts, 3-6 parts of manganese oxide, 12-15 parts of cobalt aluminum, 5-10 parts of additive.
2. the glass cement that one kind according to claim 1 can delay blackening, which is characterized in that the additive is titanium dioxide
Silicon.
3. a kind of a kind of preparation method of wear-resisting type magnetic material as described in claim 1, which is characterized in that including walking as follows
Suddenly：
(1) raw material is weighed according to mass fraction, and be uniformly mixed；
(2) mixture is placed in calcining kiln and is calcined；
(3) spheroidal graphite is carried out to gained mixture again；
(4) dumping is carried out to mixture using after mist projection granulating；
(5) by the mixture after dumping as in kiln, logical such as protection gas is sintered；
(6) it is polished to gained mixture.
4. a kind of a kind of preparation method of wear-resisting type magnetic material as claimed in claim 3, which is characterized in that in step (2)
The calcination temperature be 1200 DEG C, the time be 1 hour.
5. a kind of a kind of preparation method of wear-resisting type magnetic material as claimed in claim 3, which is characterized in that step (4)
Dumping is at 800 DEG C of temperature, and the time is under conditions of 3 hours.
6. a kind of a kind of preparation method of wear-resisting type magnetic material as claimed in claim 3, which is characterized in that step (5)
The sintering, temperature are 1300-1500 DEG C, and the time is 6-8 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810951546.3A CN108899147A (en) | 2018-08-21 | 2018-08-21 | A kind of wear-resisting type magnetic material and preparation method thereof |
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| CN201810951546.3A CN108899147A (en) | 2018-08-21 | 2018-08-21 | A kind of wear-resisting type magnetic material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292949A (en) * | 2018-12-07 | 2020-06-16 | 丰田自动车株式会社 | Method for manufacturing powder magnetic core |
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| CN107910153A (en) * | 2017-12-12 | 2018-04-13 | 徐州远洋磁性材料有限公司 | A kind of wear-resisting type composite magnetic and preparation method thereof |
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-
2018
- 2018-08-21 CN CN201810951546.3A patent/CN108899147A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102219491A (en) * | 2010-03-16 | 2011-10-19 | Tdk株式会社 | Ferrite composition and electronic component |
| CN103435337A (en) * | 2013-08-20 | 2013-12-11 | 韶关西格玛技术有限公司 | Method for improving property of dry pressing isotropic permanent magnetic ferrite |
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| CN111292949A (en) * | 2018-12-07 | 2020-06-16 | 丰田自动车株式会社 | Method for manufacturing powder magnetic core |
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Application publication date: 20181127 |