CN106098286A - A kind of alternating current generator complex ferrite material and preparation method thereof - Google Patents
A kind of alternating current generator complex ferrite material and preparation method thereof Download PDFInfo
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- CN106098286A CN106098286A CN201610398863.8A CN201610398863A CN106098286A CN 106098286 A CN106098286 A CN 106098286A CN 201610398863 A CN201610398863 A CN 201610398863A CN 106098286 A CN106098286 A CN 106098286A
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- ferrite material
- alternating current
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- current generator
- attapulgite
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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
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
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- 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
- H01F41/02—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 for manufacturing cores, coils, or magnets
- H01F41/0253—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 for manufacturing cores, coils, or magnets for manufacturing permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Compounds Of Iron (AREA)
- Magnetic Ceramics (AREA)
Abstract
Disclosed by the invention is a kind of alternating current generator complex ferrite material and preparation method thereof.Ferrite Material includes the raw material of following parts by weight: iron sesquioxide 120 150 parts, attapulgite dispersion liquid 5 10 parts, bentonite 5 10 parts, strontium oxide 0.2 0.5 parts, lanthana 0.5 0.8 parts, zinc oxide 13 parts, brium carbonate 13 parts and molybdenum bisuphide 0.2 0.5 parts.The complex ferrite material of the present invention is with iron sesquioxide as primary raw material, being aided with attapulgite and bentonite, be suitable for alternating current generator use, attapulgite dispersion liquid improves the dispersibility of Ferrite Material, helping crystal formation, bentonite improves the compactness of Ferrite Material.
Description
Technical field:
The present invention relates to a kind of alternating current generator complex ferrite material and preparation method thereof, belong to field of magnetic material.
Background technology:
Permanent magnet material is material indispensable in electron trade, is widely used in household electrical appliances, automobile, computer, communication, doctor
The fields such as treatment, space flight, military affairs.In recent years, permanent-magnet ferrite magnetic material is with wide, the cheap and excellent magnetic of its raw material sources
Performance occupies critical role in the research and development of magnetic material, have of a relatively high remanent magnetism (Br), coercivity (jHc) and
Magnetic energy product (BH) max.Industrial permanent-magnet ferrite with iron oxide red or iron scale with strontium carbonate, brium carbonate or calcium carbonate etc. for the most former
Material is prepared by traditional ceramics technique.
At present, in order to improve the comprehensive magnetic energy of permanent-magnet ferrite, the main method used includes: (1) is sought more excellent
Good formula system, (2), on the basis of good formula, use rational after-processing technology.High-performance permanent-magnet ferrite is ground
For studying carefully, the improvement of formula is always main flow, in recent years, along with LaCo adds formula system, CaSrLaCo main formula technique
Occurring, permanent-magnet ferrite comprehensive magnetic can obtain the biggest breakthrough.But good formula is with greater need for excellent technique phase therewith
Coordinate, the potentiality of its maximum of competence exertion.
Summary of the invention:
The present invention seeks to, be used for making up the deficiencies in the prior art, and a kind of alternating current generator complex ferrite material is provided
Material and preparation method thereof.
To achieve these goals, technical scheme is as follows:
A kind of alternating current generator complex ferrite material, including the raw material of following parts by weight: iron sesquioxide 120-150
Part, attapulgite dispersion liquid 5-10 part, bentonite 5-10 part, strontium oxide 0.2-0.5 part, lanthana 0.5-0.8 part, zinc oxide 1-
3 parts, brium carbonate 1-3 part and molybdenum bisuphide 0.2-0.5 part.
Described a kind of alternating current generator complex ferrite material, described attapulgite dispersion liquid is through the following steps that obtain
: attapulgite and silane coupler are placed in water, under the conditions of ultrasonic agitation, obtain attapulgite dispersion liquid.
Described a kind of alternating current generator complex ferrite material, the weight of described attapulgite, silane coupler and water
Number is respectively 20-30 part, 10-15 part and 100-120 part.
The preparation method of described a kind of alternating current generator complex ferrite material, including following step:
(1) pre-burning: iron sesquioxide, strontium oxide, lanthana, zinc oxide and brium carbonate are sintered under Oxygen Condition 2-3h
Rear pulverizing；
(2) fine grinding: mixed with attapulgite dispersion liquid by the powder obtained in step (1), regulation PH is 8-9, then adds
Enter bentonite and molybdenum dioxide, under ultrasound condition, stirring reaction 30-50min, it is subsequently placed in ball mill, wet ball grinding 2-
3h, removes moisture removal after the slurry natural subsidence that will obtain after ball milling, obtains the slurry that water content is 30-40%；
(4) sintering: the slurry obtained in step (3) is sintered 2-3h under the conditions of temperature is 1100-1200 DEG C, is answered
Close Ferrite Material.
The preparation method of described a kind of alternating current generator complex ferrite material, during ball milling, material, ball and the weight ratio of water
It is 1: 2-3: 4-5.
The preparation method of described a kind of alternating current generator complex ferrite material, the temperature of pre-burning is 1100-1200 DEG C,
Time is 40-60min.
Beneficial effects of the present invention is as follows:
The complex ferrite material of the present invention, with iron sesquioxide as primary raw material, is aided with attapulgite and bentonite, suitable
Conjunction alternating current generator use, attapulgite dispersion liquid improves the dispersibility of Ferrite Material, helps crystal formation, and bentonite improves
The compactness of Ferrite Material.
The complex ferrite material of the present invention, remanent magnetism Br:250-300mT；Magnetic strength coercivity H b:230-280kA/m；In
Report coercivity H j:210-260 kA/m；Maximum magnetic energy product (BH) max:44-48KJ/m3。
Detailed description of the invention:
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot
Close specific embodiment, the present invention is expanded on further.
Embodiment 1:
In the present embodiment, a kind of alternating current generator complex ferrite material, including the raw material of following parts by weight: three oxidations
Two ferrum 150 parts, attapulgite dispersion liquid 5 parts, bentonite 5 parts, strontium oxide 0.5 part, lanthana 0.5 part, zinc oxide 3 parts, carbonic acid
Barium 1 part and molybdenum bisuphide 0.5 part.
Described attapulgite dispersion liquid through the following steps that obtain: attapulgite and silane coupler are placed in water
In, obtain attapulgite dispersion liquid under the conditions of ultrasonic agitation.The parts by weight of described attapulgite, silane coupler and water are respectively
It is 30 parts, 15 parts and 120 parts.
The preparation method of described a kind of alternating current generator complex ferrite material, including following step:
(1) pre-burning: iron sesquioxide, strontium oxide, lanthana, zinc oxide and brium carbonate are sintered under Oxygen Condition 2-3h
Rear pulverizing；The temperature of pre-burning is 1100-1200 DEG C, and the time is 40-60min.
(2) fine grinding: mixed with attapulgite dispersion liquid by the powder obtained in step (1), regulation PH is 8-9, then adds
Enter bentonite and molybdenum dioxide, under ultrasound condition, stirring reaction 30-50min, it is subsequently placed in ball mill, wet ball grinding 2-
3h, removes moisture removal after the slurry natural subsidence that will obtain after ball milling, obtains the slurry that water content is 30-40%；During ball milling, material,
The weight ratio of ball and water is 1: 3: 5；
(4) sintering: the slurry obtained in step (3) is sintered 2-3h under the conditions of temperature is 1100-1200 DEG C, is answered
Close Ferrite Material.
Embodiment 2:
In this enforcement, a kind of alternating current generator complex ferrite material, including the raw material of following parts by weight: three oxidations two
Ferrum 120 parts, attapulgite dispersion liquid 10 parts, bentonite 10 parts, strontium oxide 0.2 part, lanthana 0.8 part, zinc oxide 1 part, carbonic acid
Barium 3 parts and molybdenum bisuphide 0.2 part.
Described attapulgite dispersion liquid through the following steps that obtain: attapulgite and silane coupler are placed in water
In, obtain attapulgite dispersion liquid under the conditions of ultrasonic agitation.The parts by weight of described attapulgite, silane coupler and water are respectively
It is 20 parts, 10 parts and 100 parts.
The preparation method of described a kind of alternating current generator complex ferrite material, including following step:
(1) pre-burning: iron sesquioxide, strontium oxide, lanthana, zinc oxide and brium carbonate are sintered under Oxygen Condition 2-3h
Rear pulverizing；The temperature of pre-burning is 1100-1200 DEG C, and the time is 40-60min；
(2) fine grinding: mixed with attapulgite dispersion liquid by the powder obtained in step (1), regulation PH is 8-9, then adds
Enter bentonite and molybdenum dioxide, under ultrasound condition, stirring reaction 30-50min, it is subsequently placed in ball mill, wet ball grinding 2-
3h, removes moisture removal after the slurry natural subsidence that will obtain after ball milling, obtains the slurry that water content is 30-40%；During ball milling, material,
The weight ratio of ball and water is 1: 2: 4.
(4) sintering: the slurry obtained in step (3) is sintered 2-3h under the conditions of temperature is 1100-1200 DEG C, is answered
Close Ferrite Material.
Embodiment 3:
In the present embodiment, a kind of alternating current generator complex ferrite material, including the raw material of following parts by weight: three oxidations
Two ferrum 135 parts, attapulgite dispersion liquid 8 parts, bentonite 8 parts, strontium oxide 0.3 part, lanthana 0.6 part, zinc oxide 2 parts, carbonic acid
Barium 2 parts and molybdenum bisuphide 0.4 part.
Described attapulgite dispersion liquid through the following steps that obtain: attapulgite and silane coupler are placed in water
In, obtain attapulgite dispersion liquid under the conditions of ultrasonic agitation.The parts by weight of described attapulgite, silane coupler and water are respectively
It is 25 parts, 22 parts and 100 parts.
The preparation method of described a kind of alternating current generator complex ferrite material, including following step:
(1) pre-burning: iron sesquioxide, strontium oxide, lanthana, zinc oxide and brium carbonate are sintered under Oxygen Condition 2-3h
Rear pulverizing；The temperature of pre-burning is 1100-1200 DEG C, and the time is 40-60min.
(2) fine grinding: mixed with attapulgite dispersion liquid by the powder obtained in step (1), regulation PH is 8-9, then adds
Enter bentonite and molybdenum dioxide, under ultrasound condition, stirring reaction 30-50min, it is subsequently placed in ball mill, wet ball grinding 2-
3h, removes moisture removal after the slurry natural subsidence that will obtain after ball milling, obtains the slurry that water content is 30-40%；During ball milling, material,
The weight ratio of ball and water is 1: 3: 4.
(4) sintering: the slurry obtained in step (3) is sintered 2-3h under the conditions of temperature is 1100-1200 DEG C, is answered
Close Ferrite Material.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (6)
1. an alternating current generator complex ferrite material, it is characterised in that include the raw material of following parts by weight: three aoxidize two
Ferrum 120-150 part, attapulgite dispersion liquid 5-10 part, bentonite 5-10 part, strontium oxide 0.2-0.5 part, lanthana 0.5-0.8
Part, zinc oxide 1-3 part, brium carbonate 1-3 part and molybdenum bisuphide 0.2-0.5 part.
A kind of alternating current generator complex ferrite material the most according to claim 1, it is characterised in that described attapulgite
Dispersion liquid through the following steps that obtain: attapulgite and silane coupler are placed in water, obtain under the conditions of ultrasonic agitation
Attapulgite dispersion liquid.
A kind of alternating current generator complex ferrite material the most according to claim 2, it is characterised in that described attapulgite
The parts by weight of soil, silane coupler and water are respectively 20-30 part, 10-15 part and 100-120 part.
4. according to the preparation method of a kind of alternating current generator complex ferrite material described in any of the above claim, its feature
It is, including following step:
(1) pre-burning: iron sesquioxide, strontium oxide, lanthana, zinc oxide and brium carbonate are sintered under Oxygen Condition powder after 2-3h
Broken；
(2) fine grinding: mixed with attapulgite dispersion liquid by the powder obtained in step (1), regulation PH is 8-9, is subsequently adding swollen
Profit soil and molybdenum dioxide, under ultrasound condition, stirring reaction 30-50min, it is subsequently placed in ball mill, wet ball grinding 2-3h, will
Remove moisture removal after the slurry natural subsidence obtained after ball milling, obtain the slurry that water content is 30-40%；
(4) sintering: the slurry obtained in step (3) is sintered 2-3h under the conditions of temperature is 1100-1200 DEG C, obtains compound iron
Ferrite.
The preparation method of a kind of alternating current generator complex ferrite material the most according to claim 5, it is characterised in that ball
During mill, the weight ratio of material, ball and water is 1: 2-3: 4-5.
The preparation method of a kind of alternating current generator complex ferrite material the most according to claim 5, it is characterised in that pre-
The temperature burnt is 1100-1200 DEG C, and the time is 40-60min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610398863.8A CN106098286A (en) | 2016-05-30 | 2016-05-30 | A kind of alternating current generator complex ferrite material and preparation method thereof |
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| CN201610398863.8A CN106098286A (en) | 2016-05-30 | 2016-05-30 | A kind of alternating current generator complex ferrite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000138114A (en) * | 1998-11-02 | 2000-05-16 | Sumitomo Special Metals Co Ltd | Ferrite magnet powder, magnet using the magnet powder, and their manufacture |
| CN103295768A (en) * | 2013-05-20 | 2013-09-11 | 天长市昭田磁电科技有限公司 | Method for manufacturing ferromagnetic core containing modified aluminum nitride |
| CN104891984A (en) * | 2015-05-09 | 2015-09-09 | 南通万宝实业有限公司 | Ferrite material used for motors |
| CN105174929A (en) * | 2015-09-15 | 2015-12-23 | 重庆通赛机电有限公司 | Permanent magnetic ferrite for automobile motor and manufacturing method of permanent magnetic ferrite |
-
2016
- 2016-05-30 CN CN201610398863.8A patent/CN106098286A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000138114A (en) * | 1998-11-02 | 2000-05-16 | Sumitomo Special Metals Co Ltd | Ferrite magnet powder, magnet using the magnet powder, and their manufacture |
| CN103295768A (en) * | 2013-05-20 | 2013-09-11 | 天长市昭田磁电科技有限公司 | Method for manufacturing ferromagnetic core containing modified aluminum nitride |
| CN104891984A (en) * | 2015-05-09 | 2015-09-09 | 南通万宝实业有限公司 | Ferrite material used for motors |
| CN105174929A (en) * | 2015-09-15 | 2015-12-23 | 重庆通赛机电有限公司 | Permanent magnetic ferrite for automobile motor and manufacturing method of permanent magnetic ferrite |
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Application publication date: 20161109 |