CN108335812A - A kind of production technology of composite magnetic - Google Patents
A kind of production technology of composite magnetic Download PDFInfo
- Publication number
- CN108335812A CN108335812A CN201810204579.1A CN201810204579A CN108335812A CN 108335812 A CN108335812 A CN 108335812A CN 201810204579 A CN201810204579 A CN 201810204579A CN 108335812 A CN108335812 A CN 108335812A
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- parch
- temperature
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- mixed
- ferro
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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
- H01F1/04—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 metals or alloys
- H01F1/047—Alloys characterised by their composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The invention discloses a kind of production technology of composite magnetic, S1, dispensings：Iron powder：55% 70%, carbonyl iron dust：20% 35%, ferro-silicium powder：5 15%, N：1% 2%, C：0.5% 2%, H：2%‑3%；S2, dispensing mixing：Iron powder, carbonyl iron dust and ferro-silicium powder equivalent are divided into 4 groups, iron powder, carbonyl iron dust and ferro-silicium powder after dividing equally separately uniformly is mixed, in being put into 4 parts of mixed materials after again successively dividing equally H, 4 parts of mixed materials are finally mixed into portion；S3, parch：Mixed material is put into parch and carries out parch.Compared with other extractive techniques, by the way that N, C and H element are added in dispensing, it is added thereto using N, C and H as interstitial atom, utilize the magneto volume effect and chemical bonding effect of interstitial atom, the electronic band structure very crystal field for changing iron compound acts on, change the domain structure of material so that magnetic material effect is more preferable, magnetic modulated.
Description
Technical field
The present invention relates to property field of material technology, more specifically more particularly to a kind of production work of composite magnetic
Skill.
Background technology
Inductor, is the indispensable element of electronic circuit, it plays filtering, chokes and energy storage in circuit, by
Conductor coils are constituted with magnetizer；Mainly have direct insertion（DIP）And surface-adhered type（SMD）Two kinds.Inductor is to being suitable for
More occasions, it is magnetic material to influence maximum factor, because of the work of inductor of the term restriction of magnetic material itself
Frequency range, inductance value, quality factor q, operating current.Wherein it is heavy to occupy this to the using effect and performance of magnetic material for domain structure
The impact position wanted, but the manufacturing process of existing magnetic material so that domain structure itself is comparatively poor, it is difficult to real
Existing magnetic modulation, for this purpose, it is proposed that a kind of production technology of composite magnetic.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of composite magnetic proposed
Production technology, according to the more thorough of the development law understanding to its microstructure and migration of element, then the appraisal procedure obtained is accurate
The higher characteristic of true property uses Synchrotron Radiation Technology to be used to study the predicting residual useful life of ferrite type heat-resisting steel material for the first time
Research.
To achieve the above object, the present invention provides the following technical solutions：A kind of production technology of composite magnetic, including
Following steps：
S1, dispensing：Iron powder：55%-70%, carbonyl iron dust：20%-35%, ferro-silicium powder：5-15%, N：1%-2%, C：0.5%-2%,
H：2%-3%；
S2, dispensing mixing：Iron powder, carbonyl iron dust and ferro-silicium powder equivalent are divided into 4 groups, by the iron powder after dividing equally, carbonyl
Iron powder and ferro-silicium powder are separately uniformly mixed, then are put into 4 parts of mixed materials after successively dividing equally H, finally
4 parts of mixed materials are mixed into portion；
S3, parch：Mixed material is put into parch and carries out parch, wherein parch temperature is 50 DEG C -80 DEG C, when material is dried
After frying set temperature, phosphoric acid solution is added and stirs evenly, then parch to surface of material forms phosphate conversion film, then adds
Enter N and C stirs evenly parch, adds silica glass glue then parch；
S4, cooling：Material after parch is cooled down, wherein in cooling procedure, temperature uses stairway degression method, initial temperature
It is set below 30 DEG C of temperature value of material self-temperature；
S5, baking：Material after cooling is put into sieve and is sieved, screens out 350 mesh, 250 mesh and 150 mesh according to demand
Material, then the material after screening is placed on drip pan and is paved, it is equidistant in the surface of material system paved using tool
From the venthole for producing 6mm；
Preferably, baking temperature is 60 DEG C -90 DEG C, and wherein baking temperature often improves 10 DEG C, and heat preservation is placed 10 minutes, and baking terminates
Material afterwards, is put into cooling device, is cooled down using stairway degression method.
Preferably, material after cooling is toasted, releasing agent and adhesive are added several times, is placed in sub-material blender and stirs
Uniformly.
Preferably, a small amount of activated carbon is added when material is equipped with to be stirred, wherein activated carbon：0.5%-1.5%.
The technique effect and advantage of the present invention：
1, it by the way that N, C and H element are added in dispensing, is added thereto using N, C and H as interstitial atom, utilizes gap original
The magneto volume effect and chemical bonding effect of son, the electronic band structure very crystal field for changing iron compound act on, and change the magnetic of material
Domain structure so that magnetic material effect is more preferable, magnetic modulated.
2, by using the type of cooling of stairway degression method, phase is adjusted in the cooling temperature of initial cooling temperature and material
It poor 30 DEG C, avoids causing unnecessary chemical reaction between multiple material caused by excessive temperature differentials；By being laid in baking
The venthole of 6mm depths is formed on material on disk so that when baking, the hot gas that the material of drip pan bottom end generates there can be channel to dissipate
Hair.
3, by the way that a small amount of activated carbon is added in preparation process, the absorption property of activated carbon itself, huge ratio are utilized
The chemical property and iris action of surface area, flourishing gap structure and stabilization so that the reunion of the nano-particle in material
Property improved significantly, while gram improve the aerial stability of nano metal.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
The every other embodiment obtained is put, shall fall within the protection scope of the present invention.
Embodiment
A kind of production technology of composite magnetic, includes the following steps：
S1, dispensing：Iron powder：55%-70%, carbonyl iron dust：20%-35%, ferro-silicium powder：5-15%, N：1%-2%, C：0.5%-2%,
H：2%-3%；
S2, dispensing mixing：Iron powder, carbonyl iron dust and ferro-silicium powder equivalent are divided into 4 groups, by the iron powder after dividing equally, carbonyl
Iron powder and ferro-silicium powder are separately uniformly mixed, then are put into 4 parts of mixed materials after successively dividing equally H, finally
4 parts of mixed materials are mixed into portion；
S3, parch：Mixed material is put into parch and carries out parch, wherein parch temperature is 50 DEG C -80 DEG C, when material is dried
After frying set temperature, phosphoric acid solution is added and stirs evenly, then parch to surface of material forms phosphate conversion film, then adds
Enter N and C stirs evenly parch, adds silica glass glue then parch；
S4, cooling：Material after parch is cooled down, wherein in cooling procedure, temperature uses stairway degression method, initial temperature
It is set below 30 DEG C of temperature value of material self-temperature；
S5, baking：Material after cooling is put into sieve and is sieved, screens out 350 mesh, 250 mesh and 150 mesh according to demand
Material, then the material after screening is placed on drip pan and is paved, it is equidistant in the surface of material system paved using tool
From the venthole for producing 6mm；
Preferably, baking temperature is 60 DEG C -90 DEG C, and wherein baking temperature often improves 10 DEG C, and heat preservation is placed 10 minutes, and baking terminates
Material afterwards, is put into cooling device, is cooled down using stairway degression method.
Preferably, material after cooling is toasted, releasing agent and adhesive are added several times, is placed in sub-material blender and stirs
Uniformly.
Preferably, a small amount of activated carbon is added when material is equipped with to be stirred, wherein activated carbon：0.5%-1.5%..
In summary：The production technology of a kind of composite magnetic provided by the invention, with traditional window shade cloth
Production method is compared, and by the way that N, C and H element are added in dispensing, are added thereto, are utilized using N, C and H as interstitial atom
The magneto volume effect and chemical bonding effect of interstitial atom, the electronic band structure very crystal field for changing iron compound act on, and change material
The domain structure of material so that magnetic material effect is more preferable.By using the type of cooling of stairway degression method, in initial cooling temperature
Degree is adjusted to differ 30 DEG C with the cooling temperature of material, avoids causing unnecessaryization between multiple material caused by excessive temperature differentials
Learn reaction；By the venthole for forming 6mm depths on the material on being laid in drip pan so that when baking, drip pan bottom end
The hot gas that material generates can have channel to distribute, and by the way that a small amount of activated carbon is added in preparation process, utilize activated carbon itself
The chemical property and iris action of absorption property, huge specific surface area, flourishing gap structure and stabilization so that material
In the agglomeration of nano-particle improved significantly, while gram improving the aerial stability of nano metal.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (3)
1. a kind of production technology of composite magnetic, it is characterised in that：Include the following steps：
S1, dispensing：Iron powder：55%-70%, carbonyl iron dust：20%-35%, ferro-silicium powder：5-15%, N：1%-2%, C：0.5%-2%,
H：2%-3%；
S2, dispensing mixing：Iron powder, carbonyl iron dust and ferro-silicium powder equivalent are divided into 4 groups, by the iron powder after dividing equally, carbonyl
Iron powder and ferro-silicium powder are separately uniformly mixed, then are put into 4 parts of mixed materials after successively dividing equally H, finally
4 parts of mixed materials are mixed into portion；
S3, parch：Mixed material is put into parch and carries out parch, wherein parch temperature is 50 DEG C -80 DEG C, when material is dried
After frying set temperature, phosphoric acid solution is added and stirs evenly, then parch to surface of material forms phosphate conversion film, then adds
Enter N and C stirs evenly parch, adds silica glass glue then parch；
S4, cooling：Material after parch is cooled down, wherein in cooling procedure, temperature uses stairway degression method, initial temperature
It is set below 30 DEG C of temperature value of material self-temperature；
S5, baking：Material after cooling is put into sieve and is sieved, screens out 350 mesh, 250 mesh and 150 mesh according to demand
Material, then the material after screening is placed on drip pan and is paved, it is equidistant in the surface of material system paved using tool
From the venthole for producing 6mm；
A kind of production technology of composite magnetic according to claim 1, it is characterised in that：Baking temperature be 60 DEG C-
90 DEG C, wherein baking temperature often improves 10 DEG C, and heat preservation is placed 10 minutes, and the material after baking is put into cooling device, adopts
It is cooled down with stairway degression method.
2. a kind of production technology of composite magnetic according to claim 1, it is characterised in that：Toast object after cooling
Releasing agent and adhesive is added in material several times, is placed in sub-material blender and stirs evenly.
3. a kind of production technology of composite magnetic according to claim 1, it is characterised in that：Add when material is equipped with
Enter a small amount of activated carbon to be stirred, wherein activated carbon：0.5%-1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204579.1A CN108335812A (en) | 2018-03-13 | 2018-03-13 | A kind of production technology of composite magnetic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810204579.1A CN108335812A (en) | 2018-03-13 | 2018-03-13 | A kind of production technology of composite magnetic |
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| Publication Number | Publication Date |
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| CN108335812A true CN108335812A (en) | 2018-07-27 |
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| CN201810204579.1A Pending CN108335812A (en) | 2018-03-13 | 2018-03-13 | A kind of production technology of composite magnetic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063501A (en) * | 2019-12-26 | 2020-04-24 | 深圳市艺感科技有限公司 | Preparation method of low-loss powder for producing integrally-formed inductor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450190A (en) * | 2002-03-26 | 2003-10-22 | 中国科学院物理研究所 | Rereearth-iron base compound magnetic refrigeration material with large magnetic entropy change and preparation process thereof |
| CN106373692A (en) * | 2016-11-08 | 2017-02-01 | 广东德磁科技有限公司 | Composite magnetic material and preparation method thereof |
| CN107619863A (en) * | 2016-07-12 | 2018-01-23 | 百岳特生物科技（上海）有限公司 | Method for detecting the Presence of a cancer |
-
2018
- 2018-03-13 CN CN201810204579.1A patent/CN108335812A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450190A (en) * | 2002-03-26 | 2003-10-22 | 中国科学院物理研究所 | Rereearth-iron base compound magnetic refrigeration material with large magnetic entropy change and preparation process thereof |
| CN107619863A (en) * | 2016-07-12 | 2018-01-23 | 百岳特生物科技（上海）有限公司 | Method for detecting the Presence of a cancer |
| CN106373692A (en) * | 2016-11-08 | 2017-02-01 | 广东德磁科技有限公司 | Composite magnetic material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063501A (en) * | 2019-12-26 | 2020-04-24 | 深圳市艺感科技有限公司 | Preparation method of low-loss powder for producing integrally-formed inductor |
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Application publication date: 20180727 |