CN105244133A - Preparation method of magnetic material - Google Patents
Preparation method of magnetic material Download PDFInfo
- Publication number
- CN105244133A CN105244133A CN201510769849.XA CN201510769849A CN105244133A CN 105244133 A CN105244133 A CN 105244133A CN 201510769849 A CN201510769849 A CN 201510769849A CN 105244133 A CN105244133 A CN 105244133A
- Authority
- CN
- China
- Prior art keywords
- samarium
- cobalt
- molybdenum
- zinc
- magnetic material
- 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.)
- Pending
Links
Abstract
The invention relates to a preparation method of a magnetic material. The magnetic material is prepared from, by weight, 42.3%-42.5% of manganese, 6.4%-6.5% of zinc, 0.01%-0.03% of titanium, 0.03%-0.05% of molybdenum, 0.15%-0.25% of copper, 0.01%-0.03% of scandium, 0.02%-0.05% of tellurium, 0.01%-0.03% of ruthenium, 0.2%-0.35% of niobium, 0.01%-0.03% of samarium, 0.15%-0.2% of cobalt and the balance iron. According to the technical scheme, the Curie temperature of a prepared magnet is over 280 DEG C, and compared with the prior art, the power loss of the magnet is much lower.
Description
Technical field
The invention belongs to field of magnetic material, refer to a kind of magnetic material preparation method of automobile magnetic core especially.
Background technology
The requirement of automobile magnetic core to magnetic material is stricter, require that magnetic material must have high Curie temperature, at least more than 280 DEG C, under 100 DEG C and above temperature conditions, the anti-saturation had, anti-DC stacked ability, and the power loss of magnetic material is low.
Existing common magnetic material all can not meet the above-mentioned requirements of automobile magnetic core, and can ensure the selling at exorbitant prices of the magnetic material of above-mentioned requirements.
Summary of the invention
The object of this invention is to provide the magnetic material of a kind of high-curie temperature and saturation induction density, on the other hand there is low power loss.
The present invention is achieved by the following technical solutions:
Described preparation method is:
Batching, become and be by weight percentage, the tellurium of the copper of the titanium of the manganese of 42.3-42.5%, the zinc of 6.4-6.5%, 0.01-0.03%, the molybdenum of 0.03-0.05%, 0.15-0.25%, the scandium of 0.01-0.03%, 0.02-0.05%, the ruthenium of 0.01-0.03%, the niobium of 0.2-0.35%, the samarium of 0.01-0.03%, the cobalt of 0.15-0.2%, surplus is that iron is got the raw materials ready;
Mixing, above-mentioned each composition is made the powder that average grain diameter is 10-20 micron, then in batch mixer batch mixing 30-60 minute;
Compacting, suppresses 10-60 and becomes base substrate under 500-700MPa second;
Fire, at 750-800 DEG C of pre-burning 1-2 hour, then the hot 180-200MPa that pressurizes in mould of band carries out shaping compacting, improves the density of magnet, then fire 2-4 hour with basketball at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.
Described iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are prepared in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively.
The present invention's beneficial effect is compared with the existing technology:
By the technical program, the Curie temperature of obtained magnet is more than 280 DEG C, and its power loss is compared with the existing technology low many.
Embodiment
Describe technical scheme of the present invention in detail by the following examples, should be understood that, following embodiment only can be used for explaining the present invention and can not being interpreted as being limitation of the present invention.
Described preparation method is:
Batching, become and be by weight percentage, the tellurium of the copper of the titanium of the manganese of 42.3-42.5%, the zinc of 6.4-6.5%, 0.01-0.03%, the molybdenum of 0.03-0.05%, 0.15-0.25%, the scandium of 0.01-0.03%, 0.02-0.05%, the ruthenium of 0.01-0.03%, the niobium of 0.2-0.35%, the samarium of 0.01-0.03%, the cobalt of 0.15-0.2%, surplus is that iron is got the raw materials ready; Described iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are got the raw materials ready in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively;
Mixing, above-mentioned each composition is made the powder that average grain diameter is 10-20 micron, then in batch mixer batch mixing 30-60 minute; Also can add bonding agent in other embodiments of the invention and be beneficial to compacting, bonding agent used is the technology that this area is commonly used;
Compacting, suppresses 10-60 and becomes base substrate under 500-700MPa second;
Fire, at 750-800 DEG C of pre-burning 1-2 hour, then the hot 180-200MPa that pressurizes in mould of band carries out shaping compacting, is beneficial to the density improving magnet, then fires 2-4 hour at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.In the present invention, the technical scheme in later stage is identical with prior art, does not therefore just carry out repeat specification.In the present invention, the change of each embodiment is little, distinguishes the maximum proportioning for magnetic material.
Embodiment 1
Described preparation method is:
Batching, become and be by weight percentage, the manganese of 42.3%, the zinc of 6.4%, 0.01% titanium, the molybdenum of 0.03%, copper, the scandium of 0.01%, tellurium, the ruthenium of 0.01%, niobium, the samarium of 0.01%, the cobalt of 0.15% of 0.2% of 0.02% of 0.15%, surplus is that iron is got the raw materials ready; Wherein, iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are got the raw materials ready in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively;
Mixing, makes above-mentioned each composition the powder that average grain diameter is 10-20 micron, also can directly obtain the powder of above-mentioned particle diameter by buying herein, then in batch mixer batch mixing 30 minutes; Compacting, suppresses and becomes base substrate in 25 seconds under 600MPa;
Fire, 750-800 DEG C of pre-burning 1 hour, then the hot 180MPa that pressurizes in mould of band carried out shaping compacting, is beneficial to the density improving magnet, then fires 3.5 hours at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.
Embodiment 2
Described preparation method is:
Batching, become and be by weight percentage, the manganese of 42.5%, the zinc of 6.5%, 0.03% titanium, the molybdenum of 0.05%, copper, the scandium of 0.03%, tellurium, the ruthenium of 0.03%, niobium, the samarium of 0.03%, the cobalt of 0.2% of 0.35% of 0.05% of 0.25%, surplus is that iron is got the raw materials ready; Wherein, iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are got the raw materials ready in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively;
Mixing, makes above-mentioned each composition the powder that average grain diameter is 10-20 micron, also can directly obtain the powder of above-mentioned particle diameter by buying herein, then in batch mixer batch mixing 60 minutes;
Compacting, suppresses and becomes base substrate in 30 seconds under 700MPa;
Fire, 750-800 DEG C of pre-burning 1.5 hours, then the hot 180MPa that pressurizes in mould of band carried out shaping compacting, is beneficial to the density improving magnet, then fires 3 hours at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.
Embodiment 3
Described preparation method is:
Batching, become and be by weight percentage, the manganese of 42.4%, the zinc of 6.45%, 0.025% titanium, the molybdenum of 0.035%, copper, the scandium of 0.02%, tellurium, the ruthenium of 0.015%, niobium, the samarium of 0.02%, the cobalt of 0.17% of 0.3% of 0.04% of 0.2%, surplus is that iron is got the raw materials ready; Wherein, iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are got the raw materials ready in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively;
Mixing, makes above-mentioned each composition the powder that average grain diameter is 10-20 micron, also can directly obtain the powder of above-mentioned particle diameter by buying herein, then in batch mixer batch mixing 45 minutes;
Compacting, suppresses and becomes base substrate in 45 seconds under 650MPa;
Fire, 750-800 DEG C of pre-burning 1.5 hours, then the hot 200MPa that pressurizes in mould of band carried out shaping compacting, is beneficial to the density improving magnet, then fires 3 hours at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.
Claims (2)
1. a magnetic material preparation method, is characterized in that:
Batching, become and be by weight percentage, the tellurium of the copper of the titanium of the manganese of 42.3-42.5%, the zinc of 6.4-6.5%, 0.01-0.03%, the molybdenum of 0.03-0.05%, 0.15-0.25%, the scandium of 0.01-0.03%, 0.02-0.05%, the ruthenium of 0.01-0.03%, the niobium of 0.2-0.35%, the samarium of 0.01-0.03%, the cobalt of 0.15-0.2%, surplus is that iron is got the raw materials ready;
Mixing, above-mentioned each composition is made the powder that average grain diameter is 10-20 micron, then in batch mixer batch mixing 30-60 minute;
Compacting, suppresses 10-60 and becomes base substrate under 500-700MPa second;
Fire, at 750-800 DEG C of pre-burning 1-2 hour, then the hot 180-200MPa that pressurizes in mould of band carries out shaping compacting, is beneficial to the density improving magnet, then fires 2-4 hour at 1250-1350 DEG C; Pass into water vapour when being then at the uniform velocity cooled to 650-700 DEG C and carry out surface treatment, be cooled to room temperature.
2. magnetic material preparation method according to claim 1, is characterized in that: described iron, manganese, zinc, titanium, molybdenum, copper, niobium, samarium and cobalt are prepared in the mode of di-iron trioxide, mangano-manganic oxide, zinc oxide, titanium dioxide, molybdenum trioxide, cupric oxide, columbium sesquioxide, cobalt sesquioxide, samarium sesquioxide respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769849.XA CN105244133A (en) | 2015-11-12 | 2015-11-12 | Preparation method of magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510769849.XA CN105244133A (en) | 2015-11-12 | 2015-11-12 | Preparation method of magnetic material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105244133A true CN105244133A (en) | 2016-01-13 |
Family
ID=55041737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510769849.XA Pending CN105244133A (en) | 2015-11-12 | 2015-11-12 | Preparation method of magnetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244133A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244134A (en) * | 2015-11-12 | 2016-01-13 | 薛亚红 | Magnetic material and preparation method |
| CN106409496A (en) * | 2016-08-22 | 2017-02-15 | 椤惧缓 | Preparation method for magnetic material |
| CN108417332A (en) * | 2018-03-13 | 2018-08-17 | 海宁市天丰磁业有限公司 | A kind of ferroalloy magnetic material preparation method |
| CN109427457A (en) * | 2017-08-23 | 2019-03-05 | 安徽邦瑞新材料科技有限公司 | A kind of low energy damage magnetic material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061080A (en) * | 2004-11-19 | 2007-10-24 | 日立金属株式会社 | Low-loss Mn-Zn ferrite and, electronic part and switching power supply utilizing the same |
| US20120085963A1 (en) * | 2010-10-08 | 2012-04-12 | Samsung Electro-Mechanics Co., Ltd. | Ferrite composition for high frequency bead and chip bead comprising the same |
| CN104308158A (en) * | 2014-10-24 | 2015-01-28 | 张超 | Magnetic material manufacturing method |
-
2015
- 2015-11-12 CN CN201510769849.XA patent/CN105244133A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101061080A (en) * | 2004-11-19 | 2007-10-24 | 日立金属株式会社 | Low-loss Mn-Zn ferrite and, electronic part and switching power supply utilizing the same |
| US20120085963A1 (en) * | 2010-10-08 | 2012-04-12 | Samsung Electro-Mechanics Co., Ltd. | Ferrite composition for high frequency bead and chip bead comprising the same |
| CN104308158A (en) * | 2014-10-24 | 2015-01-28 | 张超 | Magnetic material manufacturing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244134A (en) * | 2015-11-12 | 2016-01-13 | 薛亚红 | Magnetic material and preparation method |
| CN106409496A (en) * | 2016-08-22 | 2017-02-15 | 椤惧缓 | Preparation method for magnetic material |
| CN109427457A (en) * | 2017-08-23 | 2019-03-05 | 安徽邦瑞新材料科技有限公司 | A kind of low energy damage magnetic material and preparation method thereof |
| CN108417332A (en) * | 2018-03-13 | 2018-08-17 | 海宁市天丰磁业有限公司 | A kind of ferroalloy magnetic material preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105244133A (en) | Preparation method of magnetic material | |
| CN101386530B (en) | Ni-Zn soft magnetic ferrite material and preparation method thereof | |
| CN102360916B (en) | Method for manufacturing broadband high-conductivity manganese-zinc ferrite magnetic core | |
| CN101891456B (en) | High rupture strength nickel-zinc soft magnetic ferrite material and preparation method thereof | |
| CN105097168A (en) | Magnetic core material to which rare earth element is added | |
| TW201230084A (en) | Iron group-based soft magnetic powder | |
| CN104308159A (en) | Magnetic material and manufacturing method | |
| CN104308158A (en) | Magnetic material manufacturing method | |
| CN102276245A (en) | High-temperature-resistant soldering tin, nickel and zinc soft magnetic ferrite material | |
| CN102693806B (en) | A kind of network transformer Mn-Zn high magnetic conductivity ferrite and preparation method thereof | |
| CN105060874A (en) | Manganese zinc ferrite material for increasing electrical resistivity | |
| CN105244134A (en) | Magnetic material and preparation method | |
| CN103021612A (en) | Magnetic material for automobile magnetic core | |
| CN103021611A (en) | Magnetic material for automobile magnetic core and preparation method | |
| CN103011796A (en) | Method for preparing magnetic material for automobile magnetic cores | |
| CN104072118A (en) | Manganese zinc ferrite material and preparation process thereof | |
| CN105970006A (en) | Method for preparing titanium dioxide through high-iron-oxide titanium concentrate | |
| CN104319048A (en) | Magnetic material | |
| CN106409496A (en) | Preparation method for magnetic material | |
| CN105097172A (en) | Low-magnetic-loss ferrite core material | |
| CN103332927A (en) | Mn-Zn ferrite having high magnetic permeability in wide temperature range | |
| CN106205931A (en) | A kind of magnetic material and preparation method | |
| JP6359273B2 (en) | Powder magnetic core and method for manufacturing the same | |
| CN105070451A (en) | Composite permeability magnetic material magnetic core | |
| CN104291804A (en) | Method for preparing wide-temperature magnesium-copper-zinc soft magnetic ferrite core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160113 |