CN104072122A - Ferrite material with high magnetic strength - Google Patents
Ferrite material with high magnetic strength Download PDFInfo
- Publication number
- CN104072122A CN104072122A CN201410260888.2A CN201410260888A CN104072122A CN 104072122 A CN104072122 A CN 104072122A CN 201410260888 A CN201410260888 A CN 201410260888A CN 104072122 A CN104072122 A CN 104072122A
- Authority
- CN
- China
- Prior art keywords
- high magnetic
- ferrite material
- magnetic strength
- zno
- mno
- 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
Landscapes
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses a ferrite material with high magnetic strength. The ferrite material comprises the following raw materials: Fe2O3, MnO, ZnO, sodium hexametaphosphate, CaO, SiO2, V2O5, MoO3, Bi2O3 and P2O5, wherein the molar ratio of Fe2O3 to MnO to ZnO is (50-55) to (20-27) to (20-28); based on the mass sum of Fe2O3, MnO and ZnO, the mass fractions of sodium hexametaphosphate, CaO, SiO2, V2O5, MoO3, Bi2O3 and P2O5 are respectively 0.9-1.5%, 0.025-0.035%, 0.005-0.015%, 0.018-0.042%, 0.01-0.02%, 0.02-0.04% and 0.02-0.03%. The ferrite material with high magnetic strength is prepared by the following steps: weighing the raw materials; primarily ball-milling; pre-sintering; secondarily ball-milling; pelleting; dry pressing; and sintering.
Description
Technical field
The invention belongs to core material technical field, relate in particular to a kind of high magnetic strength Ferrite Material.
Background technology
Ferrite is a kind of nonmetal magnetic material growing up nineteen forties.Because its outer appearnce is similar to pottery, be therefore also referred to as by " ferrite ".Ferrite Material is because its resistivity is much bigger compared with other metallic substance, thereby has very high dielectric properties, has good performance when frequency is higher, in high frequency light current field, does well.And increasingly universal along with digital information technology also improve constantly the requirement of high magnetic strength Ferrite Material, require high magnetic strength Ferrite Material to there is the performances such as high magnetic permeability, high magnetic induction, low-loss.But in prior art, the over-all properties of Ferrite Material is desirable not enough, need to improve.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of high magnetic strength Ferrite Material.
A kind of high magnetic strength Ferrite Material that the present invention proposes, its raw material comprises: Fe
2o
3, MnO, ZnO, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5, wherein, Fe
2o
3: the mol ratio of MnO:ZnO is (50～55): (20～27): (20～28), and with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 0.9%～1.5%, 0.025%～0.035%, 0.005%～0.015%, 0.018%～0.042%, 0.01%～0.02%, 0.02%～0.04%, 0.02%～0.03%;
In the preparation process of high magnetic strength Ferrite Material, S1: take each raw material, powder is carried out to ball milling, pre-burning, secondary ball milling, granulation, dry-pressing formed processing, complete blank forming, stand-by, wherein, in secondary ball milling process, add Sodium hexametaphosphate 99 as dispersion agent; S2: sintering: the base substrate of moulding in S1 is put into high temperature sintering furnace, average temperature rise rate with 170～180 ℃/h is warming up to 1150～1210 ℃, in temperature-rise period, rising along with temperature, temperature rise rate is first accelerated to slow down afterwards, and be incubated 2.8～3.4h, and be cooled to room temperature, obtain high magnetic strength Ferrite Material.
Preferably, in S2, with the average temperature rise rate intensification of 175 ℃/h.
Preferably, in S2, with the average temperature rise rate of 175 ℃/h, be warming up to 1180 ℃.
Preferably, in S2, insulation 3h.
Preferably, Fe
2o
3: the mol ratio of MnO:ZnO is 54:23:22.
Preferably, with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 1.3%, 0.032%, 0.007%, 0.019%, 0.018%, 0.021%, 0.023%.
In the present invention, by adopting suitable Fe
2o
3, MnO, ZnO three's proportioning, can, so that material has higher initial permeability, regulate and control on the other hand Fe on the one hand
2o
3with the proportionlity of ZnO, can be that material obtains applicable Curie temperature, meanwhile, adopt CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5ferrite is carried out to doping treatment, by CaO, can improve grain boundary resistance rate, effectively reduce the magnetic loss of Ferrite Material, pass through SiO
2can play hydrotropy effect, effectively lower the loss of material, pass through V
2o
5can crystal grain thinning, reduce the void content of material, promote ferritic initial permeability, pass through Bi
2o
3can impel grain growing, make crystal boundary even, pore reduces, and promotes ferritic initial permeability, passes through MoO
3can reduce the polarizability of material internal, impel domain wall displacement, reduce the coercive force of material, pass through P
2o
5can improve Saturation magnetic sense intensity; Simultaneously, committed step sintering in preparation technology is optimized, in sintering process, by sintering temperature, soaking time and temperature rise rate are controlled, polycrystalline Ferrite Material balance on intensity, density and electromagnetic performance that blank is formed is good, excellent combination property; Thereby, by being prepared by FERRITE CORE to the control of each step and the cooperation of each step, make FERRITE CORE can obtain good over-all properties.
Embodiment
Below in conjunction with specific examples, the present invention is described in detail; should understand; embodiment is only for the present invention is described, rather than for the present invention is limited, and any modification of making on basis of the present invention, is equal to replacement etc. all in protection scope of the present invention.
Embodiment 1
A high magnetic strength Ferrite Material, its raw material comprises:
Fe
2o
3, MnO, ZnO, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5, wherein, Fe
2o
3: the mol ratio of MnO:ZnO is 54:23:23, with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 1.3%, 0.032%, 0.007%, 0.019%, 0.018%, 0.021%, 0.023%;
In the preparation process of high magnetic strength Ferrite Material, S1: take each raw material, powder is carried out to ball milling, pre-burning, secondary ball milling, granulation, dry-pressing formed processing, complete blank forming, stand-by, wherein, in secondary ball milling process, add Sodium hexametaphosphate 99 as dispersion agent; S2: sintering: the base substrate of moulding in S1 is put into high temperature sintering furnace, be warming up to 1180 ℃ with the average temperature rise rate of 175 ℃/h, in temperature-rise period, along with the rising of temperature, temperature rise rate is first accelerated to slow down afterwards, and is incubated 3h, be cooled to room temperature, obtain high magnetic strength Ferrite Material.
Embodiment 2
A high magnetic strength Ferrite Material, its raw material comprises:
Fe
2o
3, MnO, ZnO, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5, wherein, Fe
2o
3: the mol ratio of MnO:ZnO is 53:25:22, with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 0.9%, 0.025%, 0.006%, 0.018%, 0.02%, 0.02%, 0.03%;
In the preparation process of high magnetic strength Ferrite Material, S1: take each raw material, powder is carried out to ball milling, pre-burning, secondary ball milling, granulation, dry-pressing formed processing, complete blank forming, stand-by, wherein, in secondary ball milling process, add Sodium hexametaphosphate 99 as dispersion agent; S2: sintering: the base substrate of moulding in S1 is put into high temperature sintering furnace, be warming up to 1150 ℃ with the average temperature rise rate of 170 ℃/h, in temperature-rise period, along with the rising of temperature, temperature rise rate is first accelerated to slow down afterwards, and is incubated 3.4h, be cooled to room temperature, obtain high magnetic strength Ferrite Material.
Embodiment 3
A high magnetic strength Ferrite Material, its raw material comprises:
Fe
2o
3, MnO, ZnO, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5, wherein, Fe
2o
3: the mol ratio of MnO:ZnO is 54:22:24, with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 1.5%, 0.035%, 0.008%, 0.022%, 0.01%, 0.03%, 0.02%;
In the preparation process of high magnetic strength Ferrite Material, S1: take each raw material, powder is carried out to ball milling, pre-burning, secondary ball milling, granulation, dry-pressing formed processing, complete blank forming, stand-by, wherein, in secondary ball milling process, add Sodium hexametaphosphate 99 as dispersion agent; S2: sintering: the base substrate of moulding in S1 is put into high temperature sintering furnace, be warming up to 1210 ℃ with the average temperature rise rate of 180 ℃/h, in temperature-rise period, along with the rising of temperature, temperature rise rate is first accelerated to slow down afterwards, and is incubated 2.8h, be cooled to room temperature, obtain high magnetic strength Ferrite Material.
In embodiment 1-3, the properties of the high magnetic strength Ferrite Material that test makes, performance data is as shown in table 1.
In above-mentioned table 1, data show, Ferrite Material disclosed in this invention has good over-all properties.
Claims (6)
1. a high magnetic strength Ferrite Material, is characterized in that, its raw material comprises: Fe
2o
3, MnO, ZnO, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5, wherein, Fe
2o
3: the mol ratio of MnO:ZnO is (50～55): (20～27): (20～28), and with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 0.9%～1.5%, 0.025%～0.035%, 0.005%～0.015%, 0.018%～0.042%, 0.01%～0.02%, 0.02%～0.04%, 0.02%～0.03%;
In the preparation process of high magnetic strength Ferrite Material, S1: take each raw material, powder is carried out to ball milling, pre-burning, secondary ball milling, granulation, dry-pressing formed processing, complete blank forming, stand-by, wherein, in secondary ball milling process, add Sodium hexametaphosphate 99 as dispersion agent; S2: sintering: the base substrate of moulding in S1 is put into high temperature sintering furnace, average temperature rise rate with 170～180 ℃/h is warming up to 1150～1210 ℃, in temperature-rise period, rising along with temperature, temperature rise rate is first accelerated to slow down afterwards, and be incubated 2.8～3.4h, and be cooled to room temperature, obtain high magnetic strength Ferrite Material.
2. high magnetic strength Ferrite Material according to claim 1, is characterized in that, in S2, with the average temperature rise rate intensification of 175 ℃/h.
3. high magnetic strength Ferrite Material according to claim 2, is characterized in that, in S2, with the average temperature rise rate of 175 ℃/h, is warming up to 1180 ℃.
4. high magnetic strength Ferrite Material according to claim 1, is characterized in that, in S2, and insulation 3h.
5. high magnetic strength Ferrite Material according to claim 1, is characterized in that Fe
2o
3: the mol ratio of MnO:ZnO is 54:23:22.
6. high magnetic strength Ferrite Material according to claim 1, is characterized in that, with Fe
2o
3, MnO, ZnO three's quality and be benchmark, Sodium hexametaphosphate 99, CaO, SiO
2, V
2o
5, MoO
3, Bi
2o
3, P
2o
5massfraction be respectively 1.3%, 0.032%, 0.007%, 0.019%, 0.018%, 0.021%, 0.023%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260888.2A CN104072122A (en) | 2014-06-12 | 2014-06-12 | Ferrite material with high magnetic strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260888.2A CN104072122A (en) | 2014-06-12 | 2014-06-12 | Ferrite material with high magnetic strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104072122A true CN104072122A (en) | 2014-10-01 |
Family
ID=51593782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410260888.2A Pending CN104072122A (en) | 2014-06-12 | 2014-06-12 | Ferrite material with high magnetic strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104072122A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216138A (en) * | 2017-04-28 | 2017-09-29 | 苏州冠达磁业有限公司 | Electromagnetic induction wireless charging manganese-zinc ferrite magnetic sheet and preparation method thereof |
| CN114031387A (en) * | 2021-11-23 | 2022-02-11 | 江西伟普科技有限公司 | Preparation method of ferrite magnetic material with high magnetic permeability |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402266A (en) * | 2002-09-13 | 2003-03-12 | 无锡晶石磁性电子器件有限公司 | Magnanese-zinc ferrite magnetic core |
| CN101241794A (en) * | 2007-02-06 | 2008-08-13 | 昆山尼赛拉电子器材有限公司 | Mn-Zn ferrite material and its making method |
| CN101859621A (en) * | 2009-04-08 | 2010-10-13 | 广东江粉磁材股份有限公司 | MnZn ferrite material with high magnetic conductivity and manufacturing method thereof |
| CN101905970A (en) * | 2010-08-02 | 2010-12-08 | 天长市昭田磁电科技有限公司 | High magnetic conductivity and low loss factor manganese-zinc ferrite material and manufacture process thereof |
| CN103102149A (en) * | 2013-02-19 | 2013-05-15 | 常熟市信立磁业有限公司 | Broadband high permeability Mn-Zn ferrite material |
| CN103113093A (en) * | 2013-02-26 | 2013-05-22 | 苏州冠达磁业有限公司 | High-frequency and high-impedance manganese zinc ferrite bead and production method thereof |
-
2014
- 2014-06-12 CN CN201410260888.2A patent/CN104072122A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402266A (en) * | 2002-09-13 | 2003-03-12 | 无锡晶石磁性电子器件有限公司 | Magnanese-zinc ferrite magnetic core |
| CN101241794A (en) * | 2007-02-06 | 2008-08-13 | 昆山尼赛拉电子器材有限公司 | Mn-Zn ferrite material and its making method |
| CN101859621A (en) * | 2009-04-08 | 2010-10-13 | 广东江粉磁材股份有限公司 | MnZn ferrite material with high magnetic conductivity and manufacturing method thereof |
| CN101905970A (en) * | 2010-08-02 | 2010-12-08 | 天长市昭田磁电科技有限公司 | High magnetic conductivity and low loss factor manganese-zinc ferrite material and manufacture process thereof |
| CN103102149A (en) * | 2013-02-19 | 2013-05-15 | 常熟市信立磁业有限公司 | Broadband high permeability Mn-Zn ferrite material |
| CN103113093A (en) * | 2013-02-26 | 2013-05-22 | 苏州冠达磁业有限公司 | High-frequency and high-impedance manganese zinc ferrite bead and production method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 林辉龙等: "锰锌铁氧体粉体制备技术与添加剂的研究进展", 《辽宁科技大学学报》 * |
| 韩志全: "《铁氧体及其磁性物理》", 31 July 2010, 航空工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107216138A (en) * | 2017-04-28 | 2017-09-29 | 苏州冠达磁业有限公司 | Electromagnetic induction wireless charging manganese-zinc ferrite magnetic sheet and preparation method thereof |
| CN114031387A (en) * | 2021-11-23 | 2022-02-11 | 江西伟普科技有限公司 | Preparation method of ferrite magnetic material with high magnetic permeability |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102360916B (en) | Method for manufacturing broadband high-conductivity manganese-zinc ferrite magnetic core | |
| CN103396109B (en) | High-frequency low-loss soft magnetic ferrite core material and its preparation method | |
| CN101404197B (en) | Manganese zinc soft magnetic ferrite and production method for its magnetic core | |
| CN104891982A (en) | Rare earth high-magnetic-permeability soft magnetic ferrite and preparation method thereof | |
| CN104529425A (en) | Wide-temperature and high-permeability MnZn ferrite material and preparation method thereof | |
| CN103382100B (en) | Soft-magnetic ferrite magnetic core material and preparation method thereof | |
| CN103482986A (en) | Low-loss MnZn ferrite material sintering method | |
| CN107324794A (en) | A kind of wideband, high impedance, MnZn ferrite material of high-curie temperature and preparation method thereof | |
| CN111205075B (en) | Nickel-zinc ferrite material and preparation method thereof | |
| CN103524124A (en) | Sintering method of high-magnetic-permeability MnZn ferrite material | |
| CN102992748B (en) | Preparation method of MnZn (Manganese-Zinc) soft magnetic ferrite material containing modified nanoscale titanium dioxide | |
| CN104817319A (en) | Magnetic powder | |
| CN105174931A (en) | Preparation method for NiCuZn ferrite material | |
| CN104072119A (en) | Low-loss ferrite material | |
| CN102432279B (en) | High-strength thermal-shock-resistant nickel zinc ferrite and preparation method thereof | |
| CN104030671A (en) | LiZnTi ferrite material for LTCC phase shifter and preparation method of material | |
| CN105399411A (en) | Process for low-temperature sintering of manganese zinc ferrite | |
| CN103396112B (en) | Soft magnetic ferrite material and preparation method thereof | |
| CN104108926A (en) | A ferrite material with high magnetic permeance | |
| CN104072122A (en) | Ferrite material with high magnetic strength | |
| Yao et al. | Dual functions of novel glass–ceramic floor tile design and preparation | |
| CN105503166A (en) | Mn-Zn ferrite with broad frequency and high electromagnetic properties as well as preparation method of Mn-Zn ferrite | |
| CN103382104B (en) | Rare-earth-doped soft-magnetic ferrite and preparation method thereof | |
| CN103382102B (en) | Low-temperature-sintered nickel-zinc-copper soft magnetic ferrite material and preparation method thereof | |
| CN102674846B (en) | Method for manufacturing high permeability magnetic core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141001 |
|
| RJ01 | Rejection of invention patent application after publication |