CN100389212C - Process and device for heat treatment of amorphous nano-crystalline alloy iron core - Google Patents
Process and device for heat treatment of amorphous nano-crystalline alloy iron core Download PDFInfo
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- CN100389212C CN100389212C CNB2006100313798A CN200610031379A CN100389212C CN 100389212 C CN100389212 C CN 100389212C CN B2006100313798 A CNB2006100313798 A CN B2006100313798A CN 200610031379 A CN200610031379 A CN 200610031379A CN 100389212 C CN100389212 C CN 100389212C
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Abstract
The present invention discloses heat treatment technology for amorphous nano-crystalline alloy iron core with a high Br value rectangle ratio and a device thereof with simple structure. The present invention comprises the processing steps: an alloy iron core is put into a heating furnace for heat treatment after penetrated and sheathed on U-shaped conducting bars without conducting magnetism, and two times of heat preservation are carried out in the process of heat treatment; simultaneously, the conducting bars without conducting magnetism are connected to a magnetism power supply for applying a longitudinal magnetic field to the iron core. The device comprises a furnace body, a furnace cover and a plurality of U-shaped conducting bars without conducting magnetism arranged in the furnace body, wherein the U-shaped conducting bars are mutually connected in series to form a similarly snake-shaped conducting bar of which both ends are outwards led out of the furnace body.
Description
Technical field
The present invention relates to a kind of thermal treatment that is used for the iron core of perceptual device, especially relate to the thermal treatment process and the device of a kind of amorphous, nano-crystalline alloy iron core.
Prior art is domestic to be material with amorphous, nanometer crystal alloy, the magnetic amplifier iron core that is used for Switch power source that adopts common treatment process and common treatment facility to make, the Br value is lower, squareness ratio (Br/Bm)＜90%, and this type of iron core is difficult to satisfy the requirement of high-end power supply.
Summary of the invention
The objective of the invention is problem, the amorphous of a kind of high Br value, high squareness ratio, the thermal treatment process and the device of nano-crystalline alloy iron core are provided at above-mentioned prior art existence.
Thermal treatment process of the present invention comprises the steps: some annular amorphous, nano-crystalline alloy iron core is set in and places process furnace to heat up by prior art speed on the non-magnetic conducting and electric conducting body, began to be warming up to 85--95 minute, amorphous alloy iron core reaches 300--400 ℃, when nano-crystalline alloy iron core reaches 350-520 ℃, carry out 10-120 minute insulation for the first time with this temperature, carry out afterwards heating up the 30-120 minute second time and reaching required thermal treatment temp: amorphous alloy iron core is 400-495 ℃ again, nano-crystalline alloy iron core is after 490-590 ℃, begins to carry out the insulation of 20-120 branch clock time for the second time with this temperature.When beginning to be incubated, above-mentioned non-magnetic conducting and electric conducting body two ends are inserted the power supply of 20-180A electric current, the iron core that is set on this non-magnetic conducting and electric conducting body is applied its direction and the identical magnetic field of thin strip length direction that is used for Wound core, afterwards, stop heating and cool to 140-160 ℃ with the furnace, finish thermal treatment.Burner hearth cavity everywhere temperature head less than 3 ℃.
Begin soaking time the described first time for beginning to heat up back 90 minutes, for the first time and for the second time soaking time was respectively 30 and 60 minutes, heating-up time is 60 minutes for the second time, for the first time and for the second time holding temperature is respectively: 300 ℃ and 485 ℃ of amorphous alloy iron cores, 385 ℃ and 550 ℃ of nano-crystalline alloy iron cores, iron core removes magnetic field when being cooled to 150 ℃.
Mutually axial stacked being set on the non-magnetic conducting and electric conducting body of the iron core that desire is handled; The described magnetoelectricity source that adds is alternating-current or direct supply.
Described alloy-iron core thermal treatment unit comprises body of heater, and bell is characterized in that, described body of heater inner chamber is provided with the non-magnetic conducting and electric conducting body that is used to wear the alloy-iron core that desire need handle, and two terminations of this non-magnetic conducting and electric conducting body are drawn body of heater and are connected with the power supply line.
Microscler or the non-magnetic conduction current conducting rod of U-shaped is connected in series and forms described non-magnetic conducting and electric conducting body mutually by some, and the head and the tail two ends that the serial connection back forms is connected with the power supply line, and described microscler or U-shaped current conducting rod is fixed on bell or the body of heater.
Described non-magnetic conducting and electric conducting body is some mutually microscler or the excellent composition of U-shaped, every group of many groups of non-magnetic conducting and electric conducting bodies with two terminations of head and the tail of serial connection, two terminations of initial and end that the non-magnetic conducting and electric conducting body of these many groups is every group independent respectively or parallel with one another after draw with power supply and be connected.
Described bell is provided with the installation perforate that adapts with described current conducting rod thickness.
Thermal treatment unit of the present invention comprises
The apparatus structure that the present invention uses is simple, easy to install, and the iron core of primary treatment is big in batches, adopts this technology, device iron core to be imposed longitudinal magnetic field heat-treat, the Br value of the alloy-iron core of processing, squareness ratio height, and its squareness ratio reaches 95%--99%.Be used to produce saturable cores such as magnetic amplifier, spike suppressor iron core.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the present invention.Fig. 2 makees the synoptic diagram of the direction that is used for iron core for magnetic field.Fig. 3 is the thetagram of process implementing example of the present invention.
Embodiment
As shown in Figure 1, some non-magnetic conduction current conducting rods 3 are set up in the inner chamber of the barrel-shaped body of heater 1 in garden, need heat treated annular cobalt base amorphous alloy iron core 5 to be set on described each current conducting rod 3, bell 4 is stretched out in the opening termination of each current conducting rod 3, and be fixed on the bell 4 by fixing seals 2, each current conducting rod 3 from the end of rod with lead 6 mutually serial connection form one and be similar to snakelike lead, the initial and end of this snakelike lead two termination 3-a, 3-b with add the magnetoelectricity source and be connected.
The annular cobalt base amorphous alloy iron core 5 that desire is handled is set on each current conducting rod 3 by its centre hole, be installed in the stove, use the temperature rise rate of prior art, began to be warming up to 90 minutes from normal temperature, when temperature reaches 350 ℃, with this temperature insulation 30 minutes, continue again to heat up 60 minutes, when simultaneous temperature reaches 485 ℃, carry out secondary insulation 60 minutes with this temperature, in secondary insulation from the head of snakelike lead, two termination 3-a of tail, 3-b inserts 60A and exchanges or direct supply, begin iron core 5 is applied longitudinal magnetic field, the secondary insulation finishes to drop back to reduce phlegm and internal heat and handles the heating source of stove, make when iron core 5 cools to 150 ℃ with the furnace in the stove, the electric current that cuts off snakelike current conducting rod removes magnetic field, finishes thermal treatment process.
Above-mentioned thermal treatment process is for the iron-base nanometer crystal alloy iron core, and its holding temperature is 490 ℃, and the secondary holding temperature is 550 ℃, and all the other are identical with the thermal treatment process of cobalt base amorphous alloy iron core.
As shown in Figure 2, when the snakelike conductor wire 3 in being set in iron core 5 endoporus was passed to electric current, the direction of the magnetic line of force 9 of its generation was axial around iron core 5.
In Fig. 3,8 is the cobalt base amorphous alloy iron core, and 7 be the temperature curve of iron-base nanometer crystal alloy iron core.
Claims (6)
1. the thermal treatment process of an amorphous alloy iron core is characterized in that comprising the steps:
Annular amorphous alloy iron core being set on the electrical conductor of non-magnetic conduction places process furnace to heat up by prior art speed, began to be warming up to 85--95 minute, when temperature reaches 300--400 ℃, carry out 10-120 minute insulation for the first time with this temperature, carry out again afterwards being warming up to the 30-120 minute second time after required thermal treatment temp 400-495 ℃, begin to carry out the insulation of 20-160 branch clock time for the second time with this temperature, when beginning to be incubated, the electrical conductor two ends of above-mentioned non-magnetic conduction are inserted the power supply of 20-180A electric current, iron core on the electrical conductor that is set in this non-magnetic conduction is applied its direction and the identical magnetic field of thin strip length direction that is used for Wound core, afterwards, stop heating and cool to 140-160 ℃ with the furnace, finish thermal treatment; Burner hearth cavity everywhere temperature head less than 3 ℃.
2. according to the described thermal treatment process of claim 1, it is characterized in that beginning the described first time soaking time for beginning to heat up back 90 minutes, for the first time and for the second time soaking time was respectively 30 and 60 minutes, heating-up time is 60 minutes for the second time, for the first time and for the second time holding temperature is respectively: 300 ℃ and 485 ℃, iron core removes magnetic field when being cooled to 150 ℃, finishes thermal treatment.
3. by the described thermal treatment process of claim 1, it is characterized in that on the axially stacked mutually electrical conductor that is set in non-magnetic conduction of iron core that desire handles; The power supply that is used to produce described magnetic field is alternating-current or direct supply.
4. the thermal treatment process of a nano-crystalline alloy iron core is characterized in that comprising the steps:
Circular nano peritectic alloy iron core being set on the electrical conductor of non-magnetic conduction places process furnace to heat up by prior art speed, begin to be warming up to 85--95 minute, when temperature reaches 350-520 ℃, carry out 10-120 minute insulation for the first time with this temperature, carrying out afterwards heating up the 30-120 minute second time reaches after required thermal treatment temp 490-590 ℃ again, begins to carry out the insulation of 20-160 branch clock time for the second time with this temperature.When beginning to be incubated, the electrical conductor two ends of above-mentioned non-magnetic conduction are inserted the power supply of 20-180A electric current, iron core on the electrical conductor that is set in this non-magnetic conduction is applied its direction and the identical magnetic field of thin strip length direction that is used for Wound core, afterwards, stop heating and cool to 140-160 ℃ with the furnace, finish thermal treatment; Burner hearth cavity everywhere temperature head less than 3 ℃.
5. according to the described thermal treatment process of claim 4, it is characterized in that beginning the described first time soaking time for beginning to heat up back 90 minutes, for the first time and for the second time soaking time was respectively 30 and 60 minutes, heating-up time is 60 minutes for the second time, for the first time and for the second time holding temperature is respectively: 350 ℃ and 550 ℃, iron core removes magnetic field when being cooled to 150 ℃, finishes thermal treatment.
6. by the described thermal treatment process of claim 4, it is characterized in that on the axially stacked mutually electrical conductor that is set in non-magnetic conduction of iron core that desire handles; The power supply that is used to produce described magnetic field is alternating-current or direct supply.
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| CNB2006100313798A CN100389212C (en) | 2006-03-19 | 2006-03-19 | Process and device for heat treatment of amorphous nano-crystalline alloy iron core |
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| CNB2006100313798A CN100389212C (en) | 2006-03-19 | 2006-03-19 | Process and device for heat treatment of amorphous nano-crystalline alloy iron core |
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| CN100389212C true CN100389212C (en) | 2008-05-21 |
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Cited By (1)
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| CN102496450A (en) * | 2011-12-28 | 2012-06-13 | 天津奥纳科技有限公司 | Strong magnetic annealing process for ultracrystalline iron core and equipment special for strong magnetic annealing process |
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| CN101717901B (en) * | 2009-12-22 | 2011-07-20 | 上海大学 | Process and device for amorphous thin ribbon heat treatment under the action of pulsed magnetic field |
| CN101956052B (en) * | 2010-10-08 | 2012-11-14 | 安泰科技股份有限公司 | Amorphous and/or nanocrystalline iron core stress heat treatment device and method |
| CN102965478A (en) * | 2012-12-07 | 2013-03-13 | 青岛云路新能源科技有限公司 | Heat treatment method for iron-based amorphous strip |
| CN103555919A (en) * | 2013-11-22 | 2014-02-05 | 江阴市晶磁电子有限公司 | Normal pressure amorphous iron core heat treatment method |
| CN104962706A (en) * | 2015-07-07 | 2015-10-07 | 长兴县大云电炉制造有限公司 | Electromagnetic induction furnace for carrying out heat treatment on amorphous and nanocrystalline materials |
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| CN110400670B (en) * | 2019-04-18 | 2021-07-30 | 江西大有科技有限公司 | High-squareness-ratio cobalt-based amorphous alloy iron core and preparation method thereof |
| CN110527798A (en) * | 2019-09-17 | 2019-12-03 | 江苏奥玛德新材料科技有限公司 | A kind of heat treatment method of amorphous alloy iron core |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355221A (en) * | 1981-04-20 | 1982-10-19 | Electric Power Research Institute, Inc. | Method of field annealing an amorphous metal core by means of induction heating |
| JPS5881924A (en) * | 1981-08-18 | 1983-05-17 | Toshiba Corp | Method for annealing wound core and annealing furnace |
| US4649248A (en) * | 1984-06-05 | 1987-03-10 | Allied Corporation | Annealing furnace for annealing magnetic cores in a magnetic field |
| US4812608A (en) * | 1988-03-22 | 1989-03-14 | Hydro-Quebec | Oven for thermo-magnetic treatment of toroidal coils of amorphous ferro-magnetic ribbon material |
| SU1532593A1 (en) * | 1987-05-13 | 1989-12-30 | Институт Физики Металлов Уральского Научного Центра Ан Ссср | Apparatus for thermomagnetic treatment of magnetic materials |
| CN1088711A (en) * | 1992-12-23 | 1994-06-29 | 通用电气公司 | The method and apparatus of the continuous field annealing of the magnetic core of transformer of amorphous metal |
| CN1505822A (en) * | 2001-07-13 | 2004-06-16 | 真空融化两合公司 | Method for producing nanocrystalline magnet cores, and device for carrying out said method |
-
2006
- 2006-03-19 CN CNB2006100313798A patent/CN100389212C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4355221A (en) * | 1981-04-20 | 1982-10-19 | Electric Power Research Institute, Inc. | Method of field annealing an amorphous metal core by means of induction heating |
| JPS5881924A (en) * | 1981-08-18 | 1983-05-17 | Toshiba Corp | Method for annealing wound core and annealing furnace |
| US4649248A (en) * | 1984-06-05 | 1987-03-10 | Allied Corporation | Annealing furnace for annealing magnetic cores in a magnetic field |
| SU1532593A1 (en) * | 1987-05-13 | 1989-12-30 | Институт Физики Металлов Уральского Научного Центра Ан Ссср | Apparatus for thermomagnetic treatment of magnetic materials |
| US4812608A (en) * | 1988-03-22 | 1989-03-14 | Hydro-Quebec | Oven for thermo-magnetic treatment of toroidal coils of amorphous ferro-magnetic ribbon material |
| CN1088711A (en) * | 1992-12-23 | 1994-06-29 | 通用电气公司 | The method and apparatus of the continuous field annealing of the magnetic core of transformer of amorphous metal |
| CN1505822A (en) * | 2001-07-13 | 2004-06-16 | 真空融化两合公司 | Method for producing nanocrystalline magnet cores, and device for carrying out said method |
Non-Patent Citations (4)
| Title |
|---|
| 多功能罩式热处理炉. 孙学范.金属功能材料，第5期. 1996 |
| 多功能罩式热处理炉. 孙学范.金属功能材料，第5期. 1996 * |
| 高剩磁比、低损耗非晶合金. 王新林等.钢铁研究总院学报，第5卷第1期. 1985 |
| 高剩磁比、低损耗非晶合金. 王新林等.钢铁研究总院学报，第5卷第1期. 1985 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496450A (en) * | 2011-12-28 | 2012-06-13 | 天津奥纳科技有限公司 | Strong magnetic annealing process for ultracrystalline iron core and equipment special for strong magnetic annealing process |
| CN102496450B (en) * | 2011-12-28 | 2017-03-15 | 天津三环奥纳科技有限公司 | A kind of strong magnetic anneal technique of microcrystalline iron core and its special equipment |
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