CN109880976A - A kind of small-sized quick magnetic field annealing furnace - Google Patents
A kind of small-sized quick magnetic field annealing furnace Download PDFInfo
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- CN109880976A CN109880976A CN201910267317.4A CN201910267317A CN109880976A CN 109880976 A CN109880976 A CN 109880976A CN 201910267317 A CN201910267317 A CN 201910267317A CN 109880976 A CN109880976 A CN 109880976A
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- 238000000137 annealing Methods 0.000 title claims abstract description 87
- 238000010438 heat treatment Methods 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The present invention provides a kind of small-sized quick magnetic field annealing furnace, is related to anneal of material technical field, comprising: furnace body, furnace body are in the tubulose of both ends open, and one end of furnace body is sealed using one first fast joint, and the other end of furnace body is sealed using one second fast joint；Specimen holder, is set to the inside of furnace body, and is mounted on one or four core electrode flanges connecting with the second fast joint；Heating element is set on specimen holder；Temperature-measuring part is set on specimen holder；Add magnet assembly, is set to the periphery of furnace body and specimen holder；Controller, for providing heating power for heating element and to add magnet assembly to provide exciting current.Direct, the thermally conductive good, heating of present invention heating is rapidly；The heating power that heater is adjusted according to the real time temperature of annealing specimen, effectively improves the temperature stability of annealing specimen；It can according to need and carry out independent annealing, magnetic-field annealing, vacuum annealing and ambient anneal, multi-use；Compact, simple for structure, annealing specimen replacement is convenient.
Description
Technical field
The present invention relates to anneal of material technical field more particularly to a kind of small-sized quick magnetic field annealing furnaces.
Background technique
The purpose of annealing is to make material by casting, forging rolling, welding or machining or workpiece softening, improve plasticity and
Toughness homogenizes chemical component, removes residual stress, or obtain expected physical property.Annealing process with purpose difference
There are many and, such as full annealed, isothermal annealing, homogenizing annealing, spheroidizing, stress annealing, recrystallization annealing are removed, with
And stabilizing annealing, magnetic-field annealing etc..
Magnetic-field annealing is called magnetic-field heat treatment, i.e., existing for the magnetic field under the conditions of material is heat-treated, then cool down
To a kind of processing mode of room temperature.It anneals under magnetic field, can promote its crystallization, can effectively change each in material crystallization process
The formation of kind defect state and ordered phase, while magnetic field condition provides a new driving energy for materials synthesis, thus it is possible to vary it is anti-
The electron spin and nuclear spin of object are answered, ion diffusion is promoted, increases reactant activation, improves reaction selectivity, to induce new
Physicochemical change, prepare and be difficult to the new material obtained and new material properties with usual method.In addition crystal is grown up again
Preferable grain orientation can also be made by applying magnetic field in the process.Therefore, it is important to have become international material scientific domain for magnetic-field annealing
One of research topic.
General core magnetic field annealing furnace heating is slow and bulky, involve great expense, is complicated for operation, energy loss is big, function
Single, when handling some small-sized test specimens, use cost is very high, and can not achieve the short annealing function of material.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of small-sized quick magnetic field annealing furnace, specifically includes:
Furnace body, the furnace body are in the tubulose of both ends open, and one end of the furnace body is sealed using one first fast joint, described
The other end of furnace body is sealed using one second fast joint, for the workspace as annealing；
Specimen holder, is set to the inside of the furnace body, and is mounted on one or four core electrodes connecting with second fast joint
On flange, for placing annealing specimen；
Heating element is set on the specimen holder, for providing required temperature by resistance heating for the annealing specimen
Degree；
Temperature-measuring part is set on the specimen holder, for detecting real time temperature and the output of the annealing specimen；
Add magnet assembly, be set to the periphery of the furnace body and the specimen holder, needed for being provided for the annealing specimen
Magnetic field；
Controller is separately connected the heating element and the temperature-measuring part, for providing heating for the heating element
Power and the real time temperature is recorded, and corresponding control instruction is generated to adjust the heating function according to the real time temperature
Rate；
The controller is also connected with described plus magnet assembly, for providing corresponding exciting current for described plus magnet assembly to adjust
Magnetic field strength caused by whole described plus magnet assembly.
Preferably, the furnace body is quartz glass tube.
Preferably, the heating element includes monocrystalline silicon piece and/or molybdenum sheet and/or leaf and/or graphite flake.
Preferably, the annealing specimen is pasted on the heating element by elargol or the annealing specimen passes through
Pressing plate is tightly attached on the heating element.
Preferably, the temperature-measuring part is K-type thermocouple, and the temperature measuring point and the annealing specimen of the K-type thermocouple are tight
Contiguity touching.
Preferably, the tail portion of the first fast joint of Yu Suoshu connects a vacuum pump assembly, true for take out to the furnace body
Vacancy reason, to form vacuum annealing furnace.
Preferably, a tracheae is arranged in the end of a flange group section of the second fast joint of Yu Suoshu connection, is used for described
Furnace body passes to working gas, to form ambient anneal furnace.
Preferably, the controller does not provide the exciting current for described plus magnet assembly, to be formed without core magnetic field annealing furnace.
Above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
1) resistance heating is used, and annealing specimen is close on the heaters, heat direct, thermally conductive good, heating rapidly；
2) heating power that heater is adjusted according to the real time temperature of the annealing specimen of measurement, effectively improves annealing specimen
Temperature stability；
3) it can according to need and carry out independent annealing, magnetic-field annealing vacuum annealing and ambient anneal, multi-use；
4) compact, simple for structure, annealing specimen replacement is convenient, is very suitable to the magnetic-field annealing of small sample, especially suitable
It is used together in research and development laboratory, can be used for improving the performance of magnetic membrane material, it is easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of small-sized quick magnetic field annealing furnace in preferred embodiment of the invention；
Fig. 2 is the overlooking structure diagram of sample stage in preferred embodiment of the invention；
Fig. 3 is the side structure schematic view of sample stage in preferred embodiment of the invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present invention is not limited to the embodiment party
Formula, as long as meeting purport of the invention, other embodiments also may belong to scope of the invention.
In preferred embodiment of the invention, it is based on the above-mentioned problems in the prior art, is now provided a kind of small-sized fast
Fast core magnetic field annealing furnace, as shown in Figure 1, specifically including:
Furnace body 1, furnace body 1 are in the tubulose of both ends open, and one end of furnace body 1 is sealed using one first fast joint 11, furnace body
The other end is sealed using one second fast joint 12, for the workspace as annealing；
Specimen holder 2, is set to the inside of furnace body 1, and is mounted on one or four core electrode flanges 3 connecting with the second fast joint 12
On, for placing annealing specimen 21；
Heating element 3 is set on specimen holder 2, for being that annealing specimen 21 provides required temperature by resistance heating；
Temperature-measuring part 4 is set on specimen holder 2, for detecting real time temperature and the output of annealing specimen 21；
Add magnet assembly 5, the periphery 3 for being set to furnace body 1 and specimen holder 2 is used to provide required magnetic field for annealing specimen 21；
Controller 6 is separately connected heating element 3 and temperature-measuring part 4, for for heating element 3 provide heating power and
Real time temperature is recorded, and corresponding control instruction is generated to adjust heating power according to real time temperature；
Controller 6 is also connected with plus magnet assembly 5, for for plus magnet assembly 5 provide corresponding exciting current to adjust and add magnetic portion
Magnetic field strength caused by part 5.
Specifically, in the present embodiment, when above-mentioned small-sized quick magnetic field annealing furnace works, first annealing specimen 21 is fixed on and is added
On thermal part 3, guarantee that annealing specimen 21 is close to heating element 3, subsequent controller is that magnet assembly 5 is added to mention according to required magnetic field set
The exciting current of confession, and heating power is provided to heating element 3 with heating anneal sample 21.Temperature-measuring part 4 detects annealing specimen
Real time temperature and will test result and feed back to controller 6, controller 6 adjusts the heating of heating element 3 according to the testing result
Power, so that the temperature of annealing specimen 21 be made to stablize in desired numerical intervals.
Further, above controller 6 is also used to record above-mentioned exciting current, and is obtained according to the exciting current of record
Add magnetic field strength caused by magnet assembly 5, and generates real time temperature and the relation curve of time, magnetic field strength and the pass of time
It is curve, and exports display.
In the present embodiment, select electromagnet as plus magnet assembly 5, the pole shoe gap of electromagnet can produce maximum 2 it is special this
The magnetic field of drawing, it is simple for structure since the size of small-sized quick magnetic field annealing furnace of the invention is small and exquisite, it can be by the small-sized quick magnetic
Field annealing furnace, which is put into pole shoe gap, can carry out magnetic-field annealing, and be moved back by rotating the small-sized quick magnetic field annealing furnace to change
The angle of fiery sample 21 plane and magnetic field, to meet different annealing conditions.
In the present embodiment, specimen holder 2 is mounted on four core electrode flanges 3 by a screw rod 7, and screw rod 7 is both used as specimen holder 5
Support rod, and the lead of the resistance heating as heating element 3 connect with the wherein both threads column on four core electrode flanges 3.
As shown in Figures 2 and 3, specimen holder 2 includes a bracket 22, and a ceramic wafer 23 is arranged above bracket 22, and heating element 3 is located at pottery
On porcelain plate 23, and it is with an electrode pressing plate 24 that heating element 3 and ceramic wafer 23 is fixed on the tray 22 by screw.Wherein, it moves back
Fiery sample 21 is pasted on heating element 3 with elargol, and heating element 3 directly heats annealing specimen 21, and thermal conductivity is good, compared with
To be preferred, annealing specimen 21 can be heated to about 800 DEG C rapidly.In addition to this, temperature-measuring part 4 is fixed on specimen holder 2,
The temperature measuring point of temperature-measuring part 4 is contacted with annealing specimen 21, and other two on the lead of temperature-measuring part 4 and four core electrode flanges 3
Binding post connection, therefore only need to remove original sample when replacement annealing specimen 21 and loosen temperature-measuring part 4, other component does not have to
Disassembly, it is easy to operate.Further, controller 6 more preferably can by the testing result of the feedback of temperature-measuring part 4
So that sample temperature is stablized at 800 DEG C ± 3 DEG C.
In preferred embodiment of the invention, furnace body 1 is quartz glass tube.
Specifically, in the present embodiment, between furnace body 1 and the first fast joint 11 and between furnace body 1 and the second fast joint 12
It is provided with cushion 8, for protecting quartz glass tube.
In preferred embodiment of the invention, heating element 3 includes monocrystalline silicon piece and/or molybdenum sheet and/or leaf, and/
Or graphite flake.
Specifically, in the present embodiment, heating element 3 is using monocrystalline silicon piece and/or molybdenum sheet and/or leaf and/or graphite
The temperature of annealing specimen 21 quickly can be heated to 800 DEG C or more, realize being rapidly heated for annealing specimen 21 by piece.
In preferred embodiment of the invention, annealing specimen is pasted on heating element 3 by elargol or annealing specimen
It is tightly attached on heating element 3 by pressing plate.
In preferred embodiment of the invention, temperature-measuring part 4 is K-type thermocouple, the temperature measuring point and annealing sample of K-type thermocouple
Product 21 are in close contact.
In preferred embodiment of the invention, a vacuum pump assembly is connected in the tail portion of the first fast joint 11, for furnace
Body 1 carries out vacuumize process, to form vacuum annealing furnace.
Specifically, in the present embodiment, the first fast joint 11 is blank flange, blind in this after can removing the blank flange
The installation site of plate flange connects a vacuum pump assembly and carries out vacuumize process to furnace body 1, the room temperature ultimate vacuum energy in furnace body 1
Reach 2E-5Pa.
In preferred embodiment of the invention, in the end setting one of a flange group section 13 of the second fast joint 12 connection
Tracheae 14, for passing to working gas to furnace body 1, to form ambient anneal furnace.
In the present embodiment, above-mentioned tracheae 14 is fixed by a pair of ferrule fitting 15.
In preferred embodiment of the invention, controller 6 is not to add magnet assembly 5 to provide exciting current, to be formed without magnetic field
Annealing furnace.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that and all be equal with made by this specification and diagramatic content
It replaces and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (8)
1. a kind of small-sized quick magnetic field annealing furnace, which is characterized in that specifically include:
Furnace body, the furnace body are in the tubulose of both ends open, and one end of the furnace body is sealed using one first fast joint, the furnace body
The other end using one second fast joint seal, for the workspace as annealing；
Specimen holder, is set to the inside of the furnace body, and is mounted on one or four core electrode flanges connecting with second fast joint
On, for placing annealing specimen；
Heating element is set on the specimen holder, for providing required temperature by resistance heating for the annealing specimen；
Temperature-measuring part is set on the specimen holder, for detecting real time temperature and the output of the annealing specimen；
Add magnet assembly, be set to the periphery of the furnace body and the specimen holder, for providing required magnetic field for the annealing specimen；
Controller is separately connected the heating element and the temperature-measuring part, for providing heating power for the heating element
And the real time temperature is recorded, and corresponding control instruction is generated to adjust the heating power according to the real time temperature；
The controller is also connected with described plus magnet assembly, for providing corresponding exciting current for described plus magnet assembly to adjust
It states and adds magnetic field strength caused by magnet assembly.
2. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the furnace body is quartz glass tube.
3. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the heating element includes monocrystalline silicon
Piece and/or molybdenum sheet and/or leaf and/or graphite flake.
4. small-sized quick magnetic field annealing furnace according to claim 3, which is characterized in that the annealing specimen is viscous by elargol
It is attached on the heating element or the annealing specimen is tightly attached on the heating element by pressing plate.
5. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the temperature-measuring part is K-type thermoelectricity
Even, the temperature measuring point and the annealing specimen of the K-type thermocouple are in close contact.
6. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the tail portion of the first fast joint of Yu Suoshu
A vacuum pump assembly is connected, for carrying out vacuumize process to the furnace body, to form vacuum annealing furnace.
7. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the connection of the second fast joint of Yu Suoshu
A tracheae is arranged in the end of one flange group section, for passing to working gas to the furnace body, to form ambient anneal furnace.
8. small-sized quick magnetic field annealing furnace according to claim 1, which is characterized in that the controller is not described plus magnetic
Component provides the exciting current, to be formed without core magnetic field annealing furnace.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910267317.4A CN109880976A (en) | 2019-04-03 | 2019-04-03 | A kind of small-sized quick magnetic field annealing furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910267317.4A CN109880976A (en) | 2019-04-03 | 2019-04-03 | A kind of small-sized quick magnetic field annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501412A (en) * | 2020-12-01 | 2021-03-16 | 北京环磁伟业科技有限公司 | Controllable adjustable transverse magnetic furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498129A (en) * | 2016-09-26 | 2017-03-15 | 中国电子科技集团公司第四十八研究所 | A kind of ELECTROMAGNETIC VACUUM annealing furnace |
| CN106521100A (en) * | 2016-12-06 | 2017-03-22 | 内蒙古科技大学 | Magnetic field annealing furnace experimental apparatus |
| CN207862401U (en) * | 2018-01-25 | 2018-09-14 | 浙江晶芯磁业有限公司 | Amorphous transverse and longitudinal magnetic field one annealing furnace |
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2019
- 2019-04-03 CN CN201910267317.4A patent/CN109880976A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498129A (en) * | 2016-09-26 | 2017-03-15 | 中国电子科技集团公司第四十八研究所 | A kind of ELECTROMAGNETIC VACUUM annealing furnace |
| CN106521100A (en) * | 2016-12-06 | 2017-03-22 | 内蒙古科技大学 | Magnetic field annealing furnace experimental apparatus |
| CN207862401U (en) * | 2018-01-25 | 2018-09-14 | 浙江晶芯磁业有限公司 | Amorphous transverse and longitudinal magnetic field one annealing furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501412A (en) * | 2020-12-01 | 2021-03-16 | 北京环磁伟业科技有限公司 | Controllable adjustable transverse magnetic furnace |
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Application publication date: 20190614 |