CN105964989A - Semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories - Google Patents
Semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories Download PDFInfo
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- CN105964989A CN105964989A CN201610323950.7A CN201610323950A CN105964989A CN 105964989 A CN105964989 A CN 105964989A CN 201610323950 A CN201610323950 A CN 201610323950A CN 105964989 A CN105964989 A CN 105964989A
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- alternating current
- phase alternating
- electromagnetic stirring
- insulation
- silicon alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/02—Use of electric or magnetic effects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Silicon Compounds (AREA)
Abstract
The invention belongs to the technical field of semi-solid aluminum-silicon alloy processing, and discloses a semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories. Non-contact electromagnetic stirring is carried out on aluminum-silicon alloy in a solid-liquid biphase area in an electromagnetic stirring mode. The device comprises a three-phase alternating current induction electromagnetic stirring coil, heat preservation and insulation layers, a stainless steel crucible and a frequency converter. A cavity structure is defined by the three-phase alternating current induction electromagnetic stirring coil. One heat preservation and insulation layer is further arranged on the inner side of the cavity structure of the three-phase alternating current induction electromagnetic stirring coil, and the stainless steel crucible is surrounded by the heat preservation and insulation layer. The other heat preservation and insulation layer is arranged on an upper cover of the stainless steel crucible. The three-phase alternating current induction electromagnetic stirring coil is connected with a power source through the frequency converter. The device is small in size and occupied space, does not communicate with circulating water, and is simple, easy to assemble and disassemble, low in cost, capable of being assembled and disassembled freely in the experiment environment, and capable of preparing spherical primary alpha-Al semi-solid aluminum-silicon alloy slurry.
Description
Technical field
The invention belongs to semisolid Al-Si alloy processing technique field, be specifically related to a kind of laboratory that is applicable to
Semisolid Al-Si alloy slurry preparation device.
Background technology
Literature Consult result shows, in alusil alloy microstructure of semisolid, primary α-Al crystal grain is tiny and glomeration,
It is uniformly distributed in metallographic structure, is conducive to promoting alloy comprehensive mechanical property.Current preparation method is predominantly organic
Tool paddling process, electromagnetic stirring method, ultrasonic activation method, near liquidus casting method etc..Electromagnetic stirring method is not because of
Directly contact with alloy melt, thus this preparation method does not pollute alloy, and the advantage quilt such as parameter is easily controllable
Extensively application.But currently preparation semisolid Al-Si alloy electromagnetic mixing apparatus is bulky, take up room big,
Logical recirculated water, device complexity is not easy to build dismounting, and cost is high, about hundreds of thousands unit, thus causes discomfort
For laboratory environment, constrain the research and development to semisolid Al-Si alloy.
Summary of the invention
It is an object of the invention to make semisolid Al-Si alloy electromagnetic mixing apparatus, described device is easily built, easily
Dismounting, and low cost, be particularly suited for laboratory, it is adaptable to prepare spherical primary α-Al under laboratory environment
Semisolid Al-Si alloy slurry.
Technical solution of the present invention is as described below:
A kind of preparation facilities of the semisolid Al-Si alloy electromagnetic agitation being applicable to laboratory, it is characterised in that
Including three-phase alternating current inductive electromagnetic coil, insulation insulating barrier, converter, stainless steel crucible, three intersect
Influenza answers solenoid to surround a cavity structure, in the inner side of three-phase alternating current inductive electromagnetic coil cavity structure also
Being provided with one layer of heat preservation heat-insulating layer, stainless steel crucible insulation heat-insulating layer surrounds；Stainless steel crucible
Upper cover also is provided with insulation insulating barrier；Three-phase alternating current inductive electromagnetic coil is connected with power supply by converter.
Three-phase alternating current inductive electromagnetic coil cavity structural base is provided with the insulation insulator foot of insulating brick etc for propping up
Support crucible.
Three-phase alternating current inductive electromagnetic coil uses the three-phase alternating current coil of 380V；Insulation insulating barrier is thick
Degree is the sintering ceramic fibre material of 3mm.
The method have the advantages that
Semisolid Al-Si alloy slurry preparation device volume of the present invention is little, takes up room little, obstructed recirculated water,
Device is simply prone to build dismounting, low cost, it is adaptable to laboratory environment, can arbitrarily build dismounting, favorably
Develop in improving the preparation research to semisolid Al-Si alloy slurry.
Accompanying drawing explanation
Fig. 1: semisolid Al-Si alloy slurry electromagnetic agitation preparation facilities schematic diagram.
Fig. 2: semisolid Al-Si alloy slurry electromagnetic agitation preparation facilities stainless steel crucible schematic diagram.
1 power supply, 2 converters, 3 three-phase alternating current inductive electromagnetic coils, 4 insulation insulating barriers, 5 stainless
Steel crucible, 6, insulation insulator foot.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, but the present invention is not limited to following example.
Embodiment 1
As it is shown in figure 1, use for laboratory semisolid Al-Si alloy slurry electromagnetic agitation preparation facilities of the present invention.With
Power supply be connected for converter, be frequency converted after plant-grid connection converter, magnetic stirrer is connected in output
The electromagnetic agitation main part of device, electromagnetic agitation body portion outer layer is enclosed with anti-creeping solenoid,
Internal layer is insulation insulant, and innermost layer is stirring crucible, is stand below whole stirring main part
Support.
As it is shown in figure 1, electromagnetic agitation main part: solenoid is 380V three-phase alternating current, power
2.2KV, electric current 5A, cavity inside diameter is 100mm, external diameter 180mm.Built-in thickness is the guarantor of 3mm
Temperature partiting thermal insulation sintering ceramic fibre material, glass fiber reinforcement, must sinter before using.Built-in stirring earthenware
Crucible is as in figure 2 it is shown, external diameter 74mm, internal diameter 70mm, and selection is 304 rustless steels.Bottom stand is resistance to
Firebrick builds.
As it is shown in figure 1, need to be connected converter, converter model between power supply with electromagnetic mixing apparatus main body
For the 380V three-phase alternating current converter of 3KW, regulation rotary knob regulates electromagnetic agitation frequency clockwise,
Screen F is display institute regulating frequency.
In the alusil alloy semi-solid slurry preparation device of the present invention, described electromagnetic stirrer coil is
The three-phase alternating current coil of 380V, power 2.2KW, electric current 5A.
In the alusil alloy semi-solid slurry preparation device of the present invention, described insulation insulating barrier, choosing
Higher heat insulating effect, insulation and not armoured magnetic field must be had with material.
Embodiment result shows, device is prone to build, it is not necessary to directly contact alloy melt, alusil alloy solid-liquid
Two-phase section stirs, and melt is pure without slag inclusion, does not brings gas into, it is thus achieved that primary α-Al in ingot casting metallographic structure
In spherical, dendrite is broken.
Claims (4)
1. being applicable to a preparation facilities for the semisolid Al-Si alloy electromagnetic agitation of laboratory, its feature exists
In, including three-phase alternating current inductive electromagnetic coil, insulation insulating barrier, converter, rustless steel earthenware
Crucible, three-phase alternating current inductive electromagnetic coil surrounds a cavity structure, at three-phase alternating current inductive electromagnetic coil
The inner side of cavity structure is additionally provided with one layer of heat preservation heat-insulating layer, and stainless steel crucible insulation is heat insulation absolutely
Edge layer is surrounded；The upper cover of stainless steel crucible also is provided with insulation insulating barrier；Three-phase alternating current faradism
Magnetic coil is connected with power supply by converter；Three-phase alternating current inductive electromagnetic coil cavity structural base sets
There is insulation insulator foot for support crucible.
2. according to a kind of semisolid Al-Si alloy electromagnetic agitation being applicable to laboratory described in claim 1
Preparation facilities, it is characterised in that insulation insulator foot is insulating brick.
3. according to a kind of semisolid Al-Si alloy electromagnetic agitation being applicable to laboratory described in claim 1
Preparation facilities, it is characterised in that three-phase alternating current inductive electromagnetic coil uses the three-phase alternating current of 380V
Coil.
4. according to a kind of semisolid Al-Si alloy electromagnetic agitation being applicable to laboratory described in claim 1
Preparation facilities, it is characterised in that insulation insulating barrier be thickness be that the sintering pottery of 3mm is fine
Dimension material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323950.7A CN105964989A (en) | 2016-05-16 | 2016-05-16 | Semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323950.7A CN105964989A (en) | 2016-05-16 | 2016-05-16 | Semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories |
Publications (1)
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| CN105964989A true CN105964989A (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610323950.7A Pending CN105964989A (en) | 2016-05-16 | 2016-05-16 | Semi-solid aluminum-silicon alloy electromagnetic stirring preparation device suitable for laboratories |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069270A1 (en) * | 1981-07-02 | 1983-01-12 | Alumax Inc. | Process and apparatus having improved efficiency for producing a semi-solid slurry |
| JPS5853369A (en) * | 1981-09-24 | 1983-03-29 | Mitsubishi Heavy Ind Ltd | Production of casting |
| CN1039496A (en) * | 1988-07-15 | 1990-02-07 | 中国科学院成都有机化学研究所 | Copoly type macromolecale rapid ionic conductive materials and preparation method thereof |
| CN1480275A (en) * | 2003-08-08 | 2004-03-10 | 北京交通大学 | Method and equipment for preparing semisolid fused mass of ferrous material |
| CN1778496A (en) * | 2004-11-26 | 2006-05-31 | 中国科学院金属研究所 | Production and special apparatus for low-voltage pulse electric field of non tree-like-crystal and semi-solid alloy |
| CN1821430A (en) * | 2006-01-24 | 2006-08-23 | 东北大学 | High temperature treating device under strong magnetic field |
-
2016
- 2016-05-16 CN CN201610323950.7A patent/CN105964989A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069270A1 (en) * | 1981-07-02 | 1983-01-12 | Alumax Inc. | Process and apparatus having improved efficiency for producing a semi-solid slurry |
| JPS5853369A (en) * | 1981-09-24 | 1983-03-29 | Mitsubishi Heavy Ind Ltd | Production of casting |
| CN1039496A (en) * | 1988-07-15 | 1990-02-07 | 中国科学院成都有机化学研究所 | Copoly type macromolecale rapid ionic conductive materials and preparation method thereof |
| CN1480275A (en) * | 2003-08-08 | 2004-03-10 | 北京交通大学 | Method and equipment for preparing semisolid fused mass of ferrous material |
| CN1778496A (en) * | 2004-11-26 | 2006-05-31 | 中国科学院金属研究所 | Production and special apparatus for low-voltage pulse electric field of non tree-like-crystal and semi-solid alloy |
| CN1821430A (en) * | 2006-01-24 | 2006-08-23 | 东北大学 | High temperature treating device under strong magnetic field |
Non-Patent Citations (5)
| Title |
|---|
| 周岐等: "等温_双向电磁搅拌对A356合金结晶的影响", 《热加工工艺》 * |
| 孔军: "电磁搅拌对铝合金凝固组织影响的工艺与理论研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 张晨阳等: "电磁搅拌法制备的半固态2A50合金的显微组织演变", 《中国有色金属学报》 * |
| 张海英等: "工艺参数对半固态铝合金熔体固相率和形状因子的影响", 《特种铸造及有色金属》 * |
| 郭钧等: "半固态铝合金的制备工艺研究", 《稀有金属》 * |
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Application publication date: 20160928 |
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