CN104439203A - Magnetism-heat composite control complex precision or thin wall casting fine grain casting method and device - Google Patents
Magnetism-heat composite control complex precision or thin wall casting fine grain casting method and device Download PDFInfo
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- CN104439203A CN104439203A CN201410713316.5A CN201410713316A CN104439203A CN 104439203 A CN104439203 A CN 104439203A CN 201410713316 A CN201410713316 A CN 201410713316A CN 104439203 A CN104439203 A CN 104439203A
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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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- 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
- B22D27/08—Shaking, vibrating, or turning of moulds
Abstract
The invention relates to a magnetism-heat composite control complex precision or thin wall casting fine grain casting method and device and belongs to the technical field of metal material preparing. According to the method, on the basis that the high superheat degree is used for guaranteeing mould filling, the applying time of a pulsed magnetic field is controlled, when a crystal nucleus at a mould wall grows to 1-10 microns, the crystal nucleus at the mould wall is scoured down and taken into a melt body through electromagnetic oscillation and forced convection generated at the metal melt body by the applied pulsed magnetic field, at the time, the size of the falling crystal nucleus is large, the crystal nucleus can easily survive and become an effective nucleation nucleus, the nucleation rate is improved, and accordingly a casting solidification structure is refined. The device comprises a pulsed magnetic field generating device, a pulsed magnetic field effect device and a temperature control system. The method and device can be used for fine grain casting of metal material complex precision castings such as high temperature alloy and high alloy steel and large thin wall complex castings, and the metal solidification structure can be refined.
Description
Technical field
The present invention relates to a kind of magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting and device, belong to technical field of metal material preparation.
Background technology
The solidified structure of metal material controls to be the key realizing metal material tissue refinement and homogenize, and is regarded as the important means improving its mechanical property and processing characteristics, is one of the target of metal material preparation process pursuit and the important topic of research always.In the method for numerous control solidi fication process, Electromagnetic Control is solidified and is received much attention.By changing the parameter such as type, mode, intensity, time of electromagnetic field effect, then in conjunction with the cooling procedure of control solidi fication, implement to control to process of setting.Electromagnetic Control solidify at present application maximum be alternation Electromagnetic Continuous field, in the continuous casting of steel, obtain extensive use.Continuous magnetic field mainly produces function composite by electromagnetic stirring, although can crystal grain thinning, has the problem causing component segregation.
In recent years, pulse electromagnetic field control solidi fication causes the attention of people.Pulsed magnetic field can produce electromagnetic viscosimeter in the melt, plays strong Grain Refinement Effect, has certain electromagnetism convection action simultaneously and thin crystalline substance is uniformly distributed, and demonstrates unique advantage.Abroad, as the pulse current grain refinement research that the U.S. mainly carries out, melt pulse current is introduced, so its application is subject to a definite limitation due to electrode will be relied on.The states such as Japan and Ukraine are are researching and developing the application technology of pulsed magnetic field in steel continuous casting, find that pulsed magnetic field can alleviate the center segregation of continuous casting billet and improve surface quality.At present, more domestic units such as Baosteel and Shanghai University are also carrying out the research of pulsed magnetic field thinning metal solidification texture, and are devoted to the application that promotes industrially.But what research was more both at home and abroad is utilize high-voltage pulse magnetic field, because its voltage is higher, apply tool in the industry and acquire a certain degree of difficulty.
For the application difficult point of pulsed magnetic field in process of setting, Metal Inst., Chinese Academy of Sciences at home and abroad takes the lead in proposing to adopt low-voltage pulse magnetic field control solidi fication process, carry out the research of low-voltage pulse magnetic field control solidi fication in the beginning of this century, be applied to respectively in the material such as iron and steel, nickel base superalloy and all obtain refinement and uniformization effect.But the degree of superheat in above-mentioned application all lower (lower than 100 DEG C), higher than this degree of superheat, thinning effect weakens or disappears.And the low degree of superheat, what can not meet some complex precise foundry goods or thin-section casting (thinnest part 1 ~ 5mm) fills type requirement, as: the degree of superheat of certain aero-engine casing is 200 DEG C, limits this technology in this type of complex precise foundry goods or the thin brilliant application of casting of thin-section casting.
Summary of the invention
In order to meet the requirement of complex precise foundry goods or thin-section casting grain refinement, the object of this invention is to provide a kind of magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting and device, the high degree of superheat is adopted to ensure to fill on the basis of type, the application time in control impuls magnetic field, refinement Solidification Microstructure of Castings, especially the tissue of the thick large part of refinement foundry goods, obtains overall thinning solidification structure, solves complex precise foundry goods or the difficult refinement problem of thin-section casting under the high degree of superheat.
In order to achieve the above object, mentality of designing of the present invention is: adopt the high degree of superheat to ensure to fill on the basis of type, the application time in control impuls magnetic field, when die wall place nucleus growth to certain size (stock size reaches 1 ~ 10 μm) when, the pulsed magnetic field applied is utilized to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus that die wall place has certain size is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increase forming core number, refinement Solidification Microstructure of Castings.
Technical scheme of the present invention is as follows:
A kind of magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting, adopt the high degree of superheat to ensure to fill on the basis of type, the degree of superheat controls at 100 ~ 250 DEG C; Control impuls magnetic field application time, application time controls 10 ~ 500s after being cast; When die wall place nucleus growth is 1 ~ 10 μm to certain size, the pulsed magnetic field applied is utilized to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus at described die wall place is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increases nucleation rate, thus refinement Solidification Microstructure of Castings.
Described magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting, adopt pulsed magnetic field generating means, pulsed magnetic field is produced in pulsed magnetic field action device, its excitation voltage controls at 100 ~ 500V, excitation frequency controls within the scope of 2.5 ~ 20Hz, and action time is 10 ~ 60 minutes.
Described magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting, specifically carry out according to the following steps:
A (), according to the feature of foundry goods, design loop pulse magnetic fields device or one-sided pulsed magnetic field action device, be then arranged on surrounding or the bottom of preheating insulation sandbox or mould, and be connected with pulsed magnetic field generating means;
(b) by the melt cast of the degree of superheat 100 ~ 250 DEG C in preheating insulation sandbox or mould, according to cast product surface layer temperature, control impuls magnetic field application time, after temperature reaches Mushy Zone, unbalanced pulse magnetic field control device, the excitation voltage in control impuls magnetic field and frequency, pulse voltage controls at 100 ~ 500V, pulsed magnetic field FREQUENCY CONTROL is within the scope of 2.5 ~ 20Hz, and action time is 10 ~ 60 minutes;
C () utilizes the pulsed magnetic field applied to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus that described die wall place has certain size is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increase forming core number, thus refinement Solidification Microstructure of Castings;
D (), after ingot casting solidifies completely, closes pulsed magnetic field control device, take out ingot casting.
The magnetic hot complex controll complex precise that described method is special or the thin brilliant casting device of thin-section casting, this device is used in complex precise foundry goods or the thin brilliant casting technique of thin-section casting, comprise pulsed magnetic field generating means, pulsed magnetic field action device and temperature control system, the output of pulsed magnetic field generating means is connected with loop pulse magnetic fields device and one-sided pulsed magnetic field action device respectively, the input of temperature control system connects the foundry goods in insulation sandbox or mould, inside loop pulse magnetic fields device, and between insulation sandbox or mould side, water jacket is set, one-sided pulsed magnetic field action device top, and between insulation sandbox or mold bottom, water jacket is set.
Described magnetic hot complex controll complex precise or the thin brilliant casting device of thin-section casting, pulsed magnetic field generating means regulating impulse magnetic field excitation voltage and frequency; Temperature control system monitoring cast product surface layer temperature, opens applying for pulsed magnetic field and provides information.
Described magnetic hot complex controll complex precise or the thin brilliant casting device of thin-section casting, pulsed magnetic field action device is divided into loop pulse magnetic fields device and one-sided pulsed magnetic field action device, loop pulse magnetic fields device is used for the foundry goods of refinement symmetrical shape, one-sided pulsed magnetic field action device is used for the asymmetric foundry goods of refinement shape, adopts loop pulse magnetic fields device and the refinement of one-sided pulsed magnetic field action device for heavy castings simultaneously.
Described magnetic hot complex controll complex precise or thin-section casting thin brilliant casting device are stainless steel water jacket inside loop pulse magnetic fields device, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Water jacket is magnet exciting coil outward, and for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 50 ~ 250mm of magnet exciting coil, total number of turns is 100 ~ 300.
Described magnetic hot complex controll complex precise or the thin brilliant casting device of thin-section casting, one-sided pulsed magnetic field action device top is stainless steel water jacket, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Be magnet exciting coil under water jacket, for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 20 ~ 50mm of magnet exciting coil, total number of turns is 100 ~ 700.
Compared with prior art, advantage of the present invention and beneficial effect as follows:
1, a kind of magnetic provided by the invention hot complex controll complex precise foundry goods or the thin brilliant casting method of thin-section casting and device, the high degree of superheat is adopted to ensure to fill on the basis of type, by application time and the mode of action in control impuls magnetic field, refinement Solidification Microstructure of Castings, especially the tissue of the thick large part of refinement foundry goods, obtain overall thinning solidification structure, solve complex precise foundry goods or the difficult refinement problem of thin-section casting under the high degree of superheat.
2, a kind of magnetic provided by the invention hot complex controll complex precise foundry goods or the thin brilliant casting method of thin-section casting and device, pulse voltage control range is 100 ~ 500V, pulsed magnetic field refrequency control range is 2.5 ~ 20Hz, compared with prior art, there is operating voltage low, the features such as Be very effective, industrially implement than being easier to.
3, pulsed magnetic field action device of the present invention can use loop pulse magnetic fields device or one-sided pulsed magnetic field action device flexibly according to the shape and size of foundry goods, and compound use, has widened the scope of application of this technology.
Accompanying drawing explanation
Fig. 1 is magnetic of the present invention hot complex controll complex precise foundry goods thin brilliant casting schematic diagram: wherein, 1, pulsed magnetic field generating means; 2, temperature control system; 3, loop pulse magnetic fields device; 4, one-sided pulsed magnetic field action device; 5, water jacket; 6, foundry goods; 7, sandbox or mould is incubated.
Fig. 2 is the stressed schematic diagram of melt in the thin brilliant casting process of magnetic of the present invention hot complex controll complex precise foundry goods: stressed under (a) loop pulse magnetic fields in melt, stressed under (b) one-sided pulsed magnetic field action in melt.
Fig. 3 is the contrast of microscopic structure after the present invention and conventional cast IN718 high temperature alloy Φ 100mm ingot solidification: (a) present invention process ingot structure, (b) conventional cast technique ingot structure.
Fig. 4 is the contrast that the present invention and conventional cast K4169 high temperature alloy large thin wall casting solidify rear microscopic structure: (a) large thin wall casting sampling point schematic diagram, the thick large part solidified structure of (b) present invention process foundry goods, the thick large part solidified structure of (c) conventional cast technique foundry goods.
Detailed description of the invention
In a specific embodiment, Electromagnetic heating of the present invention controls the thin brilliant casting method of electroslag remelting, specifically carries out according to the following steps:
A (), according to the feature of foundry goods, design loop pulse magnetic fields device or one-sided pulsed magnetic field action device, be then arranged on surrounding or the bottom of preheating insulation sandbox or mould, and be connected with pulsed magnetic field generating means;
(b) by the melt cast of certain degree of superheat 100 ~ 250 DEG C (preferably 180 ~ 220 DEG C) in preheating insulation sandbox or mould, according to cast product surface layer temperature, control impuls magnetic field application time, after temperature reaches Mushy Zone, unbalanced pulse magnetic field control device, the excitation voltage in control impuls magnetic field and frequency, pulse voltage controls at 100 ~ 500V, and pulsed magnetic field FREQUENCY CONTROL is within the scope of 2.5 ~ 20Hz;
C () utilizes the pulsed magnetic field applied to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus that die wall place has certain size is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increase forming core number, refinement Solidification Microstructure of Castings;
D (), after ingot casting solidifies completely, closes pulsed magnetic field control device, take out ingot casting;
As shown in Figure 1, in order to realize magnetic hot complex controll complex precise foundry goods or the thin brilliant casting of thin-section casting, present invention also offers a kind of magnetic hot complex controll complex precise foundry goods or the thin brilliant casting device of thin-section casting, for in complex precise foundry goods or the thin brilliant casting technique of thin-section casting, comprise pulsed magnetic field generating means 1, pulsed magnetic field action device (loop pulse magnetic fields device 3 and one-sided pulsed magnetic field action device 4) and temperature control system 2 etc., the output of pulsed magnetic field generating means 1 is connected with loop pulse magnetic fields device 3 and one-sided pulsed magnetic field action device 4 respectively, the input of temperature control system 2 connects the foundry goods 6 in insulation sandbox or mould 7, inside loop pulse magnetic fields device 3, and between insulation sandbox or mould 7 side, water jacket 5 is set, one-sided pulsed magnetic field action device 4 top, and between being incubated bottom sandbox or mould 7, water jacket 5 is set.
Wherein, pulsed magnetic field generating means 1 can regulating impulse magnetic field excitation voltage and frequency; Temperature control system 2 can monitor cast product surface layer temperature, provides information for pulsed magnetic field applies the moment; Pulsed magnetic field action device 1 can be divided into loop pulse magnetic fields device 3 and one-sided pulsed magnetic field action device 4, loop pulse magnetic fields device 3 is for the foundry goods 6 of refinement symmetrical shape, one-sided pulsed magnetic field action device 4, for the asymmetric foundry goods 6 of refinement shape, can adopt loop pulse magnetic fields device 3 and the refinement of one-sided pulsed magnetic field action device 4 for heavy castings simultaneously.
Loop pulse magnetic fields device characteristic is: be stainless steel water jacket inside device, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Water jacket is magnet exciting coil outward, and for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 50 ~ 250mm of magnet exciting coil, total number of turns is 100 ~ 300.As shown in Fig. 2 (a), its action principle is: loop pulse magnetic field produces magnetic pressure and the magnetic pull of mechanical periodicity in melt radial direction, cause electromagnetic viscosimeter and and forced convertion, die wall place nucleus is made to come off and be distributed in melt, become new forming core core, increase nucleation rate, refinement Solidification Microstructure of Castings.
One-sided pulsed magnetic field action device characteristic is: device top is stainless steel water jacket, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Be magnet exciting coil under water jacket, for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 20 ~ 50mm of magnet exciting coil, total number of turns is 100 ~ 700.As shown in Fig. 2 (b), its action principle is: one-sided pulsed magnetic field produces the electromagnetic force perpendicular to dendritic growth direction mechanical periodicity in the melt, dendrite is come off or fractures, and is distributed in melt, increase forming core number, thus refinement Solidification Microstructure of Castings.
For heavy castings, loop pulse magnetic field electromagnetic force size in the melt is radially successively decreased by Wai Dao center, therefore for foundry goods outside left good in refining effect, weakens for centre thinning effect.Now can compound use loop pulse magnetic fields device and one-sided pulsed magnetic field action device, utilize loop pulse magnetic field refinement foundry goods outside left solidified structure, utilize one-sided pulsed magnetic field action device refinement heart portion solidified structure.
Below in conjunction with embodiment, the present invention is described in further details.
Embodiment 1
IN718 nickel base superalloy is melted in vacuum induction melting furnace 1600 DEG C and refining 5 minutes, then the mould (being preheating to 950 DEG C) being placed in loop pulse magnetic fields device is poured into after being cooled to 1580 DEG C (degrees of superheat 220 DEG C), when bath surface temperature is down to 1350 DEG C, (after cast after 50s) unbalanced pulse magnetic field, makes alloy melt solidify under pulsed magnetic field action.During experiment, pulse field voltage is 250V, frequency 5Hz, and action time is 15 minutes.
Fig. 3 is the cross-sectional metallographic tissue contrast of the present invention and conventional cast IN718 high temperature alloy Φ 100mm ingot casting.Visible, adopt present invention process, Hou great ingot solidification organized whole obtains refinement, and whole cross section grain size distribution is even, and heart portion crystal grain is less than 2mm.
Embodiment 2
K4169 high temperature alloy is melted in induction melting furnace 1580 DEG C and refining 5 minutes, then the mould (being preheating to 1050 DEG C) being placed in one-sided pulsed magnetic field action device is poured into after being cooled to 1550 DEG C (degrees of superheat 190 DEG C), when bath surface temperature is down to 1350 DEG C, (after cast after 10s) unbalanced pulse magnetic field, makes alloy melt solidify under pulsed magnetic field action.During experiment, pulse field voltage is 300V, frequency 5Hz, and action time is 20 minutes.
Fig. 4 is the contrast that the present invention and conventional cast K4169 high temperature alloy large thin wall casting solidify rear alloy microscopic structure.Foundry goods external diameter is 330mm, thin-walled 2mm, thick large part 20mm.Visible, adopt present invention process, the thick large part grain refining effect of foundry goods is obvious, and crystallite dimension is less than 3mm.
Embodiment result shows, the method and apparatus that the present invention relates to can be used for the thin crystalline substance casting of the metal material such as high temperature alloy, high-alloy steel complex precise foundry goods and large thin-wall intricate casting, can refining alloy solidified structure.
Claims (8)
1. magnetic hot complex controll complex precise or the thin brilliant casting method of thin-section casting, is characterized in that, adopt the high degree of superheat to ensure to fill on the basis of type, the degree of superheat controls at 100 ~ 250 DEG C; Control impuls magnetic field application time, application time controls 10 ~ 500s after being cast; When die wall place nucleus growth is 1 ~ 10 μm to certain size, the pulsed magnetic field applied is utilized to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus at described die wall place is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increases nucleation rate, thus refinement Solidification Microstructure of Castings.
2. according to magnetic according to claim 1 hot complex controll complex precise or the thin brilliant casting method of thin-section casting, it is characterized in that: adopt pulsed magnetic field generating means, pulsed magnetic field is produced in pulsed magnetic field action device, its excitation voltage controls at 100 ~ 500V, excitation frequency controls within the scope of 2.5 ~ 20Hz, and action time is 10 ~ 60 minutes.
3., according to magnetic according to claim 1 hot complex controll complex precise or the thin brilliant casting method of thin-section casting, it is characterized in that, specifically carry out according to the following steps:
A (), according to the feature of foundry goods, design loop pulse magnetic fields device or one-sided pulsed magnetic field action device, be then arranged on surrounding or the bottom of preheating insulation sandbox or mould, and be connected with pulsed magnetic field generating means;
(b) by the melt cast of the degree of superheat 100 ~ 250 DEG C in preheating insulation sandbox or mould, according to cast product surface layer temperature, control impuls magnetic field application time, after temperature reaches Mushy Zone, unbalanced pulse magnetic field control device, the excitation voltage in control impuls magnetic field and frequency, pulse voltage controls at 100 ~ 500V, pulsed magnetic field FREQUENCY CONTROL is within the scope of 2.5 ~ 20Hz, and action time is 10 ~ 60 minutes;
C () utilizes the pulsed magnetic field applied to produce electromagnetic viscosimeter and forced convertion at metal bath, the nucleus that described die wall place has certain size is washed away, and be brought in melt and go, the crystalline core size that now comes off is larger, easy survival gets off to become effective forming core core, increase forming core number, thus refinement Solidification Microstructure of Castings;
D (), after ingot casting solidifies completely, closes pulsed magnetic field control device, take out ingot casting.
4. the magnetic hot complex controll complex precise of method described in a claim 1 or the thin brilliant casting device of thin-section casting, it is characterized in that, this device is used in complex precise foundry goods or the thin brilliant casting technique of thin-section casting, comprise pulsed magnetic field generating means, pulsed magnetic field action device and temperature control system, the output of pulsed magnetic field generating means is connected with loop pulse magnetic fields device and one-sided pulsed magnetic field action device respectively, the input of temperature control system connects the foundry goods in insulation sandbox or mould, inside loop pulse magnetic fields device, and between insulation sandbox or mould side, water jacket is set, one-sided pulsed magnetic field action device top, and between insulation sandbox or mold bottom, water jacket is set.
5., according to magnetic according to claim 4 hot complex controll complex precise or the thin brilliant casting device of thin-section casting, it is characterized in that, pulsed magnetic field generating means regulating impulse magnetic field excitation voltage and frequency; Temperature control system monitoring cast product surface layer temperature, opens applying for pulsed magnetic field and provides information.
6. according to magnetic according to claim 4 hot complex controll complex precise or the thin brilliant casting device of thin-section casting, it is characterized in that, pulsed magnetic field action device is divided into loop pulse magnetic fields device and one-sided pulsed magnetic field action device, loop pulse magnetic fields device is used for the foundry goods of refinement symmetrical shape, one-sided pulsed magnetic field action device is used for the asymmetric foundry goods of refinement shape, adopts loop pulse magnetic fields device and the refinement of one-sided pulsed magnetic field action device for heavy castings simultaneously.
7. according to the hot complex controll complex precise of the magnetic described in claim 4 or 6 or the thin brilliant casting device of thin-section casting, it is characterized in that, is stainless steel water jacket inside loop pulse magnetic fields device, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Water jacket is magnet exciting coil outward, and for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 50 ~ 250mm of magnet exciting coil, total number of turns is 100 ~ 300.
8. according to the hot complex controll complex precise of the magnetic described in claim 4 or 6 or the thin brilliant casting device of thin-section casting, it is characterized in that, one-sided pulsed magnetic field action device top is stainless steel water jacket, to eliminate the impact of foundry goods high temperature pulse magnetic field acting device; Be magnet exciting coil under water jacket, for generation of pulsed magnetic field, magnet exciting coil is the coiling of 3 × 8mm flat copper sand envelope curve by cross sectional dimensions, and its number of turn is calculated by inductance and flux and designs, and the high 20 ~ 50mm of magnet exciting coil, total number of turns is 100 ~ 700.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486551A (en) * | 2017-08-29 | 2017-12-19 | 中国兵器工业第五九研究所 | A kind of casting technique and solidified structure regulation and control method of aluminium alloy thin-walled nacelle casting |
| CN109482847A (en) * | 2018-12-27 | 2019-03-19 | 江苏奇纳新材料科技有限公司 | Magnetic-moves the molding machine and method of combined precision complexity fine grain casting |
| CN109482844A (en) * | 2019-01-02 | 2019-03-19 | 江苏大学 | Complex precise casting fine grain casting device and method |
| CN115608966A (en) * | 2022-10-11 | 2023-01-17 | 东北大学 | Vacuum smelting furnace and method for realizing electromagnetic oscillation stirring of precision casting with flat structure |
| US20230234126A1 (en) * | 2020-06-18 | 2023-07-27 | Voestalpine Additive Manufacturing Center Gmbh | Actuator for a casting mold for producing metal components |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368246A (en) * | 2007-08-17 | 2009-02-18 | 鞍钢股份有限公司 | Method for producing orientation silicon steel with medium-thin plate blank |
| CN101733380A (en) * | 2008-11-05 | 2010-06-16 | 中国科学院金属研究所 | Preparation method of fine crystalline metal material under action of low-voltage pulse magnetic field |
| CN102179505A (en) * | 2011-04-15 | 2011-09-14 | 江苏大学 | Method for refining metal solidification structure by using pulsed magnet field and pulse current with same frequency |
| CN102310174A (en) * | 2011-09-07 | 2012-01-11 | 中国科学院金属研究所 | Method and device for improving metal solidification defects and refining solidification textures |
-
2014
- 2014-11-29 CN CN201410713316.5A patent/CN104439203B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368246A (en) * | 2007-08-17 | 2009-02-18 | 鞍钢股份有限公司 | Method for producing orientation silicon steel with medium-thin plate blank |
| CN101733380A (en) * | 2008-11-05 | 2010-06-16 | 中国科学院金属研究所 | Preparation method of fine crystalline metal material under action of low-voltage pulse magnetic field |
| CN102179505A (en) * | 2011-04-15 | 2011-09-14 | 江苏大学 | Method for refining metal solidification structure by using pulsed magnet field and pulse current with same frequency |
| CN102310174A (en) * | 2011-09-07 | 2012-01-11 | 中国科学院金属研究所 | Method and device for improving metal solidification defects and refining solidification textures |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486551A (en) * | 2017-08-29 | 2017-12-19 | 中国兵器工业第五九研究所 | A kind of casting technique and solidified structure regulation and control method of aluminium alloy thin-walled nacelle casting |
| CN109482847A (en) * | 2018-12-27 | 2019-03-19 | 江苏奇纳新材料科技有限公司 | Magnetic-moves the molding machine and method of combined precision complexity fine grain casting |
| CN109482844A (en) * | 2019-01-02 | 2019-03-19 | 江苏大学 | Complex precise casting fine grain casting device and method |
| US20230234126A1 (en) * | 2020-06-18 | 2023-07-27 | Voestalpine Additive Manufacturing Center Gmbh | Actuator for a casting mold for producing metal components |
| CN115608966A (en) * | 2022-10-11 | 2023-01-17 | 东北大学 | Vacuum smelting furnace and method for realizing electromagnetic oscillation stirring of precision casting with flat structure |
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