CN109022981A - A kind of preparation method of high-strength casting magnesium-zinc alloy ingot - Google Patents
A kind of preparation method of high-strength casting magnesium-zinc alloy ingot Download PDFInfo
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- CN109022981A CN109022981A CN201811129600.2A CN201811129600A CN109022981A CN 109022981 A CN109022981 A CN 109022981A CN 201811129600 A CN201811129600 A CN 201811129600A CN 109022981 A CN109022981 A CN 109022981A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
- C22C23/04—Alloys based on magnesium with zinc or cadmium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
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Abstract
The present invention relates to a kind of preparation methods of high-strength casting magnesium-zinc alloy ingot, it is the situation low for cast magnesium alloy intensity, magnesium, zinc, aluminium, copper are added in fusion process, to enhance the mechanical property of cast magnesium alloy, the cast magnesium alloy tensile strength of preparation reaches 321MPa, yield strength reaches 192MPa, elongation percentage is up to 8.8%, and for product purity up to 99.5%, this preparation method technique is advanced, data are accurately full and accurate, are the advanced methods for preparing high-strength magnesium ZINC ALLOY.
Description
Technical field
The present invention relates to a kind of preparation methods of high-strength casting magnesium-zinc alloy ingot, belong to nonferrous materials preparation and answer
Technical field.
Background technique
Metal engineering structural material of the magnesium alloy as most lightweight, because it is with light specific gravity, energy-saving, specific strength ratio is rigid
Degree is high, damping vibration attenuation drops that dry ability is strong, liquid condition shaping superior performance, the feature that can be shielded electromagnetic radiation and be easily recycled,
It is set to be particularly suitable for the application in the fields such as automobile, computer, communication, instrument and meter, household electrical appliances, light industry, military affairs；Add in the magnesium alloy
Add Ce, Y or richness Ce mischmetal etc. that alloy high-temp intensity and Properties of High Temperature Creep can be improved and improves casting character, it is domestic
The research and application of addition rare earth strengthening magnesium alloy have been begun to from the 1970s outside；But high magnesium-rare earth band
High performance expensive rare earth element undoubtedly increases the cost of magnesium alloy simultaneously, in order to improve the extensive of magnesium alloy application
Property, under the premise of guaranteeing to can achieve respective strengths, developing and design low rare earth and the magnesium alloy without rare earth also becomes magnesium
Hot spot in alloy research.
Maximum solid solution degree of the zinc in magnesium is 6.2%, and solid solubility declines with the reduction of temperature, is that one kind has very much
The alloy element of effect, the double action with solution strengthening and ageing strengthening.Mg-Zn alloy is higher than 477K when aging temp
When, occur ageing strengthening in 5~10h, and when temperature is lower than 422K, by can be only achieved ageing strengthening effect for a long time
Fruit；It is precipitated on α-Mg crystal boundary and is similar to MgZn2The β ' of crystal structure is mutually that Mg-Zn alloy generates the main of ageing strengthening effect
Reason；Magnesium zinc bianry alloy crystallization temperature section is big, poor fluidity, is easy to produce microporosity, and crystal grain refinement is difficult, from
And cannot act as industrial casting or forging material, industrial application is greatly limited, therefore, the further hair of Mg-Zn system alloy
Exhibition, needs to find the third alloying element, to refine crystal grain and reduce the tendency of microporosity, this technology is also in scientific research
In.
Summary of the invention
Goal of the invention
The purpose of the present invention is being directed to background technique, using magnesium, zinc, aluminium, copper as raw material, by the micro- conjunction of Mg-Zn
Aurification rationally controls alloying component, through vacuum melting furnace melting, argon gas protection, cast molding, and optimizes heat treatment process, makes
At high intensity and compared with the magnesium-zinc alloy ingot of high-ductility.
Technical solution
The chemical substance material that the present invention uses are as follows: magnesium, zinc, aluminium, copper, magnesia, waterglass, deionized water, argon gas,
It is as follows that combination prepares dosage: with gram, milliliter, centimetre3For measurement unit
The preparation method is as follows:
(1) magnesium, zinc, aluminium, copper are pre-processed
1. magnesium, zinc, aluminium, copper billet body are placed on steel plate by stripping and slicing, block size≤10mm blocking with mechanical cutting
×10mm×10mm；
2. polishing magnesium, zinc, aluminium, copper sand for surface paper, then cleaned with dehydrated alcohol；
3. postposition preheating and drying in a vacuum drying oven is cleaned, 100 DEG C of preheating and drying temperature, vacuum degree 2Pa, drying time
40min；
(2) coating agent is prepared
It weighs magnesia 50g ± 1g, measure waterglass 10mL ± 1mL, measure deionized water 500mL ± 1mL, slurry is added
It is stirred in machine, agitation revolution 50r/min, mixing time 80min；
At milky suspension liquid, i.e. coating agent after stirring；
(3) retractable die is prepared
Retractable die makes of stainless steel material, and type chamber is in rectangle, and mold cavity surface roughness is Ra0.08-0.16 μm；
(4) melting prepares magnesium-zinc alloy ingot
The melting of magnesium-zinc alloy is carried out in vacuum melting furnace, is in mid-frequency induction heating, is vacuumized, argon gas bottom
It blows, completion during cast molding；
1. cleaning, preheating and inner surface coat retractable die；
With washes of absolute alcohol retractable die type chamber, it is allowed to clean；
Retractable die mold cavity surface, surface coating layer thickness 0.5mm are uniformly coated with the coating agent of preparation；
Retractable die is placed in drying box and is preheated, 150 DEG C of preheating temperature；
2. opening vacuum melting furnace, clear up inside melting kettle, and cleaned with dehydrated alcohol, makes clean inside crucible
Only；
3. weighing MAG block 1352g ± 1g, spelter 123g ± 1g, aluminium block 17g ± 1g, copper billet 8g ± 1g, it is placed in crucible bottom；
4. closing vacuum melting furnace, and closed；
Vacuum pump is opened, extracts furnace air, and pressure in furnace is made to reach 2Pa；
Medium frequency induction heater is opened, is begun to warm up, 750 DEG C ± 1 DEG C of heating temperature, heating time 60min；
5. being passed through argon gas bottom blowpipe in crucible bottom, argon gas, argon gas bottom blowing speed 200cm are inputted into crucible3/ min, makes
Invariablenes pressure of liquid regulates and controls in 1 atmospheric pressure, and by outlet pipe valve in furnace；
Alloying reaction will occur in fusion process for magnesium, zinc, aluminium, copper, and reaction equation is as follows:
In formula: MgZn2: magnesium zinc eutectic phase
Mg32(Al,Zn)49: magnesium zinc-aluminium eutectic phase
MgZnCu: magnesium zinc-copper eutectic phase
MgAlCu: magnalium copper eutectic phase
α-Mg: matrix phase
At alloy molten solution after melting, heating temperature is down to 720 DEG C ± 1 DEG C, keeps the temperature 10min in this thermostatic；
6. casting
Close argon gas bottom blowpipe；
Open vacuum melting furnace；
Remove melting kettle inner melt surface slag；
It is directed at the retractable die cast gate of preheating, is cast, until casting is full；
7. cooling down, 25 DEG C will be cooled in the retractable die embedment fine sand for alloy molten solution of having cast；
8. being opened, retractable die is opened, takes out casting, i.e. magnesium-zinc alloy ingot；
(5) it is heat-treated magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed in progress double_stage guide processing in heat-treatment furnace, low temperature solid solubility temperature is 345 DEG C
± 2 DEG C, constant temperature soaking time is for 24 hours；High temperature solid solution temperature be 360 DEG C ± 2 DEG C, constant temperature soaking time be 36h, be passed through argon gas into
Row protection, it is 100cm that argon gas, which is passed through speed,3/min；Constant temperature heat preservation after, magnesium-zinc alloy ingot is quickly placed into 35 DEG C of warm water into
Row quenching treatment, cool time 30s；
Magnesium-zinc alloy ingot after solution treatment, which is placed in progress two-stage time effect processing, low temperature aging temperature in heat-treatment furnace, is
80 DEG C, constant temperature soaking time is for 24 hours；High-temperature aging temperature is 180 DEG C, and constant temperature soaking time is 6h；Then by magnesium-zinc alloy ingot
It is quickly placed into 35 DEG C of warm water and is quenched, high-intensitive magnesium-zinc alloy ingot is made in cool time 30s after quenching；
(6) it clears up, clean magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed on steel plate, with the positive and negative surface of sand paper polishing and periphery, makes any surface finish；
Then with each portion of washes of absolute alcohol, make its cleaning；
(7) it is dried in vacuo magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed in a vacuum drying oven, vacuum degree 2Pa, 100 DEG C of drying temperature, drying time
10min；
(8) test, analysis and characterization
Test, analysis and characterization are carried out to the pattern of the high-intensitive magnesium-zinc alloy ingot of preparation, metallographic structure, mechanical property:
Metallographic structure analysis is carried out with Metallographic Analysis instrument and transmission electron microscope；
Tensile strength analysis is carried out with microcomputer controlled electronic universal tester；
Conclusion: the high-intensitive magnesium-zinc alloy ingot of preparation is rectangle casting, contains high temperature resistant hardening constituent in magnesium-zinc alloy ingot
MgZnCu, α-Mg matrix phase and intensive Age-prrcipitation Phase, strength of alloy 321MPa, yield strength 192MPa prolong
Stretching rate is 8.8%, and product purity is up to 99.5%.
Beneficial effect
There is apparent advance compared with the background technology, the present invention, be the situation low for cast magnesium alloy intensity,
Magnesium, zinc, aluminium, copper are added in fusion process, to enhance the mechanical property of cast magnesium alloy, the cast magnesium alloy tensile strength of preparation
Up to 321MPa, yield strength reaches 192MPa, and elongation percentage is up to 8.8%, and for product purity up to 99.5%, this preparation method technique is advanced,
Data are accurately full and accurate, are the advanced methods for preparing high-strength magnesium ZINC ALLOY.
Detailed description of the invention
Fig. 1, high-strength magnesium ZINC ALLOY melting state diagram；
Fig. 2, high-strength magnesium ZINC ALLOY cross section metallographic structure figure；
Fig. 3, high-strength magnesium ZINC ALLOY cross section transmission dark field figure；
Fig. 4, high-strength magnesium ZINC ALLOY as cast condition and aging state mechanical property comparison diagram；
As shown in the figure, list of numerals is as follows:
1, vacuum melting furnace, 2, furnace seat, 3, furnace chamber, 4, escape pipe, 5, air outlet valve, 6, workbench, 7, melting kettle, 8, in
Frequency induction heater, 9, alloy molten solution, 10, argon gas, 11, bottom blowing motor, 12, bottom blowpipe, 13, vacuum pump, 14, vacuum tube, 15,
Argon bottle, 16, tunger tube, 17, argon gas valve, 18, electric cabinet, 19, display screen, 20, indicator light, 21, power switch, 22, intermediate frequency
Induction heating modulator, 23, bottom blowing motor modulator, 24, vacuum pump modulator, the 25, first cable, the 26, second cable.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings:
It is the melting state diagram of high-strength magnesium ZINC ALLOY, each portion position will correctly match according to quantity, sequentially grasp shown in Fig. 1
Make.
The magnitude for preparing the chemical substance used is determined by pre-set range, with gram, milliliter, centimetre3For meter
Measure unit.
The melting of high-strength magnesium kirsite is carried out in vacuum melting furnace, is in mid-frequency induction heating, is vacuumized, argon
It is completed during gas bottom blowing, cast molding；
Vacuum melting furnace be it is vertical, the bottom of vacuum melting furnace 1 is furnace seat 2, inside is furnace chamber 3, and bottom is set in furnace chamber 3
There is workbench 6, melting kettle 7 is put on workbench 6, is surround outside melting kettle 7 by medium frequency induction heater 8, melting earthenware
It is alloy molten solution 9 in crucible 7；It is equipped with escape pipe 4 in the upper right quarter of vacuum melting furnace 1, and is controlled by air outlet valve 5；In vacuum melting
The left part of furnace 1 is equipped with argon bottle 15, and argon bottle 15 is equipped with tunger tube 16, argon gas valve 17, and tunger tube 16 connects bottom blowing motor 11,
Bottom blowing motor 11 connects bottom blowpipe 12, and bottom blowpipe 12 passes through furnace seat 2, workbench 6 is passed through in melting kettle 7, and to alloy molten solution 9
Carry out melting bottom blowing；It is equipped with vacuum pump 13 in the right lower quadrant of furnace seat 2, and furnace chamber 3 is connected to by vacuum tube 14；In vacuum melting furnace
1 right part is equipped with electric cabinet 18, and display screen 19, indicator light 20, power switch 21, mid-frequency induction heating are equipped on electric cabinet 18
Modulator 22, bottom blowing motor modulator 23, vacuum pump modulator 24；Electric cabinet 18 connects Medium frequency induction by the first cable 25 and adds
Hot device 8；Electric cabinet 18 connects bottom blowing motor 11, vacuum pump 13 by the second cable 26；It is filled in furnace chamber 3 by argon gas 10；Furnace chamber 3
Interior pressure is controlled by escape pipe 4, air outlet valve 5.
Shown in Fig. 2, high-strength magnesium ZINC ALLOY cross section metallographic structure figure, as shown in the figure, crystallite dimension is smaller, in crystal grain
Two kinds of phases are mainly contained, matrix phase α-Mg phase and high temperature resistant hardening constituent MgZnCu, MgZnCu phase are uniformly distributed in the base.
Shown in Fig. 3, high-strength magnesium ZINC ALLOY cross section transmission dark field figure is analysed in matrix in ag(e)ing process as shown in the figure
Intensive hardening constituent is gone out.
Shown in Fig. 4, high-strength magnesium ZINC ALLOY as cast condition and aging state mechanical property comparison diagram are being heat-treated as shown in the figure
Before, magnesium-zinc alloy ingot tensile strength be 212MPa, yield strength 107MPa, elongation percentage 7.1%, after the heat treatment,
Magnesium-zinc alloy ingot tensile strength is 321MPa, yield strength 192MPa, elongation percentage 8.8%.
Claims (2)
1. a kind of preparation method of high-strength casting magnesium-zinc alloy ingot, it is characterised in that: the chemical substance material used are as follows: magnesium,
Zinc, aluminium, copper, magnesia, waterglass, deionized water, argon gas, it is as follows that a combination thereof prepares dosage: with gram, milliliter, centimetre3For metering
Unit
The preparation method is as follows:
(1) magnesium, zinc, aluminium, copper are pre-processed
1. magnesium, zinc, aluminium, copper billet body are placed on steel plate by stripping and slicing, blocking with mechanical cutting, and block size≤10mm ×
10mm×10mm；
2. polishing magnesium, zinc, aluminium, copper sand for surface paper, then cleaned with dehydrated alcohol；
3. postposition preheating and drying in a vacuum drying oven is cleaned, 100 DEG C of preheating and drying temperature, vacuum degree 2Pa, drying time
40min；
(2) coating agent is prepared
It weighs magnesia 50g ± 1g, measure waterglass 10mL ± 1mL, measure deionized water 500mL ± 1mL, be added in mixing hollander
It is stirred, agitation revolution 50r/min, mixing time 80min；
At milky suspension liquid, i.e. coating agent after stirring；
(3) retractable die is prepared
Retractable die makes of stainless steel material, and type chamber is in rectangle, and mold cavity surface roughness is Ra0.08-0.16 μm；
(4) melting prepares magnesium-zinc alloy ingot
The melting of magnesium-zinc alloy is carried out in vacuum melting furnace, is in mid-frequency induction heating, is vacuumized, argon gas bottom blowing, pours
It is completed during type casting moulding；
1. cleaning, preheating and inner surface coat retractable die；
With washes of absolute alcohol retractable die type chamber, it is allowed to clean；
Retractable die mold cavity surface, surface coating layer thickness 0.5mm are uniformly coated with the coating agent of preparation；
Retractable die is placed in drying box and is preheated, 150 DEG C of preheating temperature；
2. opening vacuum melting furnace, clear up inside melting kettle, and cleaned with dehydrated alcohol, makes clean inside crucible；
3. weighing MAG block 1352g ± 1g, spelter 123g ± 1g, aluminium block 17g ± 1g, copper billet 8g ± 1g, it is placed in crucible bottom；
4. closing vacuum melting furnace, and closed；
Vacuum pump is opened, extracts furnace air, and pressure in furnace is made to reach 2Pa；
Medium frequency induction heater is opened, is begun to warm up, 750 DEG C ± 1 DEG C of heating temperature, heating time 60min；
5. being passed through argon gas bottom blowpipe in crucible bottom, argon gas, argon gas bottom blowing speed 200cm are inputted into crucible3/ min, makes in furnace
Invariablenes pressure of liquid regulates and controls in 1 atmospheric pressure, and by outlet pipe valve；
Alloying reaction will occur in fusion process for magnesium, zinc, aluminium, copper, and reaction equation is as follows:
In formula: MgZn2: magnesium zinc eutectic phase
Mg32(Al,Zn)49: magnesium zinc-aluminium eutectic phase
MgZnCu: magnesium zinc-copper eutectic phase
MgAlCu: magnalium copper eutectic phase
α-Mg: magnesium matrix phase
At alloy molten solution after melting, heating temperature is down to 720 DEG C ± 1 DEG C, keeps the temperature 10min in this thermostatic；
6. casting
Close argon gas bottom blowpipe；
Open vacuum melting furnace；
Remove melting kettle inner melt surface slag；
It is directed at the retractable die cast gate of preheating, is cast, until casting is full；
7. cooling down, 25 DEG C will be cooled in the retractable die embedment fine sand for alloy molten solution of having cast；
8. being opened, retractable die is opened, takes out casting, i.e. magnesium-zinc alloy ingot；
(5) it is heat-treated magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed in progress double_stage guide processing in heat-treatment furnace, low temperature solid solubility temperature is 345 DEG C ± 2
DEG C, constant temperature soaking time is for 24 hours；High temperature solid solution temperature is 360 DEG C ± 2 DEG C, and constant temperature soaking time is 36h, is passed through argon gas progress
Protection, it is 100cm that argon gas, which is passed through speed,3/min；After constant temperature heat preservation, magnesium-zinc alloy ingot is quickly placed into 35 DEG C of warm water and is carried out
Quenching treatment, cool time 30s；
Magnesium-zinc alloy ingot after solution treatment is placed in progress two-stage time effect processing in heat-treatment furnace, low temperature aging temperature is 80
DEG C, constant temperature soaking time is for 24 hours；High-temperature aging temperature is 180 DEG C, and constant temperature soaking time is 6h；Then magnesium-zinc alloy ingot is fast
Speed is placed in 35 DEG C of warm water and is quenched, cool time 30s, and high-intensitive magnesium-zinc alloy ingot is made after quenching；
(6) it clears up, clean magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed on steel plate, with the positive and negative surface of sand paper polishing and periphery, makes any surface finish；
Then with each portion of washes of absolute alcohol, make its cleaning；
(7) it is dried in vacuo magnesium-zinc alloy ingot
The magnesium-zinc alloy ingot of preparation is placed in a vacuum drying oven, vacuum degree 2Pa, 100 DEG C of drying temperature, drying time 10min；
(8) test, analysis and characterization
Test, analysis and characterization are carried out to the pattern of the high-intensitive magnesium-zinc alloy ingot of preparation, metallographic structure, mechanical property:
Metallographic structure analysis is carried out with Metallographic Analysis instrument and transmission electron microscope；
Tensile strength analysis is carried out with microcomputer controlled electronic universal tester；
Conclusion: the high-intensitive magnesium-zinc alloy ingot of preparation is rectangle casting, contains high temperature resistant hardening constituent in magnesium-zinc alloy ingot
MgZnCu, α-Mg matrix phase and intensive Age-prrcipitation Phase, strength of alloy 321MPa, yield strength 192MPa prolong
Stretching rate is 8.8%, and product purity is up to 99.5%.
2. a kind of preparation method of high-strength casting magnesium-zinc alloy ingot according to claim 1, it is characterised in that: high-intensitive
The melting of magnesium-zinc alloy is carried out in vacuum melting furnace, is in mid-frequency induction heating, is vacuumized, argon gas bottom blowing, is cast into
It is completed during type；
Vacuum melting furnace be it is vertical, the bottom of vacuum melting furnace (1) is furnace seat (2), inside is furnace chamber (3), at furnace chamber (3) interior bottom
Portion is equipped with workbench (6), puts melting kettle (7) on workbench (6), and melting kettle (7) is external by medium frequency induction heater
(8) it surround, is in melting kettle (7) alloy molten solution (9)；Escape pipe (4) are equipped in the upper right quarter of vacuum melting furnace (1), and by
Air outlet valve (5) control；Vacuum melting furnace (1) left part be equipped with argon bottle (15), argon bottle (15) be equipped with tunger tube (16),
Argon gas valve (17), tunger tube (16) connect bottom blowing motor (11), and bottom blowing motor (11) connects bottom blowpipe (12), and bottom blowpipe (12) is worn
Cross furnace seat (2), workbench (6) is passed through in melting kettle (7), and melting bottom blowing is carried out to alloy molten solution (9)；In furnace seat (2)
Right lower quadrant is equipped with vacuum pump (13), and passes through vacuum tube (14) connection furnace chamber (3)；Electricity is equipped in the right part of vacuum melting furnace (1)
It controls case (18), display screen (19), indicator light (20), power switch (21), mid-frequency induction heating tune is equipped on electric cabinet (18)
Control device (22), bottom blowing motor modulator (23), vacuum pump modulator (24)；Electric cabinet (18) passes through in the first cable (25) connection
Frequency induction heater (8)；Electric cabinet (18) connects bottom blowing motor (11), vacuum pump (13) by the second cable (26)；Furnace chamber (3)
It is interior to be filled by argon gas (10)；Pressure in furnace chamber (3) is controlled by escape pipe (4), air outlet valve (5).
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| CN201811129600.2A CN109022981A (en) | 2018-09-27 | 2018-09-27 | A kind of preparation method of high-strength casting magnesium-zinc alloy ingot |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667873A (en) * | 2021-09-03 | 2021-11-19 | 中北大学 | Preparation method of high-strength and high-toughness scandium-containing heat-resistant magnesium-gadolinium alloy ingot |
| CN113881879A (en) * | 2021-09-27 | 2022-01-04 | 中北大学 | Preparation method of magnesium-zinc alloy plate |
| CN113913635A (en) * | 2021-09-08 | 2022-01-11 | 中北大学 | Device and method for preparing scandium-containing high-strength cast magnesium-zinc alloy |
| CN115747545A (en) * | 2022-12-29 | 2023-03-07 | 中北大学 | Magnesium alloy preparation method combining pressurized smelting and free fluid rapid cooling |
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| EP0361136A1 (en) * | 1988-09-05 | 1990-04-04 | Yoshida Kogyo K.K. | High strength magnesium-based alloys |
| EP0407964A2 (en) * | 1989-07-13 | 1991-01-16 | Ykk Corporation | High strength magnesium-based alloys |
| CN101985715A (en) * | 2010-12-08 | 2011-03-16 | 沈阳工业大学 | High performance cast magnesium alloy and preparation method thereof |
| CN102978497A (en) * | 2012-11-21 | 2013-03-20 | 中国科学院金属研究所 | Casting magnesium alloy with high strength and toughness and preparation method thereof |
| CN107760949A (en) * | 2017-09-28 | 2018-03-06 | 中北大学 | A kind of preparation method of the high tenacity casting magnesium alloy ingot of complex intensifying |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0361136A1 (en) * | 1988-09-05 | 1990-04-04 | Yoshida Kogyo K.K. | High strength magnesium-based alloys |
| EP0407964A2 (en) * | 1989-07-13 | 1991-01-16 | Ykk Corporation | High strength magnesium-based alloys |
| CN101985715A (en) * | 2010-12-08 | 2011-03-16 | 沈阳工业大学 | High performance cast magnesium alloy and preparation method thereof |
| CN102978497A (en) * | 2012-11-21 | 2013-03-20 | 中国科学院金属研究所 | Casting magnesium alloy with high strength and toughness and preparation method thereof |
| CN107760949A (en) * | 2017-09-28 | 2018-03-06 | 中北大学 | A kind of preparation method of the high tenacity casting magnesium alloy ingot of complex intensifying |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667873A (en) * | 2021-09-03 | 2021-11-19 | 中北大学 | Preparation method of high-strength and high-toughness scandium-containing heat-resistant magnesium-gadolinium alloy ingot |
| CN113913635A (en) * | 2021-09-08 | 2022-01-11 | 中北大学 | Device and method for preparing scandium-containing high-strength cast magnesium-zinc alloy |
| CN113881879A (en) * | 2021-09-27 | 2022-01-04 | 中北大学 | Preparation method of magnesium-zinc alloy plate |
| CN115747545A (en) * | 2022-12-29 | 2023-03-07 | 中北大学 | Magnesium alloy preparation method combining pressurized smelting and free fluid rapid cooling |
| CN115747545B (en) * | 2022-12-29 | 2023-08-11 | 中北大学 | Preparation method of magnesium alloy combining pressurized smelting and free fluid rapid cooling |
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