CN107326234A - A kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy - Google Patents
A kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy Download PDFInfo
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- CN107326234A CN107326234A CN201710609196.8A CN201710609196A CN107326234A CN 107326234 A CN107326234 A CN 107326234A CN 201710609196 A CN201710609196 A CN 201710609196A CN 107326234 A CN107326234 A CN 107326234A
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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
- C22C23/02—Alloys based on magnesium with aluminium 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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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
-
- 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
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
Abstract
The present invention relates to a kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy, the preparation method includes melting extruding, homogenization, controlled rolling and control four steps of recrystallization；Prepared Magnesium Alloy has multi-component multi-dimension crystal grain distribution, and it is 1~10 micron of the big crystal grain of fine grain and size more than 70 microns and the second phase composition of even dispersion distribution to be less than 1 micron of Ultra-fine Grained, size by average-size；Magnesium alloy temperature-room type plasticity prepared by this method is more than 20%, intensity and is higher than 330MPa.The invention provides a kind of technique is simple, reliable and be easy to the controlled rolling preparation method of the multi-component multi-dimension structure high aluminium content magnesium alloy of mass production and marketing application, prepared magnesium alloy plate tissue is uniformly mixed by Ultra-fine Grained (less than 1 micron), fine grain (1~10 micron) and coarse grain (~70 microns), and the institutional framework ensure that the magnesium alloy while with high intensity with good temperature-room type plasticity.
Description
Technical field
The present invention relates to a kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy, belong to metal
Field of material technology.
Background technology
Magnesium alloy possesses many excellent performances, such as high specific strength, high ratio elasticity as most light engineering structure metal material
Modulus, good heat dissipation, shock absorbing performance are good, can bear high impact loads and compared to other alloys more resistant to organic matter and caustic corrosion,
There is extensive use in fields such as Aeronautics and Astronautics, transport, chemical industry, rockets.With the transition of the industries such as Chinese Automobile Industry ' and 3C
Upgrading and China's economic status are obviously improved, and China is increasing to the demand of magnesium alloy, but magnesium belongs to solid matter six row knot
Structure, slip system is few, and plastic deformation ability is poor, and these turn into the important bottle that restriction magnesium alloy is used and developed.In view of magnesium alloy sheet
Body ultimate tensile strength is low compared with ferrous materials and aluminium alloy, and its temperature-room type plasticity how is improved while intensity is not lost and seems outstanding
To be important.Thus, explore and develop the study hotspot that the high-strength modeling magnesium alloy of new easy processing is the field.However, preparing high-strength
The conventional large deformation technology of magnesium alloy is higher to equipment requirement and institute can processed sample size it is smaller, business application difficult to realize
Required scale and yield.High aluminium content magnesium-aluminum series alloy easily ftractures in traditional operation of rolling, and uses multiple tracks
Secondary knobble is unfavorable for reducing production cost because passage is various, technique is more complicated.The present invention provides a kind of polynary
The controlled rolling preparation method of Multi-scale model high aluminium content magnesium alloy.This method technique is simple, reliable, it is easy to popularization and application,
It is highly suitable for preparing high-strength modeling high aluminium content magnesium alloy, while it is light to be suitable for the hardly possible deformation such as high solid solution content of magnesium aluminium-magnesium alloy
Alloy.
The content of the invention
The present invention provides a kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy, present invention system
Crystal grain is that Ultra-fine Grained (less than 1 micron), fine grain (1~10 micron) and coarse grain (~70 microns) are uniform in standby gained magnesium alloy
Mix, the accumulation and storage of dislocation motion, are effectively prevented when thick micron crystalline substance is conducive to the material plasticity to deform in the structure organization
The material internal stress concentration in deformation process；Ultra-fine Grained, fine grain are conducive to weakening texture, significantly improve plastic deformation ability
Power, cleverly solves " magnesium alloy strength and plasticity are while improve difficulty " bottleneck, and the sheet material of preparation has high-temperature-room type plasticity simultaneously
(being more than 20%) and high intensity (being higher than 330MPa)；And this method is simple, easy to operate, large scale sample can be prepared and be easy to
Promote, while applying also for the difficult-to-deformation materials such as high solid solution content of magnesium aluminium-magnesium alloy.
To achieve these goals, technical scheme is as follows.
A kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy, the preparation method includes melting
Extruding, homogenization, controlled rolling and control four steps of recrystallization；Prepared Magnesium Alloy has multi-component multi-dimension brilliant
Grain distribution, is less than 1 micron of Ultra-fine Grained, the fine grain that size is 1~10 micron and size big more than 70 microns by average-size
Crystal grain and the second phase composition of even dispersion distribution；Temperature-room type plasticity is more than 20%, intensity height to magnesium alloy prepared by this method simultaneously
In 330MPa, comprise the following steps that：
(1) melting is extruded：By pure zinc casting of the mass percent for 7-9% fine aluminium, 1-3% pure tin ingot casting and 0-2%
Ingot is put into smelting furnace, under sulphur powder and sulfur hexafluoride protection gas shielded effect, through removal of impurities, refining process after 600~740 DEG C
Casting ingot-forming is carried out, gained composition ingot casting is extruded at 150~350 DEG C, stripper plate is obtained；
(2) homogenization：Stripper plate is incubated 1~48 hour in 380~450 DEG C, makes the mutually abundant back dissolving of grain boundaries second,
Stripper plate is avoided to be ftractureed in single pass heavy reduction rolling process；
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 250~
400 DEG C are incubated 5~60 minutes, and it is 0.6~1.5 millimeter, hardness that unilateral or bilateral, which places thickness, between sample to be rolled and roll
For 40~80HRC steel plate, rolled, roll reduction is 50~90%；
(4) control recrystallization：Rolled sample is incubated 2~60 minutes, air cooling in 250~420 DEG C, obtained with disperse point
The magnesium alloy plate of the phase of cloth second and multi-component multi-dimension crystal grain distribution tissue.
Further, the smelting temperature in the step (1) is 660~710 DEG C, and melting environmental protection gas is lithium
Sulphur, extrusion temperature is 220~300 DEG C.
Further, the homogenization temperature in the step (2) is 400~430 DEG C, and soaking time is 3~24 hours.
Further, step (3) the rolled sample holding temperature be 300~380 DEG C, soaking time be 10~30
Minute；Every time described deformation drafts is 55~85%；Steel plate thickness used be 0.8~1.2 millimeter, hardness be 55~
65HRC。
Further, recrystallization temperature is controlled to be 275~350 DEG C in the step (4), the time is 5~30 minutes.
Further, the multi-component multi-dimension structure high aluminium content magnesium alloy include AZ31, AZ61, AZ91, AT82,
ATZ821, ATZ822 magnesium alloy；The preparation method is simultaneously suitable for copper, aluminium less-deformable alloy.
The beneficial effect of the invention is：The invention provides a kind of technique it is simple, reliable and be easy to produce in enormous quantities and
The controlled rolling preparation method of the multi-component multi-dimension structure high aluminium content magnesium alloy of popularization and application, prepared magnesium alloy plate group
Knit and uniformly mixed by Ultra-fine Grained (less than 1 micron), fine grain (1~10 micron) and coarse grain (~70 microns), the institutional framework
It ensure that the magnesium alloy obtains high-temperature-room type plasticity while with high intensity.With advantages below：(1) preparation method
With tradition rolling preparation method Comparatively speaking, can be by the lifting of one-pass roller drafts to more than 50%, and rolled sample
It will not ftracture.(2) preparation method results in multi-component multi-dimension structure magnesium alloy, with tradition compared with traditional preparation methods
Single size magnesium alloy is compared, and high-ductility is ensure that while with high intensity.(3) preparation method goes for other hardly possiblies
Deformable material, such as high solid solution content of magnesium aluminium-magnesium alloy, titanium alloy.
Brief description of the drawings
Fig. 1 is high-strength plasticity ATZ821 alloys in multi-component multi-dimension structure organization after 275~300 DEG C of control recrystallizations
EBSD photos.
Fig. 2 is high-strength plasticity ATZ821 alloys in the photograph of multi-component multi-dimension structure organization after 300~350 DEG C of control recrystallizations
Piece.
Embodiment
The embodiment of the present invention is described with reference to embodiment, to be better understood from the present invention.
Embodiment 1
The controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy in the present embodiment, specific steps are such as
Under：
(1) melting is extruded：By the fine aluminium, pure tin ingot casting and pure magnesium ingot casting that mass fraction percentage is 8.17% and 1.95%
Smelting furnace is put into, under the protection gas shielded effect such as sulphur powder and sulfur hexafluoride, through processes such as removal of impurities, refinings after 660~700
DEG C carry out casting ingot-forming, gained composition ingot casting is extruded at 250~300 DEG C, acquisition stripper plate.
(2) homogenization：Stripper plate is incubated 4~20 hours in 400~430 DEG C, makes the mutually abundant back dissolving of grain boundaries second,
Stripper plate is avoided to be ftractureed in single pass heavy reduction rolling process.
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 300~
380 DEG C are incubated 10~30 minutes, and it is 0.8~1.2 millimeter, hardness that unilateral or bilateral, which places thickness, between sample to be rolled and roll
For 55~65HRC steel plate, rolled, roll reduction is 70~85%.
(4) control recrystallization：Rolled sample is incubated 5~30 minutes, air cooling in 275~350 DEG C, obtained with multiple dimensioned
The magnesium alloy of crystal grain distribution, high-temperature-room type plasticity and intensity rolls plate.
Embodiment 2
The controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy in the present embodiment, specific steps are such as
Under：
(1) melting is extruded：The fine aluminium, pure tin, pure zinc casting for being 8.16%, 1.89% and 0.22% by mass fraction percentage
Ingot is put into smelting furnace with pure magnesium ingot casting, under the protection gas shielded effect such as sulphur powder and sulfur hexafluoride, through processes such as removal of impurities, refinings
Casting ingot-forming is carried out after 660~690 DEG C, gained composition ingot casting is extruded at 250~300 DEG C, stripper plate is obtained.
(2) homogenization：Obtained stripper plate is incubated 4~20 hours in 400~430 DEG C, grain boundaries second is mutually filled
Divide back dissolving, be that architecture basics are established in the inhomogeneous deformation that stripper plate occurs in the operation of rolling.
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 300~
350 DEG C are incubated 10~30 minutes, between sample to be rolled and roll unilateral or bilateral place thickness be 0.8~1 millimeter, hardness be
55~60HRC steel plate, is rolled, and roll reduction is 70~85%.
(4) control recrystallization：Rolled sample is incubated 5~30 minutes, air cooling in 275~350 DEG C, obtained with multiple dimensioned
The magnesium alloy of crystal grain distribution, high-temperature-room type plasticity and intensity rolls plate.
Embodiment 3
The controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy in the present embodiment, specific steps are such as
Under：
(1) melting is extruded：The fine aluminium, pure tin, pure zinc casting for being 8.19%, 1.89% and 0.56% by mass fraction percentage
Ingot is put into smelting furnace with pure magnesium ingot casting, under the protection gas shielded effect such as sulphur powder and sulfur hexafluoride, through processes such as removal of impurities, refinings
Casting ingot-forming is carried out after 670~690 DEG C, gained composition ingot casting is extruded at 250~300 DEG C, stripper plate is obtained.
(2) homogenization：Stripper plate is incubated 4~20 hours in 400~430 DEG C, makes the mutually abundant back dissolving of grain boundaries second,
Architecture basics are established in the inhomogeneous deformation occurred for stripper plate in the operation of rolling.
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 300~
380 DEG C are incubated 10~30 minutes, and it is 0.8~1.2 millimeter, hardness that unilateral or bilateral, which places thickness, between sample to be rolled and roll
For 55~65HRC steel plate, rolled, roll reduction is 70~85%.
(4) control recrystallization：Rolled sample is incubated 5~30 minutes, air cooling in 275~350 DEG C, obtained with multiple dimensioned
The magnesium alloy of crystal grain distribution, high-temperature-room type plasticity and intensity rolls plate.
Embodiment 4
The controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy in the present embodiment, specific steps are such as
Under：
(1) melting is extruded：The fine aluminium, pure tin, pure zinc casting for being 8.09%, 1.87% and 1.71% by mass fraction percentage
Ingot is put into smelting furnace with pure magnesium ingot casting, under the protection gas shielded effect such as sulphur powder and sulfur hexafluoride, through processes such as removal of impurities, refinings
Casting ingot-forming is carried out after 660~680 DEG C, gained composition ingot casting is extruded at 220~300 DEG C, stripper plate is obtained.
(2) homogenization：Stripper plate is incubated 4~20 hours in 400~430 DEG C, makes the mutually abundant back dissolving of grain boundaries second,
Architecture basics are established in the inhomogeneous deformation occurred for stripper plate in the operation of rolling.
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 300~
380 DEG C are incubated 10~20 minutes, between sample to be rolled and roll unilateral or bilateral place thickness be 1~1.2 millimeter, hardness be
55~60HRC steel plate, is rolled, and roll reduction is 70~85%.
(4) control recrystallization：Rolled sample is incubated 5~20 minutes, air cooling in 275~350 DEG C, obtained with multiple dimensioned
The magnesium alloy of crystal grain distribution, high-temperature-room type plasticity and intensity rolls plate.
Embodiment 5
The controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy in the present embodiment, specific steps are such as
Under：
(1) melting is extruded：The fine aluminium, pure tin, pure zinc casting for being 8.17%, 1.89% and 1.19% by mass fraction percentage
Ingot is put into smelting furnace with pure magnesium ingot casting, under the protection gas shielded effect such as sulphur powder and sulfur hexafluoride, through processes such as removal of impurities, refinings
Casting ingot-forming is carried out after 660~700 DEG C, gained composition ingot casting is extruded at 220~300 DEG C, stripper plate is obtained.
(2) homogenization：Stripper plate is incubated 4~20 hours in 400~430 DEG C, makes the mutually abundant back dissolving of grain boundaries second,
Architecture basics are established in the inhomogeneous deformation occurred for stripper plate in the operation of rolling.
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 300~
380 DEG C are incubated 10~15 minutes, and it is 0.8~1.2 millimeter, hardness that unilateral or bilateral, which places thickness, between sample to be rolled and roll
For 55~65HRC steel plate, rolled, roll reduction is 60~85%.
(4) control recrystallization：Rolled sample is incubated 5~20 minutes, air cooling in 300~350 DEG C, obtained with multiple dimensioned
The magnesium alloy of crystal grain distribution, high-temperature-room type plasticity and intensity rolls plate.The milled sheet tensile strength is 370Mpa, temperature-room type plasticity 22%.
Fig. 1 is high-strength plasticity ATZ821 alloys in multi-component multi-dimension structure organization after 275~300 DEG C of control recrystallizations
EBSD photos.Fig. 2 is high-strength plasticity ATZ821 alloys in multi-component multi-dimension structure organization after 300~350 DEG C of control recrystallizations
EBSD photos.Table 1 is the main preparation parameter in above-described embodiment.
The main preparation parameter of 1 five kinds of embodiments of table
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy, it is characterised in that：The preparation side
Method includes melting extruding, homogenization, controlled rolling and control four steps of recrystallization；Prepared Magnesium Alloy has many
The multiple dimensioned crystal grain distribution of member, is less than 1 micron of Ultra-fine Grained, size by average-size and is more than for 1~10 micron of fine grain and size
Second phase composition of 70 microns of big crystal grain and even dispersion distribution；This method prepare magnesium alloy temperature-room type plasticity be more than 20%,
Intensity is higher than 330MPa, comprises the following steps that：
(1) melting is extruded：Pure zinc casting ingot by mass percent for 7-9% fine aluminium, 1-3% pure tin ingot casting and 0-2% is put
Enter smelting furnace, under sulphur powder and sulfur hexafluoride protection gas shielded effect, through removal of impurities, refining process after 600~740 DEG C of progress
Casting ingot-forming, gained composition ingot casting is extruded at 150~350 DEG C, obtains stripper plate；
(2) homogenization：Stripper plate is incubated 1~48 hour in 380~450 DEG C, makes the mutually abundant back dissolving of grain boundaries thick second,
Stripper plate is avoided to be ftractureed in single pass heavy reduction rolling process；
(3) single pass heavy reduction controlled rolling：Stripper plate Jing Guo homogenization is put into incubator in 250~400 DEG C
Insulation 5~60 minutes, between sample to be rolled and roll unilateral or bilateral place thickness be 0.6~1.5 millimeter, hardness be 40~
80HRC steel plate, is rolled, and roll reduction is 50~90%；
(4) control recrystallization：Rolled sample is incubated 2~60 minutes, air cooling in 250~420 DEG C, obtaining has Dispersed precipitate the
Two-phase and the magnesium alloy plate of multi-component multi-dimension crystal grain distribution tissue.
2. the controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy according to claim 1, it is special
Levy and be：Smelting temperature in the step (1) is 660~710 DEG C, and melting environmental protection gas is sulfur hexafluoride, extrusion temperature
For 220~300 DEG C.
3. the controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy according to claim 1, it is special
Levy and be：Homogenization temperature in the step (2) is 400~430 DEG C, and soaking time is 3~24 hours.
4. the controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy according to claim 1, it is special
Levy and be：Step (3) the rolled sample holding temperature is 300~380 DEG C, soaking time is 10~30 minutes；It is described
Every time deformation drafts is 55~85%；Steel plate thickness used is 0.8~1.2 millimeter, and hardness is 55~65HRC.
5. the controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy according to claim 1, it is special
Levy and be：Recrystallization temperature is controlled to be 275~350 DEG C in the step (4), the time is 5~30 minutes.
6. the controlled rolling preparation method of multi-component multi-dimension structure high aluminium content magnesium alloy according to claim 1, it is special
Levy and be：The multi-component multi-dimension structure high aluminium content magnesium alloy includes AZ31, AZ61, AZ91, AT82, ATZ821, ATZ822
Magnesium alloy；The preparation method is simultaneously suitable for less-deformable alloys such as titanium, high solid solution content of magnesium aluminium-magnesium.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707800A (en) * | 2018-08-09 | 2018-10-26 | 吉林大学 | Low content of rare earth magnesium alloy materials of a kind of high-strength plasticity and preparation method thereof |
| CN109468560A (en) * | 2019-01-15 | 2019-03-15 | 吉林大学 | Second phase homogenization regulation preparation method in a kind of high aluminium content casting magnesium alloy plate |
| CN109680172A (en) * | 2019-03-08 | 2019-04-26 | 吉林大学 | One kind having weak texture high-strength plasticity low-alloy content magnesium alloy preparation method |
| CN109837437A (en) * | 2019-02-27 | 2019-06-04 | 吉林大学 | A kind of alternating temperature controlled rolling preparation method for making low content magnesium alloy that there is uniform fine grain |
| CN110684937A (en) * | 2019-10-25 | 2020-01-14 | 燕山大学 | Preparation method of layered double-scale magnesium alloy |
| CN111793778A (en) * | 2020-07-20 | 2020-10-20 | 吉林大学 | Method for preparing magnesium alloy with high-strength plastic mixed crystal structure |
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| CN103774071A (en) * | 2014-02-19 | 2014-05-07 | 吉林大学 | Preparation method of super-plastic magnesium alloy with spherical second phase |
| CN105234174A (en) * | 2015-08-31 | 2016-01-13 | 东北大学 | Method for rolling ultra-thin magnesium or magnesium alloy band |
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| CN103774071A (en) * | 2014-02-19 | 2014-05-07 | 吉林大学 | Preparation method of super-plastic magnesium alloy with spherical second phase |
| CN105234174A (en) * | 2015-08-31 | 2016-01-13 | 东北大学 | Method for rolling ultra-thin magnesium or magnesium alloy band |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108707800A (en) * | 2018-08-09 | 2018-10-26 | 吉林大学 | Low content of rare earth magnesium alloy materials of a kind of high-strength plasticity and preparation method thereof |
| CN108707800B (en) * | 2018-08-09 | 2020-03-20 | 吉林大学 | Magnesium alloy material with high strength and plasticity and low rare earth content and preparation method thereof |
| CN109468560A (en) * | 2019-01-15 | 2019-03-15 | 吉林大学 | Second phase homogenization regulation preparation method in a kind of high aluminium content casting magnesium alloy plate |
| CN109837437A (en) * | 2019-02-27 | 2019-06-04 | 吉林大学 | A kind of alternating temperature controlled rolling preparation method for making low content magnesium alloy that there is uniform fine grain |
| CN109680172A (en) * | 2019-03-08 | 2019-04-26 | 吉林大学 | One kind having weak texture high-strength plasticity low-alloy content magnesium alloy preparation method |
| CN110684937A (en) * | 2019-10-25 | 2020-01-14 | 燕山大学 | Preparation method of layered double-scale magnesium alloy |
| CN111793778A (en) * | 2020-07-20 | 2020-10-20 | 吉林大学 | Method for preparing magnesium alloy with high-strength plastic mixed crystal structure |
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