CN107227415A - Magnesium intermediate alloy grain refiner containing vanadium and its preparation method and application - Google Patents
Magnesium intermediate alloy grain refiner containing vanadium and its preparation method and application Download PDFInfo
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- CN107227415A CN107227415A CN201710497260.8A CN201710497260A CN107227415A CN 107227415 A CN107227415 A CN 107227415A CN 201710497260 A CN201710497260 A CN 201710497260A CN 107227415 A CN107227415 A CN 107227415A
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
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Abstract
Magnesium intermediate alloy grain refiner of the invention containing vanadium and its preparation method and application, as mass fraction, the fining agent includes 90~99% magnesium, and remaining is the compound of vanadium, and the compound is VC, VN, VCxN1‑xAt least one of, the VCxN1‑xIn, 0 ＜ x ＜ 1.The invention also discloses the preparation method of several magnesium intermediate alloy grain refiners containing vanadium.Magnesium intermediate alloy grain refiner of the present invention containing vanadium, vfanadium compound can be used as the effective heterogeneous forming core core of magnesium alloy, magnesium intermediate alloy is prepared into, addition is easier control, easy to use, recovery rate is high, do not limited and (can be added in the magnesium alloy containing Al and without Al) by magnesium alloy composition, after being added in magnesium alloy, effective Refining Mg Alloy crystal grain, strengthen magnesium and magnesium alloy, improve the comprehensive mechanical property of magnesium alloy.
Description
Technical field
The invention belongs to the production and processing technical field of magnesium alloy materials, more particularly to a kind of magnesium intermediate alloy containing vanadium is brilliant
Grain fining agent and its preparation method and application.
Background technology
Magnesium and magnesium alloy are due to its low-density, high specific strength and specific stiffness, good damping capacity, excellent casting character and
The advantages of easily cutting pin processability, is more and more favored, is expected in industry such as communications and transportation, Aero-Space and electronic products
Field is widely used.But the room temperature strength and toughness of magnesium and its alloy are relatively low, creep resistant and corrosion resistance difference etc., again
Limit its development.And crystal grain refinement is to improve the important means of magnesium and its magnesium alloy combination property.
It is most simple and efficient method that grain refiner is added into magnesium.The crystal grain refinement of magnesium alloy mainly passes through alloy
Change with Metamorphism treatment to realize.Currently, it is metal zirconium using more ripe grain refiner, but zirconium has more shortcoming, such as：
In the alloy containing Al easy " poisoning " and lose grain refining efficiency, expensive, alloying temperature is higher, free settling, recovery rate are low
Deng.Research to the grain refiner containing almag is concentrated mainly on two categories below：
(1) solute element is added：It is generally acknowledged that the addition of solute element, can be in solid-liquid interface in alloy graining process
Forward position produces constitutional supercooling, promotes forming core.But a part for the alloying element being added in melt will occur anti-with aluminium or magnesium
Should and generate compound, it is having or even thick compound can be formed, cause alloying element to the Grain Refinement Effect of magnesium alloy
It is unstable.
(2) method of heterogeneous forming core：The wherein rotten method research of carbon is thought to introduce simple substance carbon or carbon containing in alloy melt
Compound, the effective heterogeneous forming core particle Al of generation4C3Or Al2OC reaches the purpose of crystal grain thinning.But its grain refining effect
Unstable, Refining Mechanism is disputable, and carbon is introduced into more difficult in melt, and the addition of carbon has a strong impact on the corrosion resistance of alloy.
Research new at present, adds Al in RE containing rare earth (Y, Gd, Sm, Ce etc.) magnesium alloy, and there is fabricated in situ heterogeneous forming core to make
Al2RE compounds.But generating this compound particle needs specific alloying component and process conditions.
200980114447.9 disclose a kind of method of crystal grain refinement magnesium metal or magnesium base alloy.This method be in magnesium or
Vanadium metal is added in person's magnesium base alloy, crystal grain thinning is acted on using the solute element of vanadium.Although being had been disclosed in this patent containing vanadium
Grain refiner, but this method should range addition solute element, and it still suffers from described defect.
Technical field is produced and processed for magnesium alloy materials, in addition it is also necessary to which exploitation is alternative and effective and applied to institute
Have or most of magnesium alloy general grain refiner.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of magnesium intermediate alloy grain refiner containing vanadium
And its preparation method and application, the fining agent utilizes vfanadium compound, plays heterogeneous forming core crystal grain thinning.
To reach above-mentioned purpose, the present invention provides following technical scheme：
1st, the magnesium intermediate alloy grain refiner containing vanadium, as mass fraction, the fining agent includes 90~99% magnesium,
Remaining is the compound of vanadium, and the compound is VC, VN, VCxN1-xAt least one of, the VCxN1-xIn, 0 ＜ x ＜ 1.
2nd, the preparation method of the magnesium intermediate alloy grain refiner containing vanadium, comprises the following steps：
(1) compound powder for weighing magnesium powder and vanadium by proportioning is placed in agate pot the ball milling mixing under argon gas protective condition
6~12h, using alcohol or acetone as ball-milling medium, ratio of grinding media to material is 6~10:1；
(2) by the mixed-powder vacuum drying after ball milling, after powder is placed in cylindric graphite jig, pressure be 25
~40MPa, temperature is 30~60min of insulation under the conditions of 450~550 DEG C, and cooling obtains the magnesium intermediate alloy sintering block containing vanadium.
Further, the ball milling uses planetary ball mill, using batch (-type) ball milling pattern, i.e. ball milling 3h, pause 15
~20min.
Further, the preparation method also includes step (3)：Car falls magnesium intermediate alloy sintering block of the gained containing vanadium
Surface scale, preheats 1~2h at 350~400 DEG C, then in 350~400 DEG C of temperature, extrusion ratio 89:Extruded under the conditions of 1
Obtain the magnesium intermediate alloy grain refiner wire rod containing vanadium.
Further, a diameter of 70mm of the graphite jig, the magnesium intermediate alloy grain refiner line containing vanadium after extruding
The a diameter of 9mm of material.
3rd, the preparation method of the magnesium intermediate alloy grain refiner containing vanadium, comprises the following steps：
(1) weigh magnesium powder and vanadium compound powder be placed in agate pot under argon gas protective condition ball milling mixing 6~
12h, using alcohol or acetone as ball-milling medium, ratio of grinding media to material is 6~10:1, after by the mixed-powder vacuum drying after ball milling, and press
Type is made, magnesium vfanadium compound pressed compact is formed；
(2) magnesium ingot is placed in the stainless steel crucible for having applied BN coating, heat up melting in resistance furnace, in coverture or
CO2With SF6Under mixed gas protected, magnesium ingot is fused into magnesium liquid, at 720~750 DEG C by the magnesium vfanadium compound pressed compact in step (1)
It is pressed into magnesium liquid, is 720 DEG C by the temperature adjustment of Serum Magnesium until completely melted, after insulation 30min, stirs 5~10min,
Surface slag is destroyed, is poured into the cylindric low-carbon steel mold of 150~200 DEG C of preheating, the magnesium intermediate alloy casting containing vanadium is obtained
Ingot；
(3) by gained ingot casting in step (2), according to extruding cylinder size, remove end to end, after turning to suitable dimension
1~2h is preheated at 350~400 DEG C, extrusion temperature is 350~400 DEG C, and extrusion ratio is 89:1, extruding obtains containing for a diameter of 9mm
The magnesium intermediate alloy grain refiner wire rod of vanadium.
Further, the adding proportion of the compound powder and magnesium ingot of the magnesium powder and vanadium need to be satisfied with the middle of the magnesium containing vanadium
Alloy grain fining agent includes 90~99wt% magnesium.
4th, the magnesium intermediate alloy grain refiner containing vanadium is used as the application in magnesium alloy refiner, the magnesium alloy bag
The magnesium alloy containing Al and without Al is included, the addition of the fining agent is 0.02~0.4wt.%.
The beneficial effects of the present invention are：
1st, the invention provides a kind of new magnesium alloy grain refining agent containing vanadium, the existence form of vanadium is the carbonization of vanadium
The carbonitride of the nitride or/and vanadium of thing or/and vanadium, can be as the effective heterogeneous forming core particle of magnesium alloy, and is prepared into magnesium
Intermediate alloy, addition is easily controlled, easy to use, and recovery rate is high, is not limited by magnesium alloy composition (containing Al and without Al
Magnesium alloy in can add).
2. the magnesium intermediate alloy grain refiner of the present invention containing vanadium, after being added in magnesium alloy, effectively refinement magnesium is closed
Gold, reinforcing magnesium and magnesium alloy, improve the comprehensive mechanical property of magnesium alloy.The magnesium of the grain refiner prepared using the present invention is closed
Gold, crystallite dimension is about 115 μm (Fig. 1), compared to 320 μm of the crystallite dimension (Fig. 2) for the magnesium alloy for being not added with grain refiner,
Grain refining effect is notable.
3. preparation method of the present invention, simple to operate, with low cost, it is suitable for scale industrial production, with wide
Market application foreground.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is the metallograph for the Mg-3Al alloys that with the addition of VC magnesium intermediate alloys；
Fig. 2 is the metallograph for the Mg-3Al alloys for being not added with fining agent of the present invention；
Fig. 3 is the preparation-obtained 99wt.%Mg-1wt.%VC of embodiment 40.5N0.5Intermediate alloy grain refiner wire rod
Apply in Mg-6Zn alloys as the metallograph obtained by fining agent；
Fig. 4 is the metallograph for the Mg-6Zn alloys for being not added with fining agent under identical smelting technology.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1
Raw material pure magnesium powder 360g, VC powder 40g are weighed, by above two powder ball milling mixing, ball-milling medium is alcohol, is pressed
Ratio of grinding media to material is 10:1, protected as argon gas is passed through after in agate pot, vacuumizing, the ball milling 12h on planetary ball mill, between
Have a rest ball milling pattern, i.e. ball milling 3h, suspend 20min, after the mixed-powder vacuum drying after ball milling, mixed-powder is as a diameter of
In 70mm graphite jig, in vacuum hotpressing stove, pressure is 40MPa, and hot pressing temperature is 550 DEG C, is incubated 60min, hot pressing is obtained
Block is sintered to 90wt.%Mg-10wt.%VC intermediate alloys.
Above-mentioned intermediate alloy is sintered into block, car falls preheats 2h after surface scale to suitable dimension at 400 DEG C, in crowded
In press, extrusion temperature is 400 DEG C, and extrusion ratio is 89:1, obtain closing in the middle of a diameter of 9mm 90wt.%Mg-10wt.%VC
Golden grain refiner wire rod.
Embodiment 2
Raw material pure magnesium powder 396g, VC powder 4g are weighed, by above two powder ball milling mixing, ball-milling medium is acetone, is pressed
It is 8 according to ratio of grinding media to material:1, it is placed in agate pot, argon gas protection, the ball milling 6h on planetary ball mill, between is passed through after vacuumizing
Have a rest ball milling pattern, i.e. ball milling 3h, suspend 15min.After the mixed-powder vacuum drying after ball milling, mixed-powder is as diameter
In 70mm graphite jig, in vacuum hotpressing stove, pressure is 30MPa, and hot pressing temperature is 450 DEG C, is incubated 30min, hot pressing is obtained
Block is sintered to 99wt.%Mg-1wt.%VC intermediate alloys.
99wt.%Mg-1wt.%VC intermediate alloys are sintered into block, car falls after surface scale to suitable dimension 350
1h is preheated at DEG C, in extruder, extrusion temperature is 350 DEG C, and extrusion ratio is 89:1, obtain a diameter of 9mm 99wt.%Mg-
1wt.%VC intermediate alloy grain refiner wire rods.
Embodiment 3
Pure Mg powder 360g, VN the powder 40g of raw material is weighed, by above two powder ball milling mixing, ball-milling medium is alcohol, according to
Ratio of grinding media to material is 8:1, protected as argon gas is passed through after in agate pot, vacuumizing, the ball milling 6h on planetary ball mill, using interval
Ball milling pattern, i.e. ball milling 3h, suspend 15min.After the mixed-powder vacuum drying after ball milling, mixed-powder is as a diameter of
In 70mm graphite jig, in vacuum hotpressing stove, pressure is 40MPa, and hot pressing temperature is 450 DEG C, is incubated 30min, hot pressing is obtained
Block is sintered to 90wt.%Mg-10wt.%VN intermediate alloys.
90wt.%Mg-10wt.%VN intermediate alloys are sintered into block, car falls after surface scale to suitable dimension 350
1h is preheated at DEG C, in extruder, extrusion temperature is 350 DEG C, and extrusion ratio is 89:In 1, the Mg-10wt.%VN for obtaining Φ 9mm
Between alloy grain fining agent wire rod.
Embodiment 4
Weigh pure Mg powder 100g and VC0.5N0.5Powder 10g, is placed in agate pot, ball milling mixing, ball-milling medium be alcohol or
Acetone, is 6 according to ratio of grinding media to material:1, argon gas protection, the ball milling 6h on planetary ball mill, using interval ball milling are passed through after vacuumizing
Pattern, i.e. ball milling 3h, suspend 15min.By the mixed-powder vacuum drying after ball milling, and it is pressed into 12mm × 50mm magnesium vanadium
Compound pressed compact.
900g magnesium ingots are placed in the stainless steel crucible for having applied BN coating, heat up melting in resistance furnace, in CO2With SF6It is mixed
Close under gas shield, magnesium ingot is fused into magnesium liquid, and 12mm × 50mm magnesium vfanadium compound pressed compact is pressed into magnesium liquid at 720 DEG C,
Until completely melted, 30min is incubated, 5min is stirred, surface slag is destroyed, the cylindrical low-carbon punching block of 200 DEG C of preheating is poured into
In tool, 99wt.%Mg-1wt.%VC is obtained0.5N0.5Intermediate alloy ingot casting.Then ingot casting is removed end to end, turning is to suitable
1h is preheated after size at 350 DEG C, extrusion temperature is 350 DEG C, and extrusion ratio is 89:1, extruding obtains Φ 9mm 99wt.%Mg-
1wt.%VC0.5N0.5Intermediate alloy grain refiner wire rod.
Embodiment 5
Raw material is pure Mg powder 400g, VC powder 50g and VN powder 50g, is placed in agate pot, ball milling mixing, ball-milling medium is wine
Essence or acetone, are 6 according to ratio of grinding media to material:1, argon gas protection is passed through after vacuumizing, the ball milling 12h on planetary ball mill is used
Interval ball milling pattern, i.e. ball milling 3h, suspend 20min.By the mixed-powder vacuum drying after ball milling, and it is pressed into 12mm × 50mm
Magnesium vfanadium compound pressed compact.
500g magnesium ingots are placed in the stainless steel crucible for having applied BN coating, heat up melting in resistance furnace, in CO2With SF6It is mixed
Close under gas shield, magnesium ingot is fused into magnesium liquid, and 12mm × 50mm magnesium vfanadium compound pressed compact is pressed into magnesium liquid at 750 DEG C,
Until completely melted, it is 720 DEG C by the temperature adjustment of Serum Magnesium, after insulation 30min, stirs 10min, surface slag is destroyed, poured
In the cylindrical low-carbon steel mold for noting 200 DEG C of preheating, the casting of 90wt.%Mg-5wt.%VC-5wt.%VN intermediate alloys is obtained
Ingot.Then ingot casting is removed end to end, preheats 1h after turning to suitable dimension at 400 DEG C, extrusion temperature is 400 DEG C, extruding
Than for 89:1, extruding obtains Φ 9mm 90wt.%Mg-5wt.%VC-5wt.%VN intermediate alloy grain refiner wire rods.
The preparation-obtained 90wt.%Mg-10wt.%VC intermediate alloys grain refiner wire rod of embodiment 1 is applied
Mg-3Al alloys are as fining agent, and addition is 0.03wt.%, and obtaining metallograph as shown in Figure 1, (crystallite dimension is averagely about
115 μm), it is not added with Mg-3Al alloy (average grain size of the fining agent under identical smelting technology corresponding to as shown in Figure 2
About 320 μm), it can be seen that the carbide of vanadium as fining agent can effective Refining Mg Alloy, so as to play refined crystalline strengthening effect, carry
The comprehensive mechanical property of high magnesium alloy.
By the preparation-obtained 99wt.%Mg-1wt.%VC of embodiment 40.5N0.5Intermediate alloy grain refiner wire rod should
As fining agent in Mg-6Zn alloys, addition is 0.3wt.%, obtains metallograph (the average chi of crystal grain as shown in Figure 3
Very little about 83 μm), corresponding to Mg-6Zn alloy of the fining agent under identical smelting technology that be not added with as shown in Figure 4, (crystal grain is put down
Equal size is about 187 μm), it can be seen that after addition grain refiner, alloy grain size distribution is more uniform.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (8)
1. the magnesium intermediate alloy grain refiner containing vanadium, it is characterised in that as mass fraction, the fining agent includes 90~
99% magnesium, remaining is the compound of vanadium, and the compound is VC, VN, VCxN1-xAt least one of, the VCxN1-xIn, 0 ＜ x
＜ 1.
2. the preparation method of the magnesium intermediate alloy grain refiner containing vanadium described in claim 1, it is characterised in that including following step
Suddenly：
(1) compound powder for weighing magnesium powder and vanadium by proportioning be placed in agate pot under argon gas protective condition ball milling mixing 6~
12h, using alcohol or acetone as ball-milling medium, ratio of grinding media to material is 6~10:1；
(2) by the mixed-powder vacuum drying after ball milling, after powder is placed in cylindric graphite jig, pressure be 25~
40MPa, temperature is 30~60min of insulation under the conditions of 450~550 DEG C, and cooling obtains the magnesium intermediate alloy sintering block containing vanadium.
3. the preparation method of the magnesium alloy intermediate alloy grain refiner containing vanadium according to claim 2, it is characterised in that institute
State ball milling and use planetary ball mill, using batch (-type) ball milling pattern, i.e. ball milling 3h, suspend 15~20min.
4. the preparation method of the magnesium intermediate alloy grain refiner containing vanadium according to claim 2, it is characterised in that also include
Step (3)：Car falls the surface scale that magnesium intermediate alloy of the gained containing vanadium sinters block, and 1~2h is preheated at 350~400 DEG C,
Then in 350~400 DEG C of temperature, extrusion ratio 89:Extruding obtains the magnesium intermediate alloy grain refiner wire rod containing vanadium under the conditions of 1.
5. the preparation method of the magnesium intermediate alloy grain refiner containing vanadium according to claim 4, it is characterised in that the stone
A diameter of 70mm of black mould, the magnesium intermediate alloy grain refiner gauge or diameter of wire containing vanadium is 9mm after extruding.
6. the preparation method of the magnesium intermediate alloy grain refiner containing vanadium described in claim 1, it is characterised in that including following step
Suddenly：
(1) compound powder for weighing magnesium powder and vanadium is placed in agate pot 6~12h of ball milling mixing under argon gas protective condition, with
Alcohol or acetone are ball-milling medium, and ratio of grinding media to material is 6~10:1, after by the mixed-powder vacuum drying after ball milling, it is and compressing,
Form magnesium vfanadium compound pressed compact；
(2) magnesium ingot is placed in the stainless steel crucible for having applied BN coating, heat up melting in resistance furnace, in coverture or CO2With
SF6Under mixed gas protected, magnesium ingot is fused into magnesium liquid, is pressed into the magnesium vfanadium compound pressed compact in step (1) at 720~750 DEG C
Into magnesium liquid, it is 720 DEG C by the temperature adjustment of Serum Magnesium until completely melted, after insulation 30min, 5~10min is stirred, by table
Face slag is destroyed, and is poured into the cylindric low-carbon steel mold of 150~200 DEG C of preheating, obtains the magnesium intermediate alloy ingot casting containing vanadium；
(3) by gained ingot casting in step (2), according to extruding cylinder size, remove end to end, after turning to suitable dimension 350~
1~2h is preheated at 400 DEG C, extrusion temperature is 350~400 DEG C, and extrusion ratio is 89:1, extruding obtain a diameter of 9mm containing vanadium
Magnesium intermediate alloy grain refiner wire rod.
7. the preparation method of the magnesium intermediate alloy grain refiner containing vanadium according to claim 6, it is characterised in that the magnesium
The adding proportion of the compound powder and magnesium ingot of powder and vanadium, which need to be satisfied with the magnesium intermediate alloy grain refiner containing vanadium, to be included
90~99wt% magnesium.
8. the magnesium intermediate alloy grain refiner containing vanadium is used as the application in magnesium alloy refiner, the magnesium described in claim 1
Alloy includes the magnesium alloy containing Al and without Al, and the addition of the fining agent is 0.02~0.4wt.%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457157A (en) * | 2018-11-20 | 2019-03-12 | 江苏中福铝镁科技有限公司 | A kind of magnesium alloy profiles and preparation method thereof |
| CN110643871A (en) * | 2019-10-30 | 2020-01-03 | 北京交通大学 | Novel heat-resistant high-strength Mg-Al-Ca-Gd magnesium alloy and preparation method thereof |
| CN111304509A (en) * | 2018-12-11 | 2020-06-19 | 长沙理工大学 | VN particle-added refined magnesium alloy and preparation method thereof |
| CN113512675A (en) * | 2021-06-04 | 2021-10-19 | 上海航天精密机械研究所 | Ti-Zr-RE-Mg rare earth magnesium alloy grain refiner and preparation method thereof |
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|---|---|---|---|---|
| EP1281780A1 (en) * | 2001-07-30 | 2003-02-05 | Tetsuichi Motegi | Method of grain refining cast magnesium alloy |
| CN101705395A (en) * | 2009-10-29 | 2010-05-12 | 四川大学 | Vanadium-contained aluminum and aluminum alloy, and preparation methods thereof |
| CN102828061A (en) * | 2012-08-06 | 2012-12-19 | 四川大学 | Multi-element composite grain-refining agent and preparation method thereof |
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2017
- 2017-06-26 CN CN201710497260.8A patent/CN107227415B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1281780A1 (en) * | 2001-07-30 | 2003-02-05 | Tetsuichi Motegi | Method of grain refining cast magnesium alloy |
| CN101705395A (en) * | 2009-10-29 | 2010-05-12 | 四川大学 | Vanadium-contained aluminum and aluminum alloy, and preparation methods thereof |
| CN102828061A (en) * | 2012-08-06 | 2012-12-19 | 四川大学 | Multi-element composite grain-refining agent and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457157A (en) * | 2018-11-20 | 2019-03-12 | 江苏中福铝镁科技有限公司 | A kind of magnesium alloy profiles and preparation method thereof |
| CN111304509A (en) * | 2018-12-11 | 2020-06-19 | 长沙理工大学 | VN particle-added refined magnesium alloy and preparation method thereof |
| CN110643871A (en) * | 2019-10-30 | 2020-01-03 | 北京交通大学 | Novel heat-resistant high-strength Mg-Al-Ca-Gd magnesium alloy and preparation method thereof |
| CN113512675A (en) * | 2021-06-04 | 2021-10-19 | 上海航天精密机械研究所 | Ti-Zr-RE-Mg rare earth magnesium alloy grain refiner and preparation method thereof |
| CN113512675B (en) * | 2021-06-04 | 2022-06-03 | 上海航天精密机械研究所 | Ti-Zr-RE-Mg rare earth magnesium alloy grain refiner and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107227415B (en) | 2019-02-15 |
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