CN105420574A - Good-high-temperature-strength magnesium and copper alloy and preparation method thereof - Google Patents
Good-high-temperature-strength magnesium and copper alloy and preparation method thereof Download PDFInfo
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- CN105420574A CN105420574A CN201610026098.7A CN201610026098A CN105420574A CN 105420574 A CN105420574 A CN 105420574A CN 201610026098 A CN201610026098 A CN 201610026098A CN 105420574 A CN105420574 A CN 105420574A
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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
- 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
- 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
- C22C32/0052—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 only carbides
- C22C32/0063—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 only carbides based on SiC
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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
Good-high-temperature-strength magnesium and copper alloy is provided. The magnesium and copper alloy is prepared from, by mass fraction, 2-5% of copper, 1-5% of zirconium, 1-3% of neodymium, 1-3% of yttrium, 10-25% of nano silicon carbide and the balance magnesium. Nano silicon carbide is doped in magnesium and copper alloy, and the high-strength magnesium and copper alloy is obtained. The average diameter of silicon carbide of the magnesium and copper alloy is 200 nanometers or below, the average crystalline grain of the magnesium and copper alloy is 80 nanometer or below, and the yield strength of the alloy can reach 130 MPa or above at the temperature of 400 DEG C. The magnesium and copper alloy is prepared through the steps of smelting, doping of nano particles, dispersing, cooling, distortion, asymmetrical rolling and the like.
Description
Technical field
The present invention relates to the preparation method of a kind of magnesium copper alloy of having excellent high-temperature strength and preparation method thereof, high-performance magnesium copper alloy of especially a kind of SiC reinforcement and preparation method thereof.
Background technology
Magnesium alloy, as a kind of light metal, receives much concern very early.But although its density is low, intensity is not high yet.Therefore, for a long time, the less structural part for key of magnesium alloy.As engineering materials, people expect the material of high strength usually, and along with the development in the fields such as aerospace, the magnesium alloy of development high strength is very urgent.
Chinese patent CN103031452A discloses a kind of SiC particles reinforced magnesium base composite material and preparation method, this invention for starting material, adopts powder metallurgy and multiway forging legal system for SiC particles reinforced magnesium base composite material with pure Mg powder, Al powder and SiC particle micro mist.By powder metallurgy and multiway forging two kinds of forming methods, make, between magnesium alloy substrate and SiC particle, there is good wetting property and associativity, and eliminate the hole remaining in material internal in powder metallurgy forming process, finally obtain the distribution of SiC uniform particles, the magnesium base composite material that magnesium alloy substrate crystal grain is tiny, makes this matrix material have better mechanical property.The tensile strength of the magnesium alloy of this invention is lower than 200MPa.
Chinese patent 105154704A discloses a kind of preparation method of high temperature resistant magnesium alloy materials.This material is made up of the powder of following weight: magnesium powder 63-71 part, iron powder 9-13 part, carborundum powder 5-9 part, sulfuration manganese powder 5-7 part, zircon corundum powder 6-10 part, Graphite Powder 99 13-17 part, electric smelting ceramsite sand 5-10 part, glass fibre 3-6 part, glass putty 10-14 part, cupric sulfide 4-8 part, cobalt powder 4-8 part, cupric oxide powder 4-8 part, feldspar in powder 3-7 part, titanium silicide 4-9 part.Its preparation method comprises: mixing, compacting, sintering, shaping and immersion oil process.By to the adjustment of material composition and optimization, the invention provides high temperature resistant magnesium alloy materials and there is more eager to do well in everything, hardness, and the advantage of high high-temp stability; And raw material is easy to get, tooling cost is low, preparation technology is simple, parameter is easily controlled, production process safety and environmental protection, is applicable to large-scale industrial production.
Chinese patent 104109790A provides a kind of high-strength magnesium alloy material and preparation method thereof, comprises copper (Al) in this magnesium alloy materials component, zinc (Zn), Manganous chloride tetrahydrate (MnCl
2), silicon carbide (SiC) crystal grain, beryllium (Be), magnesium (Mg), wherein, each component composition of magnesium alloy materials is respectively by weight percentage: copper (Al): 10.5-12%, zinc (Zn): 6-7%, Manganous chloride tetrahydrate (MnCl
2): 0.6-1.5%, silicon carbide (SiC) crystal grain: 2-3.5%, beryllium (Be): 0.01-0.03%, surplus is magnesium (Mg).This alloy replaces traditional extrusion process by the mode of continuous casting, the production of magnesium alloy is completed in the mode of short route, shorten Production Flow Chart, save cost, prepared magnesium alloy materials compared to traditional magnesium alloy materials, in tensile strength, yield strength, unit elongation, Young's modulus, hardness etc. all be improved significantly.
More than invent the performance particularly strength property being all devoted to improve magnesium copper alloy, but, for some fields of aerospace, the high-temperature behavior of magnesium alloy is extremely important, but, current most of magnesium alloy (such as MgSc
6mn, MgGd
9y
4zr
0.6deng alloy) yield strength 400 degrees Celsius time is all at below 100MPa, and its intensity also has larger gap with engineering materials conventional at present.
summary of the invention:
Goal of the invention: in order to expand the Application Areas of magnesium alloy, improve its intensity, plays that it is a little low-density, the invention provides magnesium copper alloy of a kind of having excellent high-temperature strength and preparation method thereof.
Technical scheme of the present invention is as follows:
Adopt the method for vacuum melting, by certain mass proportioning Melting Magnesium alloy, alloying constituent is: Copper mass fraction is 2-5%; Weight percent zirconia content is 1-5%; Neodymium massfraction is 1-3%; Yttrium weight percent content is 1-3%; The massfraction of nanometer silicon carbide is 10-25%; Surplus is magnesium.In the process of melting, mix SiC nano particle in magnesium copper alloy, be uniformly dispersed, Slow cooling also vacuumizes and allows nano particle improve concentration further, then the mode of torsional deformation is under high pressure adopted, adopt asymmetrical rolling again, further crystal grain thinning, put forward heavy alloyed intensity.According to the present invention, a kind of high-strength magnesium copper alloy of nano-particle reinforcement can be prepared.Average crystal grain diameter in its microstructure is below 80 nanometers, and the diameter of nano particle is below 200 nanometers, and the yield strength 400 degrees Celsius time of alloy can reach more than 130MPa.
Concrete preparation method comprises the following steps:
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, SiC are pressed certain mass mark batching, and melting in protective atmosphere, adds nano SiC in fusion process, maintains the temperature at 700 ° of C, adopts ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, and keep vacuumizing state in the process of cooling, low vacuum is in 5torr;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies high pressure, and rotates pressure anvil to reverse alloy disks, makes it the deformation that is distorted;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.1-1.5; Setting each rolling deformation amount is 1-8%; The speed of setting low speed roller is 0.5-2 meter per second;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (2) (3) process more than 15 times is repeated;
(9) full annealed thermal treatment is carried out.
Wherein, the shielding gas in step (1) is CO
2with the mixed gas of SF6, in step (3), speed of cooling is less than 0.5k per second; The pressure that step (5) interalloy bears is 1.5-5GPa; Speed of rotation per minute 2 ~ 5 turns, rotates altogether 3-20 circle; Rolling temperature in step (8) is room temperature: the recrystallization temperature in step (9) is 1/3 ~ 1/4 of the fusing point of magnesium, time 3-20 minute.
As preferably, CO
250:1 ~ 100:1 with the scope of the volume ratio of SF6;
As preferably, the granularity average out to 60-120 nanometer of the silicon carbide adopted.
Useful effect:
It is matrix that the present invention adopts with magnesium, can give full play to its low-density advantage, make the density of this alloy low, should in the application in the field such as aerospace, automotive light weight technology.In the process of alloying, adopt less alloy element as far as possible, also can keep its low-density advantage; In order to improve its intensity, have employed rare earth element zirconium, neodymium, yttrium, strengthening to form rare-earth phase in magnesium copper alloy.
The present invention additionally uses the nano silicon carbide granulate of high strength as wild phase, and nanometer silicon carbide not only can play the effect of crystal grain thinning, and as the obstacle of dislocation motion, can stop the dislocation moving of metal, thus reinforced metal; Meanwhile, crystal grain thinning can play the effect improving alloy plasticity.
The present invention carries out ultrasonic disperse under adopting high temperature metal liquid state, efficiently solves nano particle and is difficult to finely dispersed problem in a metal.Ultrasonic disperse is used under liquid metal state, can be even by nanoparticulate dispersed, to solve the defect that in the technology such as conventional hybrid, stirring, nanoparticulate dispersed is bad.Adopt Slow cooling after melting, keep vacuum tightness simultaneously, the metallic vapor of magnesium can be made constantly to be drawn out of, reduce the content of magnesium in alloy, thus improve the volume fraction of nano particle in alloy, strengthen the effect of reinforced by nanoparticles further.
The present invention adopts high pressure torsion to carry out crystal grain thinning, and in the process applying high pressure twist distortion, crystal grain larger in alloy substrate is broken down into more tiny nanocrystal.In addition, the present invention also adopts asymmetrical rolling to process further material, this rolling method can crystal grain thinning further, and the uneven crystal grain of size can be formed at organization internal, this material structure can reach carries on the back work hardening greatly, and this is non-existent in the material of even grained or the material of conventional machining.The present invention adopts micro Process, multi-pass, is suitable for obtaining destination organization.The average crystal grain diameter of final alloy is generally below 80 nanometers, and according to Hall-join strange relation, crystal grain becomes tiny, and the intensity of alloy can be made higher, meanwhile, also can improve the plasticity of alloy.By magnesium copper alloy prepared by the present invention, yield strength when 400 degrees Celsius can reach more than 130MPa, can be applied to the field such as automobile, space flight and aviation.
embodiment
Describe preparation method of the present invention in detail below by embodiment, but be not construed as limiting the invention.
embodiment 1
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, silicon carbide are prepared burden, at CO according to the mass ratio of 86.3%, 1.5%, 2%, 0.8%, 1.4%, 8%
2with melting in the mixed gas of SF6, wherein CO
2100:1 with SF6 volume ratio; Add nano SiC in fusion process, maintain the temperature at 700 ° of C, adopt ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, speed of cooling 0.2k per second; Keep vacuumizing state in the process of cooling, low vacuum is in 4torr;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies 2GPa high pressure, and rotate pressure anvil to reverse alloy disks with the speed of per minute 2 turns, make it the deformation that is distorted, rotation 20 is enclosed altogether;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.1; Setting each rolling deformation amount is 8%; The speed of setting low speed roller is 0.5 meter per second;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (6) (7) process 25 times are repeated;
(9) full annealed thermal treatment is carried out at 200 degrees Celsius, 8 minutes time.
Carry out alloy composition analysis, result is: Copper mass fraction is 2.8%; Weight percent zirconia content is 3.5%; Neodymium massfraction is 1.6%; Yttrium weight percent content is 2.5%; The massfraction of nanometer silicon carbide is 15%; Surplus is magnesium.
embodiment 2
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, silicon carbide are prepared burden, at CO according to the mass ratio of 85.3%, 3%, 2%, 1.5%, 1.2%, 7%
2with melting in the mixed gas of SF6, wherein CO
280:1 with SF6 volume ratio; Add nano SiC in fusion process, maintain the temperature at 700 ° of C, adopt ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, speed of cooling 0.4k per second; Keep vacuumizing state, vacuum tightness 5torr in the process of cooling;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies 1.5GPa high pressure, and rotate pressure anvil to reverse alloy disks with the speed of per minute 3 turns, make it the deformation that is distorted, rotation 10 is enclosed altogether;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.3; Setting each rolling deformation amount is 2%; The speed of setting low speed roller is 2 meter per seconds;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (6) (7) process 25 times are repeated;
(9) full annealed thermal treatment is carried out at 190 degrees Celsius, 10 minutes time.
Carry out alloy composition analysis, result is: Copper mass fraction is 4.8%; Weight percent zirconia content is 3.4%; Neodymium massfraction is 2.3%; Yttrium weight percent content is 2.1%; The massfraction of nanometer silicon carbide is 12%; Surplus is magnesium.
embodiment 3
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, silicon carbide are prepared burden, at CO according to the mass ratio of 81.5%, 3%, 1.5%, 1%, 1%, 11%
2with melting in the mixed gas of SF6, wherein CO
250:1 with SF6 volume ratio; Add nano SiC in fusion process, maintain the temperature at 700 ° of C, adopt ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, speed of cooling 0.3k per second; Keep vacuumizing state, vacuum tightness 3torr in the process of cooling;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies 5GPa high pressure, and rotate pressure anvil to reverse alloy disks with the speed of per minute 5 turns, make it the deformation that is distorted, rotation 8 is enclosed altogether;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.1; Setting each rolling deformation amount is 1%; The speed of setting low speed roller is 0.5 meter per second;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (6) (7) process 20 times are repeated;
(9) full annealed thermal treatment is carried out at 170 degrees Celsius, 20 minutes time.
Carry out alloy composition analysis, result is: Copper mass fraction is 4.7%; Weight percent zirconia content is 2.6%; Neodymium massfraction is 1.8%; Yttrium weight percent content is 1.8%; The massfraction of nanometer silicon carbide is 23%; Surplus is magnesium.
embodiment 4
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, silicon carbide are prepared burden, at CO according to the mass ratio of 89.2%, 2%, 1%, 1%, 0.8%, 6%
2with melting in the mixed gas of SF6, wherein CO
250:1 with SF6 volume ratio; Add nano SiC in fusion process, maintain the temperature at 700 ° of C, adopt ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, speed of cooling 0.5k per second; Keep vacuumizing state, vacuum tightness 3torr in the process of cooling;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies 1.5GPa high pressure, and rotate pressure anvil to reverse alloy disks with the speed of per minute 2 turns, make it the deformation that is distorted, rotation 20 is enclosed altogether;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.4; Setting each rolling deformation amount is 3%; The speed of setting low speed roller is 2 meter per seconds;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (6) (7) process 23 times are repeated;
(9) full annealed thermal treatment is carried out at 180 degrees Celsius, 8 minutes time.
Carry out alloy composition analysis, result is: Copper mass fraction is 3.6%; Weight percent zirconia content is 1.8%; Neodymium massfraction is 1.9%; Yttrium weight percent content is 1.4%; The massfraction of nanometer silicon carbide is 13%; Surplus is magnesium.
embodiment 5
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, silicon carbide are prepared burden, at CO according to the mass ratio of 89.4%, 2%, 0.8%, 1%, 0.8%, 6%
2with melting in the mixed gas of SF6, wherein CO
280:1 with SF6 volume ratio; Add in fusion process and account for nano SiC, maintain the temperature at 700 ° of C, adopt ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, speed of cooling 0.2k per second; Keep vacuumizing state, vacuum tightness 4torr in the process of cooling;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies 5GPa high pressure, and rotate pressure anvil to reverse alloy disks with the speed of per minute 2 turns, make it the deformation that is distorted, rotation 3 is enclosed altogether;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.5; Setting each rolling deformation amount is 3%; The speed of setting low speed roller is 2 meter per seconds;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (6) (7) process 20 times are repeated;
(9) full annealed thermal treatment is carried out at 180 degrees Celsius, 3 minutes time.
Carry out alloy composition analysis, result is: Copper mass fraction is 3.6%; Weight percent zirconia content is 1.4%; Neodymium massfraction is 1.8%; Yttrium weight percent content is 1.4%; The massfraction of nanometer silicon carbide is 13%; Surplus is magnesium.
Performance Detection: carry out 400 degrees Celsius of tension tests, obtain the yield strength of alloy prepared by each embodiment; Adopt TEM (transmission electron microscope) analysis, obtain the crystal grain diameter of alloy; Result is as following table:
Can see from upper table, adopt the yield strength during alloy 400 degrees Celsius of the magnesium copper alloy prepared of the present invention can reach more than 130MPa, higher than prior art level.
The above is only some examples of embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention; some improvements and modifications can also be made; these improvements and modifications also should be considered as protection scope of the present invention; such as, some other alloying element can be added in the alloy again, to improve its performance.
Claims (7)
1. a magnesium copper alloy for having excellent high-temperature strength, is characterized in that: this magnesium copper alloy contains magnesium, copper, zirconium, neodymium, yttrium and silicon carbide, and its content is Copper mass fraction is 2-5%; Weight percent zirconia content is 1-5%; Neodymium massfraction is 1-3%; Yttrium weight percent content is 1-3%; The massfraction of nanometer silicon carbide is 10-25%; Surplus is magnesium; In alloy, the mean diameter of silicon carbide is below 200 nanometers, and the average crystal grain of magnesium copper alloy is below 80 nanometers.
2. magnesium copper alloy as claimed in claim 1, its manufacture method comprises following steps:
(1) prepare raw material: the high purity magnesium, copper, zirconium, neodymium, the yttrium that prepare purity more than 99.9%, and median size is the nano SiC of below 200 nanometers;
(2) molten alloy: magnesium, copper, zirconium, neodymium, yttrium, SiC are pressed certain mass mark batching, and melting in protective atmosphere, adds nano SiC in fusion process, maintains the temperature at 700 ° of C, adopts ultrasonic method to disperse;
(3) involutory ingot carries out Slow cooling, and keep vacuumizing state in the process of cooling, low vacuum is in 5torr;
(4), after cooling, alloy pig is processed into discoid;
(5) space that the groove coarse-grain alloy disks that step (4) processes being put into upper and lower two pressure anvils is formed, alloy applies high pressure, and rotates pressure anvil to reverse alloy disks, makes it the deformation that is distorted;
(6) start Multi-functional rolling system, the speed ratio of setting top and bottom rolls, speed ratio is 1.1-1.5; Setting each rolling deformation amount is 1-8%; The speed of setting low speed roller is 0.5-2 meter per second;
(7) start main driving motor, start the operation of rolling;
(8), after treating a rolling, (2) (3) process more than 15 times is repeated;
(9) full annealed thermal treatment is carried out.
3. the preparation method of magnesium copper alloy as claimed in claim 2, is characterized in that: shielding gas is CO
2with the mixed gas of SF6.
4. the preparation method of magnesium copper alloy as claimed in claim 2, is characterized in that: speed of cooling is less than 0.5k per second.
5. the preparation method of magnesium copper alloy as claimed in claim 2, is characterized in that: the pressure that alloy bears is 1.5-5GPa, speed of rotation per minute 2 ~ 5 turns.
6. the preparation method of magnesium copper alloy as claimed in claim 2, is characterized in that: in step (2), the atomic ratio of magnesium and copper is 3 ~ 6:1.
7. magnesium copper alloy preparation method as claimed in claim 2, is characterized in that: described rolling temperature is room temperature.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821360A (en) * | 2016-03-25 | 2016-08-03 | 中国科学院力学研究所 | Preparation method for improving strength and stretch plasticity of metallic titanium |
| CN106591627A (en) * | 2016-12-31 | 2017-04-26 | 镇江市丹徒区硕源材料科技有限公司 | High-strength shape memory alloy and preparing method and application thereof |
| CN112063940A (en) * | 2020-09-23 | 2020-12-11 | 燕山大学 | Method for improving strength of rare earth magnesium alloy |
| CN117778842A (en) * | 2023-12-25 | 2024-03-29 | 鞍钢股份有限公司 | High-performance rare earth magnesium alloy cold-rolled sheet strip and preparation method thereof |
-
2016
- 2016-01-15 CN CN201610026098.7A patent/CN105420574A/en active Pending
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| 潘复生 张津 张喜燕等编著: "《轻合金材料新技术》", 31 January 2008 * |
| 祖国胤 主编: "《层状金属复合材料制备理论与技术》", 31 December 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821360A (en) * | 2016-03-25 | 2016-08-03 | 中国科学院力学研究所 | Preparation method for improving strength and stretch plasticity of metallic titanium |
| CN106591627A (en) * | 2016-12-31 | 2017-04-26 | 镇江市丹徒区硕源材料科技有限公司 | High-strength shape memory alloy and preparing method and application thereof |
| CN112063940A (en) * | 2020-09-23 | 2020-12-11 | 燕山大学 | Method for improving strength of rare earth magnesium alloy |
| CN117778842A (en) * | 2023-12-25 | 2024-03-29 | 鞍钢股份有限公司 | High-performance rare earth magnesium alloy cold-rolled sheet strip and preparation method thereof |
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