CN114182148A - Multicomponent Mg-RE magnesium alloy and its prepn - Google Patents
Multicomponent Mg-RE magnesium alloy and its prepn Download PDFInfo
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- CN114182148A CN114182148A CN202111488942.5A CN202111488942A CN114182148A CN 114182148 A CN114182148 A CN 114182148A CN 202111488942 A CN202111488942 A CN 202111488942A CN 114182148 A CN114182148 A CN 114182148A
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- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 49
- 239000000956 alloy Substances 0.000 claims abstract description 39
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 38
- 239000011777 magnesium Substances 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 16
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 15
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 15
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 14
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 238000003723 Smelting Methods 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 20
- 238000003756 stirring Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 16
- 238000007670 refining Methods 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- 230000001680 brushing effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000011253 protective coating Substances 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 6
- 238000004512 die casting Methods 0.000 claims description 4
- 238000009749 continuous casting Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 238000002360 preparation method Methods 0.000 abstract description 9
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 abstract description 5
- 230000000295 complement effect Effects 0.000 abstract description 3
- 229910052582 BN Inorganic materials 0.000 description 7
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- 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
- C22C23/06—Alloys based on magnesium with a rare earth metal as the next major constituent
-
- 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
-
- 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
Abstract
The invention discloses a multi-component Mg-RE series magnesium alloy, which comprises the following components: 0.8 to 3.0 weight percent of La, 1.6 to 5.4 weight percent of Ce, 0.5 to 4.0 weight percent of Al, 0.4 to 1.5 weight percent of Zn, 0.1 to 2.0 weight percent of Ca, 0.1 to 0.8 weight percent of Mn and the balance of Mg. The invention also discloses a preparation method of the multi-component Mg-RE series magnesium alloy. The magnesium alloy of the invention fully exerts the functions of different alloy elements to form the effect of complementary functions, thereby obtaining the rare earth magnesium alloy with excellent comprehensive mechanical property and corrosion resistance and low cost.
Description
Technical Field
The invention belongs to the technical field of alloy materials, and particularly relates to a multi-component Mg-RE series magnesium alloy and a preparation method thereof.
Background
The magnesium alloy is known as '21 st century green engineering material', and has the following characteristics:
1. the density is small, the density of magnesium alloy is 1/4 of iron and 2/3 of aluminum, which is the lightest of common metal structural materials.
2. Compared with other traditional metal materials, the magnesium alloy has the advantages of light specific gravity, high specific strength and specific rigidity, good electromagnetic shielding capability and the like.
3. Compared with the fiber-based composite material, the magnesium alloy has the advantages of good mechanical property, ageing resistance, electric conduction and heat conduction performance, easiness in recycling and the like.
4. Compared with metal materials such as steel, aluminum alloy and the like, the magnesium alloy has the characteristics of stable forming size and excellent cutting processing performance, and can greatly reduce material consumption and processing time.
5. The magnesium alloy has high heat dissipation, low melting energy consumption and high solidification speed, and can greatly reduce the weight of the automobile and the exhaust emission and improve the fuel efficiency by replacing materials such as steel, aluminum alloy and the like.
Therefore, the magnesium alloy has wide development space in the fields of aerospace, military materials, traffic electronics and the like. Magnesium alloys are now in a high-speed development stage, and among them, AZ91D and AM60B are widely used as representatives of conventional wrought magnesium alloys for low-temperature-use parts such as automobiles and electronic products.
However, the current commercial magnesium alloy has the defects of low strength, low use temperature, easy corrosion and the like, and the popularization and the development of the magnesium alloy are seriously restricted. Researchers have therefore begun to look at heat resistant magnesium alloys with higher strength and good high temperature properties as their own direction of research. The rare earth is used as a main alloy element in the magnesium alloy, so that the bonding force among magnesium alloy atoms can be enhanced, the atomic diffusion speed is reduced, the room temperature performance, the high temperature performance, the heat resistance and the corrosion resistance of the alloy can be obviously improved, and the performance improvement of the rare earth element on the magnesium alloy cannot be replaced by other elements.
At present, no research and application report about multi-component, low-cost and high-performance rare earth magnesium alloy exists.
Disclosure of Invention
The invention aims to provide a multi-component Mg-RE series magnesium alloy and a preparation method thereof, wherein the magnesium alloy fully plays the roles of different alloy elements to form the effect of complementary functions, and further obtains the rare earth magnesium alloy with excellent comprehensive mechanical property and corrosion resistance and low cost.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the multicomponent Mg-RE series magnesium alloy comprises: 0.8 to 3.0 weight percent of La, 1.6 to 5.4 weight percent of Ce, 0.5 to 4.0 weight percent of Al, 0.4 to 1.5 weight percent of Zn, 0.1 to 2.0 weight percent of Ca, 0.1 to 0.8 weight percent of Mn and the balance of Mg.
Preferably, the multi-component Mg-RE magnesium alloy is Mg-La-Ce-Al-Zn-Ca-Mn alloy.
The preparation method of the multicomponent Mg-RE series magnesium alloy comprises the following steps:
weighing metal raw materials according to set components, wherein the metal raw materials comprise: 0.8-3.0 wt% of metal La, 1.6-5.4 wt% of metal Ce, 0.5-4.0 wt% of metal Al, 0.4-1.5 wt% of metal Zn, 0.1-2.0 wt% of metal Ca, 0.1-0.8 wt% of metal Mn and the balance of metal Mg;
putting the raw materials into a resistance furnace, introducing mixed protective gas, heating to 720 ℃ and 740 ℃, and smelting alloy in the resistance furnace;
introducing Ar gas into the melt, refining at the temperature of 720-740 ℃, and casting into a multi-component Mg-RE series magnesium alloy ingot at the temperature of 690-710 ℃.
Further, putting magnesium metal into a stainless steel crucible, introducing mixed protective gas, heating to 690-700 ℃, respectively adding La, Ce, Al, Ca and Mn, continuously heating to 720-740 ℃, and fully stirring; after stirring is finished, introducing Ar gas into the melt at the temperature of 720-740 ℃ to carry out refining treatment; refining for 10-20 min, and standing for 20-30 min; cooling to 690 and 710 ℃ to cast a multicomponent Mg-RE series magnesium alloy ingot.
Further, before alloy smelting, crushing the raw materials and drying; and brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Further, the purity of metal Mg is 99.95%, the purity of metal La is 99.0%, the purity of metal Ce is 99.0%, the purity of metal Al is 99.95%, the purity of metal Zn is 99.95%, the purity of metal Ca is 99.5%, and the purity of metal Mn is 99.5%.
Further, the mixed protective gas is SF6And N2The mixed gas of (1).
Further, the concentration of the mixed shielding gas is 0.2%.
Further, the casting manner is metal mold casting, die casting, or continuous casting.
The invention has the technical effects that:
1. according to the invention, through reasonably adding or adjusting alloy elements and content, the effects of different alloy elements are fully exerted, and the effect of complementary effects is formed, so that the rare earth magnesium alloy with excellent comprehensive mechanical property and corrosion resistance and low cost is obtained.
According to the invention, through adjusting the contents of La, Ce, Al, Zn and Ca and adding a certain content of Mn, a magnesium alloy resistance furnace is adopted for smelting, and cast ingots with good comprehensive mechanical properties and corrosion resistance are directly cast.
2. The Mg-La-Ce-Al-Zn-Ca-Mn alloy is prepared by a common casting method, has good casting performance, processing performance, comprehensive mechanical property and corrosion resistance, is simple in preparation method and low in cost, and is suitable for being widely applied in the fields of automobiles, traffic, 3C, aerospace and the like.
3. The alloy can be used as a high-strength corrosion-resistant magnesium alloy, and is simple in preparation conditions, low in cost and suitable for industrial production and large-scale application.
Detailed Description
The following description sufficiently illustrates specific embodiments of the invention to enable those skilled in the art to practice and reproduce it.
The preparation method of the multicomponent Mg-RE series magnesium alloy comprises the following steps:
step 1: weighing metal raw materials according to set components;
the metal raw materials of the components are set to comprise the following components in percentage by mass: 0.8-3.0 wt% of La, 1.6-5.4 wt% of Ce, 0.5-4.0 wt% of Al, 0.4-1.5 wt% of Zn, 0.1-2.0 wt% of Ca, 0.1-0.8 wt% of Mn and the balance of Mg, wherein the total mass is 100 wt%.
The purity of metal Mg is 99.95%, the purity of metal La is 99.0%, the purity of metal Ce is 99.0%, the purity of metal Al is 99.95%, the purity of metal Zn is 99.95%, the purity of metal Ca is 99.5%, and the purity of metal Mn is 99.5%.
Step 2: putting the raw materials into a resistance furnace, and smelting alloy in the resistance furnace;
before alloy smelting, crushing raw materials to a proper size, and then drying; checking whether the gas path of the protective gas is smooth, and setting the concentration of the mixed protective gas to be 0.2%; and (3) brushing a BN (boron nitride) protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Step 21: putting the magnesium ingot into a stainless steel crucible, introducing mixed protective gas, heating to 690-plus-700 ℃, respectively adding metals La, Ce, Al, Ca and Mn, continuously heating to 720-plus-740 ℃, and fully stirring;
the mixed protective gas is SF6And N2The mixed gas of (1).
Step 22: after stirring is finished, introducing Ar gas into the melt at the temperature of 720-740 ℃ to carry out refining treatment; refining for 10-20 min, and standing for 20-30 min.
Step 23: cooling to 690 and 710 ℃ to cast a multicomponent Mg-RE series magnesium alloy ingot.
The casting mode is metal mold casting, die casting or continuous casting.
The multicomponent Mg-RE magnesium alloy is Mg-La-Ce-Al-Zn-Ca-Mn alloy, and comprises the following components: 0.8 to 3.0 weight percent of La, 1.6 to 5.4 weight percent of Ce, 0.5 to 4.0 weight percent of Al, 0.4 to 1.5 weight percent of Zn, 0.1 to 2.0 weight percent of Ca, 0.1 to 0.8 weight percent of Mn and the balance of Mg.
Example 1
1. Weighing the following components in percentage by mass: 1.5 percent of La, 3.0 percent of Ce, 1.0 percent of Al, 0.9 percent of Zn, 0.6 percent of Ca, 0.25 percent of Mn and the balance of Mg, and the total mass is 100 percent.
2. And brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Before smelting the alloy, crushing the raw materials to a proper size, and then drying. Checking whether the gas path of the protective gas is smooth or not, and setting the concentration of the mixed protective gas to be 0.2%.
3. Smelting alloy in a resistance furnace: placing the dried magnesium ingot into a stainless steel crucible, introducing mixed protective gas, heating to 690-700 ℃, respectively adding the dried La, Ce, Al, Ca and Mn, continuously heating to 720-740 ℃, and fully stirring; after stirring is finished, introducing Ar gas into the melt for refining treatment under the conditions of 720-740; refining for 10-20 min, and then standing; standing for 20-30 minutes, and then cooling to 690-710 ℃ to cast an alloy ingot.
Example 2
1. Weighing the following components in percentage by mass: 3.0% of La, 1.5% of Ce, 1.0% of Al, 0.9% of Zn, 0.6% of Ca, 0.25% of Mn and the balance of Mg, wherein the total mass is 100%.
2. And brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Before smelting the alloy, crushing the raw materials to a proper size, and then drying. Checking whether the gas path of the protective gas is smooth or not, and setting the concentration of the mixed protective gas to be 0.2%.
3. Smelting alloy in a resistance furnace: placing the dried magnesium ingot into a stainless steel crucible, introducing mixed protective gas, heating to 690-700 ℃, respectively adding the dried La, Ce, Al, Ca and Mn, continuously heating to 720-740 ℃, and fully stirring; after stirring is finished, introducing Ar gas into the melt for refining treatment under the conditions of 720-740; refining for 10-20 min, and then standing; standing for 20-30 minutes, and then cooling to 690-710 ℃ to cast an alloy ingot.
Example 3
1. Weighing the following components in percentage by mass: 1.5 percent of La, 3.0 percent of Ce, 3.0 percent of Al, 0.6 percent of Zn, 0.3 percent of Ca, 0.25 percent of Mn and the balance of Mg, and the total mass is 100 percent.
2. And brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Before smelting the alloy, crushing the raw materials to a proper size, and then drying. Checking whether the gas path of the protective gas is smooth or not, and setting the concentration of the mixed protective gas to be 0.2%.
3. Smelting alloy in a resistance furnace: placing the dried magnesium ingot into a stainless steel crucible, introducing mixed protective gas, heating to 690-700 ℃, respectively adding the dried La, Ce, Al, Ca and Mn, continuously heating to 720-740 ℃, and fully stirring; after stirring is finished, introducing Ar gas into the melt for refining treatment under the conditions of 720-740; refining for 10-20 min, and then standing; standing for 20-30 minutes, and then cooling to 690-710 ℃ to cast an alloy ingot.
Example 4
1. Weighing the following components in percentage by mass: 1.5 percent of La, 3.0 percent of Ce, 3.0 percent of Al, 0.6 percent of Zn, 0.3 percent of Ca, 0.25 percent of Mn and the balance of Mg, and the total mass is 100 percent.
2. And brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
Before smelting the alloy, crushing the raw materials to a proper size, and then drying. Checking whether the gas path of the protective gas is smooth or not, and setting the concentration of the mixed protective gas to be 0.2%.
3. Smelting alloy in a resistance furnace: placing the dried magnesium ingot into a stainless steel crucible, introducing mixed protective gas, heating to 690-700 ℃, respectively adding the dried La, Ce, Al, Ca and Mn, continuously heating to 720-740 ℃, and fully stirring; after stirring is finished, introducing Ar gas into the melt for refining treatment under the conditions of 720-740; refining for 10-20 min, and then standing; standing for 20-30 minutes, and then cooling to 690-710 ℃ to cast an alloy ingot.
The alloy ingots of examples 1-4 were subjected to sample preparation, and various properties thereof were measured and compared with AZ91D alloy and AE44 alloy prepared by the same melting process, including room temperature tensile strength, elongation, and corrosion weight loss rate of salt spray corrosion. The results are shown in Table 1.
TABLE 1 comparison of the Properties of inventive examples 1, 2, 3, 4 with AZ91D alloy and AE44 alloy
As can be seen from Table 1, compared with the prior AZ91D alloy and AE44 alloy, the Mg-La-Ce-Al-Zn-Ca-Mn alloy of the invention has higher strength, the plasticity of the alloy is improved, and the Mg-La-Ce-Al-Zn-Ca-Mn alloy has higher comprehensive mechanical property and corrosion resistance equivalent to that of the AZ91D alloy. Furthermore, the alloys of the present invention have flame retardant properties during the manufacturing process compared to AZ91D alloy and AE44 alloy. Is beneficial to the preparation of the alloy and the control of the cost.
The terminology used herein is for the purpose of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (9)
1. A multicomponent Mg-RE series magnesium alloy is characterized by comprising: 0.8 to 3.0 weight percent of La, 1.6 to 5.4 weight percent of Ce, 0.5 to 4.0 weight percent of Al, 0.4 to 1.5 weight percent of Zn, 0.1 to 2.0 weight percent of Ca, 0.1 to 0.8 weight percent of Mn and the balance of Mg.
2. The multi-element Mg-RE series magnesium alloy according to claim 1, wherein the multi-element Mg-RE series magnesium alloy is an Mg-La-Ce-Al-Zn-Ca-Mn alloy.
3. The method for producing the multicomponent Mg-RE series magnesium alloy according to claim 1, comprising:
weighing metal raw materials according to set components, wherein the metal raw materials comprise: 0.8-3.0 wt% of metal La, 1.6-5.4 wt% of metal Ce, 0.5-4.0 wt% of metal Al, 0.4-1.5 wt% of metal Zn, 0.1-2.0 wt% of metal Ca, 0.1-0.8 wt% of metal Mn and the balance of metal Mg;
putting the raw materials into a resistance furnace, introducing mixed protective gas, heating to 720 ℃ and 740 ℃, and smelting alloy in the resistance furnace;
introducing Ar gas into the melt, refining at the temperature of 720-740 ℃, and casting into a multi-component Mg-RE series magnesium alloy ingot at the temperature of 690-710 ℃.
4. The method for preparing the multicomponent Mg-RE series magnesium alloy as claimed in claim 3, wherein the magnesium metal is put into a stainless steel crucible and mixed shielding gas is introduced, the temperature is raised to 690-700 ℃, the metals La, Ce, Al, Ca and Mn are respectively added, the temperature is continuously raised to 720-740 ℃, and the mixture is fully stirred; after stirring is finished, introducing Ar gas into the melt at the temperature of 720-740 ℃ to carry out refining treatment; refining for 10-20 min, and standing for 20-30 min; cooling to 690 and 710 ℃ to cast a multicomponent Mg-RE series magnesium alloy ingot.
5. The method for producing a multicomponent Mg-RE series magnesium alloy according to claim 3, wherein before melting the alloy, the raw material is crushed and dried; and brushing a BN protective coating on the crucible, the stirring paddle, the smelting tool and the ingot mold.
6. The method for producing a multicomponent Mg-RE series magnesium alloy according to claim 3, wherein the purity of metallic Mg is 99.95%, the purity of metallic La is 99.0%, the purity of metallic Ce is 99.0%, the purity of metallic Al is 99.95%, the purity of metallic Zn is 99.95%, the purity of metallic Ca is 99.5%, and the purity of metallic Mn is 99.5%.
7. The method for producing a multicomponent Mg-RE series magnesium alloy according to claim 3, wherein the mixed shielding gas is SF6And N2The mixed gas of (1).
8. The method for producing a multicomponent Mg-RE series magnesium alloy according to claim 3, wherein the mixed shielding gas concentration is 0.2%.
9. The method for producing a multicomponent Mg-RE series magnesium alloy according to claim 3, wherein the casting is die casting, die casting or continuous casting.
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Cited By (2)
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CN115449682A (en) * | 2022-09-28 | 2022-12-09 | 广东汇天航空航天科技有限公司 | Magnesium-based alloy compounded by rare earth and alkaline earth elements and preparation method thereof |
CN115449682B (en) * | 2022-09-28 | 2024-04-26 | 广东汇天航空航天科技有限公司 | Rare earth and alkaline earth element compounded magnesium-based alloy and preparation method thereof |
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CN113025858A (en) * | 2021-03-05 | 2021-06-25 | 吉林大学 | Mg-Al-Zn magnesium alloy with refined matrix phase and eutectic phase as well as preparation method and application thereof |
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CN115449682A (en) * | 2022-09-28 | 2022-12-09 | 广东汇天航空航天科技有限公司 | Magnesium-based alloy compounded by rare earth and alkaline earth elements and preparation method thereof |
CN115449682B (en) * | 2022-09-28 | 2024-04-26 | 广东汇天航空航天科技有限公司 | Rare earth and alkaline earth element compounded magnesium-based alloy and preparation method thereof |
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