CN115948669A - Intermediate alloy containing zirconium and magnesium, production method and use thereof - Google Patents
Intermediate alloy containing zirconium and magnesium, production method and use thereof Download PDFInfo
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- CN115948669A CN115948669A CN202310063240.5A CN202310063240A CN115948669A CN 115948669 A CN115948669 A CN 115948669A CN 202310063240 A CN202310063240 A CN 202310063240A CN 115948669 A CN115948669 A CN 115948669A
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- magnesium
- chloride
- zirconium
- production method
- rare earth
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 56
- 239000000956 alloy Substances 0.000 title claims abstract description 56
- 239000011777 magnesium Substances 0.000 title claims abstract description 56
- 229910052749 magnesium Inorganic materials 0.000 title claims abstract description 56
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 53
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 49
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 16
- 239000011261 inert gas Substances 0.000 claims description 16
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 15
- 235000011164 potassium chloride Nutrition 0.000 claims description 14
- 239000001103 potassium chloride Substances 0.000 claims description 14
- 239000011780 sodium chloride Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 238000007670 refining Methods 0.000 claims description 10
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 6
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 4
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 4
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 229910052786 argon Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- QRNPTSGPQSOPQK-UHFFFAOYSA-N magnesium zirconium Chemical compound [Mg].[Zr] QRNPTSGPQSOPQK-UHFFFAOYSA-N 0.000 description 4
- 229910052754 neon Inorganic materials 0.000 description 4
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 4
- 229910000636 Ce alloy Inorganic materials 0.000 description 3
- WMOHXRDWCVHXGS-UHFFFAOYSA-N [La].[Ce] Chemical compound [La].[Ce] WMOHXRDWCVHXGS-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001036 glow-discharge mass spectrometry Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052743 krypton Inorganic materials 0.000 description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- -1 rare earth chloride Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a zirconium and magnesium-containing intermediate alloy, a production method and application thereof. The production method comprises the following steps: forming magnesium and metal RE into rare earth-magnesium alloy liquid in the presence of protective gas; reacting the chloride particles with the rare earth-magnesium alloy liquid in the presence of protective gas to obtain the intermediate alloy containing zirconium and magnesium. The production method of the invention can effectively reduce the grain diameter of zirconium particles in the intermediate alloy.
Description
Technical Field
The invention relates to a zirconium and magnesium containing master alloy and a production method and application thereof.
Background
The magnesium alloy has excellent performance and is widely applied in various fields. It has been found that the addition of zirconium to magnesium alloys enables the grains of the magnesium alloys to be refined. The zirconium points are preferentially separated out in the process of magnesium alloy crystallization, and the zirconium points have the same close-packed hexagonal lattice structure and close lattice constant as magnesium, so that the zirconium points can be used as the core of heterogeneous nucleation during alloy crystallization, the casting structure of the alloy is effectively refined, and the uniformity of the structure and the stability of the performance are improved.
CN114182130A discloses a refining agent for magnesium alloy. The refining agent comprises the following components in percentage by mass: caCl 2 15～40％、BaCl 2 13～25％、NaCl 0～10％、CaF 2 1-10%, ti/Zr powder 0-6%, K 2 TiF 6 /K 2 ZrF 6 0 to 10 percent and the balance of KCl. The composition contains a large amount of salt components, and is used as a refining agent without forming an intermediate alloy.
CN108048718A discloses a production method of a magnesium-zirconium intermediate alloy. In CO 2 And SF 6 In the formed mixed gas, zirconium chloride is added into the molten metal magnesium step by step to obtain the magnesium-zirconium intermediate alloy. The method aims to solve the problem of uneven distribution of zirconium in the magnesium-zirconium intermediate alloy, and the particle size of zirconium particles in the obtained magnesium-zirconium intermediate alloy is large, so that when the zirconium particles are added into molten magnesium as the intermediate alloy, the zirconium particles can be settled to the bottom of the molten magnesium, and the improvement of the use efficiency of zirconium is not facilitated.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method for producing an intermediate alloy containing zirconium and magnesium. The production method can effectively reduce the grain diameter of zirconium grains in the intermediate alloy. Further, the method can reduce the salt content in the master alloy.
Another object of the present invention is to provide a master alloy containing zirconium and magnesium.
It is a further object of the present invention to provide the use of a master alloy containing zirconium and magnesium.
The above object is achieved by the following technical solutions.
In one aspect, the present invention provides a method for producing a zirconium and magnesium-containing master alloy, comprising the steps of:
in the presence of protective gas, magnesium and metal RE form rare earth-magnesium alloy liquid; reacting chloride particles with rare earth-magnesium alloy liquid in the presence of protective gas to obtain intermediate alloy containing zirconium and magnesium;
wherein the chloride particles comprise the following components:
20 to 80 weight percent of zirconium chloride,
10 to 40wt% of potassium chloride, and
10 to 40 weight percent of sodium chloride;
wherein the metal RE is one or more selected from lanthanum, cerium, praseodymium or neodymium.
According to the production method of the present invention, preferably, the chloride particles are obtained by melting, pouring and crushing a mixture including zirconium chloride, potassium chloride and sodium chloride.
According to the production method of the present invention, preferably, the particle size of the chloride granules is 0.1 to 0.5mm.
According to the production method of the present invention, preferably, the shielding gas comprises an inert gas and SF in a volume ratio of (15-25): 1 6 。
According to the production method of the present invention, preferably, magnesium is used in an amount of 50 to 150 parts by weight, metal RE is used in an amount of 14 to 35 parts by weight, and chloride particles are used in an amount of 75 to 250 parts by weight.
According to the production method of the present invention, preferably, the metal RE is added to the molten magnesium under stirring; after the metal RE is completely added into the melt magnesium, continuously stirring for 10-120 min to obtain rare earth-magnesium alloy liquid;
wherein the rotating speed of the stirring equipment for stirring the melt magnesium is 100-300 r/min.
According to the production method of the invention, preferably, chloride particles are added into the rare earth-magnesium alloy liquid under stirring to react for 30-150 min; wherein the rotating speed of a stirring device for stirring the rare earth-magnesium alloy liquid is 100-300 r/min.
According to the production method of the present invention, it is preferable to further comprise a step of refining a reaction product obtained by reacting the chloride particles with the rare earth-magnesium alloy liquid with an inert gas.
In another aspect, the present invention provides a zirconium and magnesium containing master alloy obtained by the above production method.
In a further aspect, the present invention provides the use of an intermediate alloy comprising zirconium and magnesium as described above in the preparation of a magnesium alloy.
The production method of the invention can reduce the grain diameter of zirconium grains in the intermediate alloy. When the intermediate alloy is applied to the preparation process of magnesium alloy, the sedimentation speed of zirconium particles in magnesium melt is low, and the utilization rate of zirconium can be improved.
Detailed Description
The present invention will be further described with reference to the following specific examples, but the scope of the present invention is not limited thereto.
< production method of intermediate alloy containing zirconium and magnesium >
The master alloy of the present invention contains zirconium and magnesium. The production method of the master alloy comprises the following steps: forming magnesium and metal RE into rare earth-magnesium alloy liquid in the presence of protective gas; reacting the chloride particles with the rare earth-magnesium alloy liquid in the presence of protective gas to obtain the intermediate alloy containing zirconium and magnesium. As described in detail below.
The protective gas of the present invention contains an inert gas and SF 6 . In certain embodiments, the shielding gas is composed of an inert gas and SF 6 And (4) forming. The inert gas is selected from one or more of helium, neon, argon, krypton and xenon. Preferably, the inert gas is selected from one or more of helium, neon or argon. More preferably, the inert gas is argon.
Inert gas and SF 6 The volume ratio of (15-25) to (1); preferably (17-22) 1; more preferably (19 to 20): 1.
According to one embodiment of the present invention, a protective gas is introduced into the reaction apparatus to allow the reaction system to react in a protective gas atmosphere. The reaction apparatus may be a furnace. The flow rate of the protective gas introduced into the reaction equipment can be 5-40 mL/min; preferably 10-30 mL/min; more preferably 15 to 20mL/min.
The amount of magnesium may be 50 to 150 parts by weight; preferably 70 to 130 parts by weight; more preferably 75 to 105 parts by weight.
The magnesium may be used in the form of molten magnesium. The temperature of the melt magnesium can be 650-830 ℃; preferably 700 to 800 ℃; more preferably 740 to 780 ℃. Therefore, the fused mass magnesium can fully react with the metal RE, the volatilization of raw materials can be reduced, and the yield and the safety are improved.
The metal RE is one or more selected from lanthanum, cerium, praseodymium or neodymium. The metal RE can be a simple metal or an alloy. In certain embodiments, the metal RE is selected from one of lanthanum, cerium, or neodymium. In other embodiments, the metal RE is a lanthanum cerium alloy. The mass ratio of lanthanum element to cerium element in the lanthanum-cerium alloy can be (0.5-2.5): 1; preferably (1-2) 1; more preferably (1.25-1.75): 1.
The metal RE can be used in an amount of 14 to 35 parts by weight; preferably 16 to 30 parts by weight; more preferably 20 to 27 parts by weight.
In certain embodiments, metal RE is added to the molten magnesium to obtain a rare earth-magnesium alloy liquid. Preferably, the metal RE is added to the molten magnesium while stirring. The rotating speed of the stirring equipment for stirring the melt magnesium can be 100-300 r/min; preferably 150 to 200r/min. According to one embodiment of the invention, after the metal RE is completely added into the molten magnesium, the mixture is continuously stirred for 10-120 min to obtain the rare earth-magnesium alloy liquid. Preferably, the time for continuing stirring is 20-100 min; more preferably, the stirring is continued for 30 to 60min.
The chloride granules of the present invention comprise the following components: zirconium chloride, potassium chloride and sodium chloride. In certain embodiments, the chloride particles consist of zirconium chloride, potassium chloride, and sodium chloride. This enables the size of the zirconium particles in the master alloy to be reduced.
The content of zirconium chloride is 20-80 wt%; preferably 30 to 70wt%; more preferably 35 to 60wt%.
The content of potassium chloride is 10-40 wt%; preferably 20 to 30wt%; more preferably 18 to 26wt%.
The content of sodium chloride is 10-40 wt%; preferably 20 to 30wt%; more preferably 18 to 26wt%.
Controlling the contents of zirconium chloride, potassium chloride and sodium chloride within the above ranges enables the particle size of the zirconium particles in the master alloy to be reduced.
The present invention is not limited to the shape of the chloride particles. The chloride particles may be round, triangular, rectangular, cylindrical, irregular, etc. The particle size of the chloride particles can be 0.1-0.5 mm; preferably 0.15-0.4 mm; more preferably 0.15 to 0.3mm. This enables the size of the zirconium particles in the master alloy to be reduced.
The chloride granules of the invention can be obtained from a mixture comprising zirconium chloride, potassium chloride and sodium chloride by melting, pouring and crushing. Preferably, the mixture consists of zirconium chloride, potassium chloride and sodium chloride. This enables the size of the zirconium particles in the master alloy to be reduced.
The chloride particles may be used in an amount of 75 to 250 parts by weight; preferably 85 to 220 parts by weight; more preferably 100 to 160 parts by weight; most preferably 100 to 140 parts by weight.
In certain embodiments, chloride particles are added to the rare earth-magnesium alloy liquid for reaction. Preferably, chloride particles are added to the rare earth-magnesium alloy liquid which is stirred for reaction. In the process, the rare earth element in the rare earth-magnesium alloy liquid and zirconium chloride are subjected to reduction reaction to form zirconium and rare earth chloride.
The reaction time can be 30-150 min; preferably 40-120 min; more preferably 50 to 100min.
The rotating speed of the stirring equipment for stirring the rare earth-magnesium alloy liquid can be 100-300 r/min; preferably 120 to 260r/min; more preferably 150 to 220r/min.
In certain embodiments, there is further included the step of refining a reaction product obtained by reacting the chloride particles with the rare earth-magnesium alloy liquid with an inert gas. The inert gas is selected from one or more of helium, neon, argon, krypton and xenon. Preferably, the inert gas is selected from one or more of helium, neon or argon. According to one embodiment of the invention, the inert gas is argon.
Specifically, carrying out suspension blowing refining on a reaction product by using inert gas; then removing the impurities on the surface of the reaction product to obtain the intermediate alloy liquid. And pouring the intermediate alloy liquid to obtain the intermediate alloy containing zirconium and magnesium.
The flow rate of the inert gas can be 2-40 mL/min; preferably 5-30 mL/min; more preferably 10 to 20mL/min.
The refining time can be 5-60 min; preferably 10-40 min; more preferably 20 to 30min.
< intermediate alloy containing zirconium and magnesium >
The intermediate alloy containing zirconium and magnesium of the invention is obtained by the production method. The average grain diameter of zirconium grains in the intermediate alloy containing zirconium and magnesium is less than or equal to 900nm; preferably, less than or equal to 800nm; more preferably, 600nm or less. In certain embodiments, the zirconium particles have an average particle size of 550 to 600nm.
The content of chloride ions in the master alloy containing zirconium and coal is less than or equal to 150ppm; preferably, less than or equal to 110ppm; more preferably, 100ppm or less. In certain embodiments, the chloride ion content is from 85 to 110ppm.
< use of intermediate alloy containing zirconium and magnesium >
The intermediate alloy containing zirconium and magnesium can be used as the intermediate alloy in the magnesium alloy manufacturing process, and can play a role in refining magnesium alloy grains. Therefore, the invention provides the application of the intermediate alloy containing zirconium and magnesium in preparing magnesium alloy. Preferably, the master alloy containing zirconium and magnesium of the present invention is used as a grain refiner for magnesium alloys.
Preparation examples 1 to 3
A mixture consisting of zirconium chloride, potassium chloride and sodium chloride is provided. The mixture was melted to obtain a molten mixture. The molten mixture was cast and then crushed to give chloride granules having a particle size of 0.15 mm.
The contents of zirconium chloride, potassium chloride and sodium chloride in the mixture are specifically shown in table 1.
TABLE 1
| Zirconium chloride (wt%) | Potassium chloride (wt%) | Sodium chloride (wt%) | |
| Preparation example 1 | 50 | 25 | 25 |
| Preparation example 2 | 60 | 20 | 20 |
| Preparation example 3 | 40 | 30 | 30 |
Examples 1 to 4
Argon gas and SF in a volume ratio of 19 6 The protective gas of the composition was introduced into the reaction apparatus (furnace) at a flow rate of 15 mL/min.
Adding metal RE into the molten magnesium in stirring, wherein the rotating speed of a stirring device for stirring the molten magnesium is 150r/min; after the metal RE is completely added into the melt magnesium, the melt is continuously stirredMagnesium t 1 And (5) obtaining the rare earth-magnesium alloy liquid.
And adding chloride particles into the stirred rare earth-magnesium alloy liquid for reaction to obtain a reaction product.
Argon is adopted to carry out suspension blowing refining on the reaction product; then removing the floating impurities on the surface of the reaction product to obtain the intermediate alloy liquid. And pouring the intermediate alloy liquid to obtain the intermediate alloy.
The average particle size of zirconium particles in the intermediate alloy is detected by the following specific method:
and observing the polished alloy sample with a smooth surface and performing area analysis by using a high-resolution field emission scanning electron microscope, and completing the calibration of the particle size of the zirconium particles by using the functions of an EDS (electronic data System) energy spectrum and an electron microscope scale. And meanwhile, the statistical analysis of the particle size of the zirconium particles in the scanning electron microscope image area is completed by combining software ImagePro, and average particle size data is obtained.
Detecting the content of chloride ions in the master alloy by using Glow Discharge Mass Spectrometry (GDMS).
Specific parameters are shown in table 2. The average particle diameter of the zirconium particles and the content of chloride ions are shown in table 2.
TABLE 2
Note: in the lanthanum-cerium alloy, the mass ratio of lanthanum element to cerium element is 0.75.
The present invention is not limited to the above-described embodiments, and any variations, modifications, and alterations that may occur to those skilled in the art may fall within the scope of the present invention without departing from the spirit of the present invention.
Claims (10)
1. A method for producing an intermediate alloy containing zirconium and magnesium, characterized by comprising the steps of:
in the presence of protective gas, magnesium and metal RE form rare earth-magnesium alloy liquid; reacting chloride particles with rare earth-magnesium alloy liquid in the presence of protective gas to obtain intermediate alloy containing zirconium and magnesium;
wherein the chloride particles comprise the following components:
20 to 80 weight percent of zirconium chloride,
10 to 40wt% of potassium chloride, and
10 to 40 weight percent of sodium chloride;
wherein the metal RE is one or more selected from lanthanum, cerium, praseodymium or neodymium.
2. The production method according to claim 1, characterized in that the chloride granules are obtained by melting, pouring and crushing a mixture comprising zirconium chloride, potassium chloride and sodium chloride.
3. The production method according to claim 1 or 2, wherein the particle size of the chloride particles is 0.1 to 0.5mm.
4. The production method according to claim 1, wherein the protective gas comprises an inert gas and SF at a volume ratio of (15-25): 1 6 。
5. The production method as claimed in claim 1, wherein the magnesium is used in an amount of 50 to 150 parts by weight, the metal RE is used in an amount of 14 to 35 parts by weight, and the chloride particles are used in an amount of 75 to 250 parts by weight.
6. The production method according to claim 1, wherein the metal RE is added to the molten magnesium under stirring; after the metal RE is completely added into the melt magnesium, continuously stirring for 10-120 min to obtain rare earth-magnesium alloy liquid;
wherein the rotating speed of the stirring equipment for stirring the melt magnesium is 100-300 r/min.
7. The production method according to claim 1, wherein the chloride particles are added to the stirred rare earth-magnesium alloy liquid to react for 30 to 150min; wherein the rotating speed of a stirring device for stirring the rare earth-magnesium alloy liquid is 100-300 r/min.
8. The production method according to claim 1, further comprising a step of refining a reaction product obtained by reacting the chloride particles with the rare earth-magnesium alloy liquid with an inert gas.
9. An intermediate alloy containing zirconium and magnesium, characterized in that it is obtained by the production method according to any one of claims 1 to 8.
10. Use of a zirconium and magnesium containing master alloy according to claim 9 in the preparation of a magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310063240.5A CN115948669A (en) | 2023-01-19 | 2023-01-19 | Intermediate alloy containing zirconium and magnesium, production method and use thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234552C2 (en) * | 2002-09-11 | 2004-08-20 | Открытое акционерное общество "Соликамский магниевый завод" | Method of production of magnesium-zirconium-rare-earth metal alloys |
| CN104928516A (en) * | 2015-06-16 | 2015-09-23 | 上海交通大学 | Zirconium refinement method for magnesium alloy crystalline grains |
| CN105385863A (en) * | 2015-11-23 | 2016-03-09 | 上海航天精密机械研究所 | Method for manufacturing magnesium-zirconium intermediate alloy through ultrasonic treatment |
| CN106893912A (en) * | 2017-02-27 | 2017-06-27 | 广东省材料与加工研究所 | A kind of magnesium alloy grain refining agent and preparation method thereof |
| CN108048718A (en) * | 2017-10-23 | 2018-05-18 | 中国科学院包头稀土研发中心 | The production method of Mg-Zr intermediate alloy |
-
2023
- 2023-01-19 CN CN202310063240.5A patent/CN115948669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234552C2 (en) * | 2002-09-11 | 2004-08-20 | Открытое акционерное общество "Соликамский магниевый завод" | Method of production of magnesium-zirconium-rare-earth metal alloys |
| CN104928516A (en) * | 2015-06-16 | 2015-09-23 | 上海交通大学 | Zirconium refinement method for magnesium alloy crystalline grains |
| CN105385863A (en) * | 2015-11-23 | 2016-03-09 | 上海航天精密机械研究所 | Method for manufacturing magnesium-zirconium intermediate alloy through ultrasonic treatment |
| CN106893912A (en) * | 2017-02-27 | 2017-06-27 | 广东省材料与加工研究所 | A kind of magnesium alloy grain refining agent and preparation method thereof |
| CN108048718A (en) * | 2017-10-23 | 2018-05-18 | 中国科学院包头稀土研发中心 | The production method of Mg-Zr intermediate alloy |
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