CN115198153A - High-plasticity high-thermal-conductivity cast magnesium alloy and preparation method thereof - Google Patents
High-plasticity high-thermal-conductivity cast magnesium alloy and preparation method thereof Download PDFInfo
- Publication number
- CN115198153A CN115198153A CN202210662885.6A CN202210662885A CN115198153A CN 115198153 A CN115198153 A CN 115198153A CN 202210662885 A CN202210662885 A CN 202210662885A CN 115198153 A CN115198153 A CN 115198153A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- thermal
- plasticity
- cast magnesium
- conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
-
- 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
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the technical field of alloy material preparation, and particularly relates to a high-plasticity high-heat-conductivity cast magnesium alloy and a preparation method thereof. The magnesium alloy comprises the following components in percentage by weight: ga:0 to 2%, ce:0 to 1.5 percent, and the balance of Mg and inevitable impurities. The elongation of the alloy at room temperature reaches 19-23%, and the thermal conductivity at room temperature is higher than 110W/(m.K). Meanwhile, the series of alloys have simple preparation process, do not need heat treatment and are easy to popularize and apply.
Description
Technical Field
The invention belongs to the technical field of alloy material preparation, and particularly relates to a high-plasticity high-thermal-conductivity cast magnesium alloy and a preparation method thereof.
Background
The magnesium alloy is used as the lightest metal structure material in the current practical application, and has the advantages of high specific strength and specific rigidity, good damping and vibration attenuation performance, strong heat conduction capability and the like.
With the rapid development of the fields of aerospace, 3C electronics, LEDs and the like, the requirements on the mechanical property and the heat dissipation of related materials are higher and higher; however, the existing magnesium alloy generally has the problem that the heat-conducting property and the mechanical property are difficult to synchronously improve, the mechanical property of most of the alloy is obviously improved after the alloy is alloyed, but the heat-conducting property is obviously reduced. Although pure magnesium has good thermal conductivity, its strength and plasticity are extremely low, limiting its wide application. Therefore, the development of magnesium alloy with both mechanical property and thermal conductivity is of great significance. The patent 202010135525.1 discloses a high-thermal-conductivity magnesium alloy and a preparation method thereof, the method contains a large amount of elements such as Zn, sb, al, mn and the like besides Ce, and a magnesium alloy material with the thermal conductivity of more than 120W/(m.K) is obtained, but the room-temperature elongation is about 10%, and the wider application of the magnesium alloy is limited. In addition, the alloy needs to be annealed, which affects the production efficiency; the traditional casting magnesium alloys such as AZ91, AM60, AM50A and the like have good mechanical properties, but the thermal conductivity is low, so that the application of the prior art cannot be met.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides the cast magnesium alloy with low cost, simple process, high plasticity and good heat conductivity and the preparation method thereof. The addition of low-content Ga plays roles in grain refinement and solid solution strengthening, improves the strength of the alloy and has small influence on the thermal conductivity of the alloy; the heat conductivity of the alloy can be improved to a certain extent by adding Ce on the premise of ensuring the mechanical property of the alloy.
In order to achieve the purpose, the invention provides a high-plasticity high-heat-conductivity cast magnesium alloy which is characterized by comprising the following raw materials in percentage by weight: ga:0-3%, ce:0-2%, the balance being Mg and unavoidable impurities;
the Ce is added into the magnesium alloy preparation process in the form of Mg-20Ce intermediate alloy.
Further, the magnesium alloy comprises the following raw materials in percentage by weight: ga:0-2.5%, ce:0-1.5%, and the balance of Mg and inevitable impurities.
Further, the magnesium alloy comprises the following raw materials in percentage by weight: ga:0-2.0%, ce:0-1.0%, and the balance of Mg and inevitable impurities.
Based on the same inventive concept, the embodiment of the invention also provides a preparation method of the high-plasticity high-heat-conductivity cast magnesium alloy, which comprises the following steps:
s1: mixing pure Mg, pure Ga and Mg-Ce intermediate alloy according to weight percentage;
s2: heating a smelting container, adding a smelting flux, heating after the flux is molten, and sequentially adding a magnesium ingot, pure Ga and Mg-Ce intermediate alloy for refining;
s3: cooling and stirring after refining, and then heating and standing to precipitate slag;
s4: and cooling, deslagging and immediately casting to obtain the cast magnesium alloy.
Further, the smelting fusing agent is RJ-2 fusing agent.
Further, the temperature in the temperature rise process in the step S2 is 780 ℃, and the refining process parameters are as follows: the temperature is 780 ℃ and the time is 12-18min.
Further, the step S3 specifically includes:
cooling to 700-720 ℃ after refining is finished, and stirring for 8-12min;
then heating to 780 ℃ and standing for 8-12min to precipitate slag.
Further, the temperature is reduced to 720 ℃ in the deslagging process.
Further, sulfur powder is uniformly scattered 10cm above a sprue in the casting process to prevent oxidation and combustion.
Has the beneficial effects that:
according to the invention, ga and Ce are added into the magnesium alloy, so that the magnesium alloy can play a role in refining grains and strengthening, the strength of the alloy is improved, the thermal conductivity of the alloy is improved to a certain extent on the basis of ensuring the mechanical property of the magnesium alloy, the thermal conductivity is above 110W/(m.K), and the content of alloy elements is low. The magnesium alloy has the elongation of 19-22%, does not need heat treatment and has simple preparation process.
Drawings
FIG. 1 is an as-cast structure view (SEM) of a magnesium alloy obtained in example 1 of the present invention;
FIG. 2 is an as-cast structure view (SEM) of a magnesium alloy obtained in example 2 of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is made with reference to specific embodiments and drawings, but the scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.
Unless otherwise specifically indicated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by existing methods.
Example 1
The embodiment relates to a high-plasticity high-thermal-conductivity cast magnesium alloy, which comprises the following components in percentage by mass: 2wt.% Ga, balance Mg.
The preparation process comprises the following steps: heating the bottom of a No. 45 steel crucible to a red hot state, then spreading RJ-2 flux on the bottom, starting to put magnesium ingots when flux powder is converted into a liquid phase and the temperature is raised to 780 ℃, then adding Mg ingots filled with liquid Ga, and refining for 15 minutes at 780 ℃ after all metals are molten; after the refining is finished, closing the resistance furnace, cooling the melt to 700-720 ℃, and stirring for 8-12 minutes; after stirring, opening the resistance furnace, heating to 780 ℃, standing for 10 minutes to enable slag to be precipitated at the bottom of the crucible; and cooling to 720 ℃ to remove slag, removing slag which is easy to flow along with the melt at a casting gate, an inner wall and the surface of the melt, and immediately casting to obtain Mg-2wt.% Ga alloy. The alloy of this example had a tensile strength of 191.8MPa, an elongation of 22.9%, and a thermal conductivity of 114.2W/(m.K), and its as-cast structure diagram is shown in FIG. 1.
Example 2
The embodiment relates to a high-plasticity high-thermal-conductivity cast magnesium alloy, which comprises the following components in percentage by mass: 2wt.% Ga,0.4wt.% Ce, balance Mg.
The preparation process comprises the following steps: heating the bottom of a No. 45 crucible to be red, then spreading RJ-2 covering agent on the bottom, starting to put magnesium ingots when the powder of the covering agent is converted into liquid phase and the temperature is raised to 780 ℃, putting the magnesium ingots with liquid Ga after the magnesium ingots are melted, and finally putting Mg-Ce intermediate alloy after all metals are melted. Refining at 780 deg.C for 15 min; after the refining stage is finished, closing the resistance furnace, cooling the melt to 700-720 ℃, and stirring for 8-12 minutes; after stirring, opening the resistance furnace, heating to 780 ℃, and standing for 10 minutes to precipitate slag at the bottom of the crucible; and cooling to 720 ℃ to remove slag, removing slag which easily flows along with the melt at a sprue gate, an inner wall and the surface of the melt, and immediately casting to obtain the Mg-2wt.% Ga-0.4wt.% Ce alloy. The alloy of this example had a tensile strength of 186.8MPa, an elongation of 19.4%, and a thermal conductivity of 118.1W/(m.K), and its as-cast structure diagram is shown in FIG. 2.
Example 3
The embodiment relates to a high-plasticity high-thermal-conductivity cast magnesium alloy, which comprises the following components in percentage by mass: 2wt.% Ga,0.8wt.% Ce, balance Mg.
The preparation process comprises the following steps: heating the bottom of a No. 45 crucible to be red, then spreading RJ-2 covering agent on the bottom, starting to put magnesium ingots when the powder of the covering agent is converted into liquid phase and the temperature is raised to 780 ℃, putting the magnesium ingots with liquid Ga after the magnesium ingots are melted, and finally putting Mg-Ce intermediate alloy after all metals are melted. Refining at 780 deg.C for 15 min; after the refining stage is finished, closing the resistance furnace, reducing the temperature of the melt to 700-720 ℃, and stirring for 8-12 minutes; after stirring, opening the resistance furnace, heating to 780 ℃, and standing for 10 minutes to precipitate slag at the bottom of the crucible; and cooling to 720 ℃ to remove slag, removing slag which easily flows along with the melt at a sprue gate, an inner wall and the surface of the melt, and immediately casting to obtain the Mg-2wt.% Ga-0.8wt.% Ce alloy. The alloy of the embodiment has the tensile strength of 180.4MPa, the elongation of 19.2 percent and the thermal conductivity of 121.5W/(m.K)
The mechanical properties and thermal conductivities of the magnesium alloys obtained in the first to third examples and the conventional magnesium alloys ZK51A and AZ91 are compared, and the results are shown in table 1.
TABLE 1 Property data sheet of magnesium alloy material
As can be seen from Table 1, compared with the existing commercial magnesium alloys ZK51A and AZ91 alloy, the magnesium alloy prepared by the invention has obvious advantages in elongation and thermal conductivity.
The invention provides a high-plasticity high-thermal conductivity cast magnesium alloy and a preparation method thereof, wherein the magnesium alloy comprises the following raw materials in percentage by weight: ga:0 to 2%, ce:0 to 1 percent, and the balance of Mg and inevitable impurities. By adding Ga element into Mg, the prepared magnesium alloy is ensured to have uniform microstructure and smaller grain size, and the plasticity of the alloy can be obviously improved; and the heat conductivity of the alloy is improved to a certain extent by further adding Ce on the premise of ensuring plasticity.
The above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical scope of the present invention, and equivalents and modifications of the technical solutions and concepts of the present invention should be covered by the scope of the present invention.
Claims (9)
1. The high-plasticity high-heat-conductivity cast magnesium alloy is characterized by comprising the following raw materials in percentage by weight: ga:0-3%, ce:0-2%, the balance being Mg and unavoidable impurities;
the Ce is added into the magnesium alloy preparation process in the form of Mg-20Ce intermediate alloy.
2. The high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 1, wherein the magnesium alloy comprises the following raw materials in percentage by weight: ga:0-2.5%, ce:0 to 1.5 percent, and the balance of Mg and inevitable impurities.
3. The high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 1, wherein the magnesium alloy comprises the following raw materials in percentage by weight: ga:0-2.0%, ce:0-1.0%, and the balance of Mg and inevitable impurities.
4. The preparation method of the high-plasticity high-thermal-conductivity cast magnesium alloy is characterized by specifically comprising the following steps of:
s1: mixing pure Mg, pure Ga and Mg-Ce intermediate alloy according to weight percentage;
s2: heating a smelting container, adding a smelting flux, heating after the flux is molten, and sequentially adding a magnesium ingot, pure Ga and Mg-Ce intermediate alloy for refining;
s3: cooling and stirring after refining, and then heating and standing to precipitate slag;
s4: and cooling, deslagging and immediately casting to obtain the cast magnesium alloy.
5. The method for preparing the high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 4, wherein the smelting flux is RJ-2 flux.
6. The method for preparing the high-plasticity high-heat-conductivity cast magnesium alloy according to claim 4, wherein the temperature in the temperature raising process in the step S2 is 780 ℃, and the refining process parameters are as follows: the temperature is 780 ℃ and the time is 12-18min.
7. The method for preparing the high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 4, wherein the step S3 specifically comprises the following steps:
cooling to 700-720 ℃ after refining is finished, and stirring for 8-12min;
then heating to 780 ℃ and standing for 8-12min to precipitate slag.
8. The method for preparing the high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 4, wherein the temperature is reduced to 720 ℃ in the deslagging process.
9. The method for preparing the high-plasticity high-thermal-conductivity cast magnesium alloy according to claim 4, wherein sulfur powder is uniformly scattered 10cm above a pouring gate in the casting process to prevent oxidation and combustion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662885.6A CN115198153B (en) | 2022-06-13 | 2022-06-13 | High-plasticity high-heat-conductivity cast magnesium alloy and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210662885.6A CN115198153B (en) | 2022-06-13 | 2022-06-13 | High-plasticity high-heat-conductivity cast magnesium alloy and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115198153A true CN115198153A (en) | 2022-10-18 |
| CN115198153B CN115198153B (en) | 2023-06-27 |
Family
ID=83576513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210662885.6A Active CN115198153B (en) | 2022-06-13 | 2022-06-13 | High-plasticity high-heat-conductivity cast magnesium alloy and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115198153B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU352729A1 (en) * | Г. Н. Смирнов, В. П. Курочкина , П. Адно Московский вечерний металлургический институт | ALL-UNION I | ||
| JPH0641701A (en) * | 1991-09-06 | 1994-02-15 | Takeshi Masumoto | High strength amorphous magnesium alloy and its manufacture |
| CN102586662A (en) * | 2011-01-14 | 2012-07-18 | 三井金属矿业株式会社 | Magnesium alloy with high thermal conductivity for die-casting |
| CN102719716A (en) * | 2012-05-28 | 2012-10-10 | 哈尔滨工业大学 | Heat conduction magnesium alloy and preparation method thereof |
| CN104046867A (en) * | 2014-06-26 | 2014-09-17 | 宝山钢铁股份有限公司 | High-plasticity heat-conducting magnesium alloy and preparation method thereof |
| CN104451311A (en) * | 2014-11-28 | 2015-03-25 | 沈阳工业大学 | Magnesium alloy with high mechanical properties and preparation method of magnesium alloy |
| CN104651689A (en) * | 2015-02-28 | 2015-05-27 | 重庆大学 | High thermal conductivity magnesium alloy used under high temperature and preparation method thereof |
| CN105525172A (en) * | 2014-11-13 | 2016-04-27 | 比亚迪股份有限公司 | Magnesium alloy as well as preparation method thereof and application thereof |
| CN105779838A (en) * | 2014-12-17 | 2016-07-20 | 宝山钢铁股份有限公司 | High-thermal-conductivity die-casting magnesium alloy and preparation technology thereof |
| WO2017068332A1 (en) * | 2015-10-19 | 2017-04-27 | Brunel University | A casting magnesium alloy for providing improved thermal conductivity |
| CN107964617A (en) * | 2017-12-01 | 2018-04-27 | 朱旭 | A kind of high-strength magnesium alloy and preparation method thereof |
| CN109161750A (en) * | 2018-09-11 | 2019-01-08 | 中国科学院金属研究所 | A kind of biological medical degradable magnesium alloy and preparation method with antibacterial functions |
| KR20190031099A (en) * | 2017-09-15 | 2019-03-25 | 엘지전자 주식회사 | High thermal conductivity magnesium alloy and heat sink using the same |
| CN111455246A (en) * | 2020-03-02 | 2020-07-28 | 华南理工大学 | High-thermal-conductivity magnesium alloy and preparation method thereof |
| WO2021131205A1 (en) * | 2019-12-23 | 2021-07-01 | 住友電気工業株式会社 | Magnesium alloy plate and magnesium alloy coil material |
-
2022
- 2022-06-13 CN CN202210662885.6A patent/CN115198153B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU352729A1 (en) * | Г. Н. Смирнов, В. П. Курочкина , П. Адно Московский вечерний металлургический институт | ALL-UNION I | ||
| JPH0641701A (en) * | 1991-09-06 | 1994-02-15 | Takeshi Masumoto | High strength amorphous magnesium alloy and its manufacture |
| CN102586662A (en) * | 2011-01-14 | 2012-07-18 | 三井金属矿业株式会社 | Magnesium alloy with high thermal conductivity for die-casting |
| CN102719716A (en) * | 2012-05-28 | 2012-10-10 | 哈尔滨工业大学 | Heat conduction magnesium alloy and preparation method thereof |
| CN104046867A (en) * | 2014-06-26 | 2014-09-17 | 宝山钢铁股份有限公司 | High-plasticity heat-conducting magnesium alloy and preparation method thereof |
| CN105525172A (en) * | 2014-11-13 | 2016-04-27 | 比亚迪股份有限公司 | Magnesium alloy as well as preparation method thereof and application thereof |
| CN104451311A (en) * | 2014-11-28 | 2015-03-25 | 沈阳工业大学 | Magnesium alloy with high mechanical properties and preparation method of magnesium alloy |
| CN105779838A (en) * | 2014-12-17 | 2016-07-20 | 宝山钢铁股份有限公司 | High-thermal-conductivity die-casting magnesium alloy and preparation technology thereof |
| CN104651689A (en) * | 2015-02-28 | 2015-05-27 | 重庆大学 | High thermal conductivity magnesium alloy used under high temperature and preparation method thereof |
| WO2017068332A1 (en) * | 2015-10-19 | 2017-04-27 | Brunel University | A casting magnesium alloy for providing improved thermal conductivity |
| KR20190031099A (en) * | 2017-09-15 | 2019-03-25 | 엘지전자 주식회사 | High thermal conductivity magnesium alloy and heat sink using the same |
| CN107964617A (en) * | 2017-12-01 | 2018-04-27 | 朱旭 | A kind of high-strength magnesium alloy and preparation method thereof |
| CN109161750A (en) * | 2018-09-11 | 2019-01-08 | 中国科学院金属研究所 | A kind of biological medical degradable magnesium alloy and preparation method with antibacterial functions |
| WO2021131205A1 (en) * | 2019-12-23 | 2021-07-01 | 住友電気工業株式会社 | Magnesium alloy plate and magnesium alloy coil material |
| CN111455246A (en) * | 2020-03-02 | 2020-07-28 | 华南理工大学 | High-thermal-conductivity magnesium alloy and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 朱伟俊: "Ga合金化对Mg及Mg-Zn系铸造合金组织与性能的影响", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
| 朱伟俊: "Ga合金化对Mg及Mg-Zn系铸造合金组织与性能的影响", 《中国优秀硕士学位论文全文数据库 工程科技I辑》, no. 07, 15 July 2020 (2020-07-15), pages 14 - 15 * |
| 陈燕飞等: "固溶处理对Mg-Ce合金耐腐蚀性能的影响", 《机械工程材料》 * |
| 陈燕飞等: "固溶处理对Mg-Ce合金耐腐蚀性能的影响", 《机械工程材料》, vol. 46, no. 3, 20 March 2022 (2022-03-20), pages 39 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115198153B (en) | 2023-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112143945B (en) | High-strength and high-toughness cast aluminum-silicon alloy containing multiple composite rare earth elements and preparation method thereof | |
| CN103290265B (en) | Die-cast zinc alloy with high flowability and preparation method thereof | |
| CN105088033A (en) | Aluminium alloy and preparation method thereof | |
| CN107447144B (en) | A kind of heat-resistant rare earth aluminium alloy and preparation method thereof | |
| CN107587012B (en) | A kind of lightweight casting Al-Si-Li alloy material and preparation method thereof | |
| CN108913962A (en) | A kind of die casting high thermal conductivity aluminium alloy and its heat treatment method | |
| CN111172435A (en) | Process method for casting aluminum-silicon alloy by modifying rare earth | |
| CN114015914B (en) | High-strength high-thermal-conductivity die-casting aluminum alloy material and preparation method thereof | |
| CN107828999A (en) | The heat treatment method and die-cast aluminum alloy material of a kind of pack alloy | |
| CN113862531A (en) | Aluminum alloy and preparation method thereof | |
| CN109750191A (en) | A kind of die casting high-strength and high ductility high thermal conductivity aluminium alloy | |
| CN111690844A (en) | Eutectic Al-Fe-Mn-Si-Mg die casting alloy and preparation method and application thereof | |
| CN109536798A (en) | A kind of antiflaming magnesium alloy and its preparation method and application | |
| WO2018099272A1 (en) | Semisolid die-casting aluminum alloy and method for preparing semisolid die-casting aluminum alloy castings | |
| CN115198153B (en) | High-plasticity high-heat-conductivity cast magnesium alloy and preparation method thereof | |
| CN103305737B (en) | Grain refinement type cast magnesium alloy and preparation method thereof | |
| CN104451311A (en) | Magnesium alloy with high mechanical properties and preparation method of magnesium alloy | |
| CN112359255B (en) | High-strength low-heat-cracking magnesium alloy | |
| CN109266886A (en) | The thinning method of compound phase between a kind of including Mn-Fe Al-alloy metal | |
| CN108048699A (en) | A kind of preparation method of the corrosion-resistant pack alloy containing neodymium and cerium | |
| CN115491558A (en) | Die-casting magnesium alloy and preparation method and application thereof | |
| CN107604228A (en) | Corrosion-resistant diecast magnesium alloy of high heat conduction and preparation method thereof | |
| WO2020103227A1 (en) | Rare earth magnesium alloy material having high heat dissipation performance and preparation method therefor | |
| CN107058769B (en) | A kind of preparation method of ZL105A aluminium alloy | |
| JP2022539416A (en) | ALUMINUM ALLOY, METHOD FOR MANUFACTURING THE SAME, AND STRUCTURAL MEMBER OF ALUMINUM ALLOY |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |