CN111218589A - High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof - Google Patents
High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof Download PDFInfo
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- CN111218589A CN111218589A CN202010150360.5A CN202010150360A CN111218589A CN 111218589 A CN111218589 A CN 111218589A CN 202010150360 A CN202010150360 A CN 202010150360A CN 111218589 A CN111218589 A CN 111218589A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
- C22C21/04—Modified aluminium-silicon alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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Abstract
The invention discloses a high-thermal-conductivity die-casting aluminum alloy material and a preparation method thereof, wherein the high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass: the invention prepares die casting by adjusting the contents of Si, Fe, Sr and the like in aluminum liquid, the thermal conductivity of the die casting is improved after aging treatment, the thermal conductivity of the die casting aluminum alloy material reaches above 160W/mk, the heat dissipation effect of a communication structural member product is improved, meanwhile, the tensile strength, the yield strength and the like are improved in the aspects of strength, and the service life of the product can be prolonged.
Description
Technical Field
The invention relates to the technical field of aluminum alloy heat conduction materials, in particular to a high-heat-conduction die-casting aluminum alloy material and a preparation method thereof.
Background
Today with continuous technological progress, the communication industry is rapidly developed, and the technology from 2G and 3G to 4G is widely applied, and then the technology research and development of 5G network brings wider market for the die casting industry, but also puts forward higher requirements.
Because communication base station inner structure integrates the degree more and more high, and the heat that work produced is also more and more high, in order to solve the heat and to components and parts influence, just also more and more high to all electronic components's of installation casing heat dissipation requirements. The improvement of the heat dissipation area and the heat conductivity of the product is an effective way for improving the heat dissipation performance of the product, the height of the heat dissipation fins with high heat dissipation blades is continuously challenging for new height, the height is improved from about 10mm in the past to about 80mm in the present, the defects of poor product forming, serious cold shut and the like are brought, the weight of the product is increased, and the cost is increased. The heat conductivity of the aluminum material can meet the requirement of high heat dissipation of the product from another aspect, but the heat conductivity of the existing die-casting aluminum alloy material is only about 110-130W/mk, and the heat conductivity of the existing die-casting aluminum alloy material cannot meet the requirement of high heat dissipation of components.
Disclosure of Invention
The invention aims to provide a high-thermal-conductivity die-casting aluminum alloy material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the invention also provides a preparation method of the high-thermal-conductivity die-casting aluminum alloy material, which comprises the following steps,
s1) weighing the components in parts by weight;
s2) mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Ca, Sn, Ti and Al uniformly, and smelting to obtain molten aluminum;
s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature for 20min, and taking out to obtain a pre-product;
s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
As a further optimization, the melting temperature in S2 is greater than 750 ℃.
As a further optimization, the insulation temperature in S3 is greater than 750 ℃.
As a further optimization, the aging treatment temperature in S4 is 250 ℃ and the time is 3-5 h.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat conductivity of the die-casting aluminum alloy material reaches more than 160W/mk, so that the heat dissipation effect of a communication structural part product can be obviously improved;
2. the invention improves the strength such as tensile strength, yield strength and the like, and can prolong the service life of the product.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Example 1
A high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the preparation method comprises the following steps: s1) weighing the components in parts by weight; s2) uniformly mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Ca, Sn, Ti and Al, and smelting at 755 ℃ to obtain molten aluminum; s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature at 755 ℃, keeping the temperature for 20min, and taking out to obtain a pre-product; s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy at 250 ℃ for 3h, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
Example 2
A high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the preparation method comprises the following steps: s1) weighing the components in parts by weight; s2) uniformly mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Ca, Ti and Al, and smelting at the smelting temperature of 760 ℃ to obtain molten aluminum; s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature at 760 ℃, keeping the temperature for 20min, and taking out to obtain a pre-product; s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy at 250 ℃ for 5h, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
Example 3
A high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the preparation method comprises the following steps: s1) weighing the components in parts by weight; s2) uniformly mixing Si, Fe, Cu, Mn, Zn, Pb, Ca, Sn, Ti and Al, and smelting at 755 ℃ to obtain molten aluminum; s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature at 755 ℃, keeping the temperature for 20min, and taking out to obtain a pre-product; s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy at 250 ℃ for 3h, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
Example 4
A high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the preparation method comprises the following steps: s1) weighing the components in parts by weight; s2) uniformly mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Ca, Sn, Ti and Al, and smelting at the smelting temperature of 760 ℃ to obtain molten aluminum; s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature at 760 ℃, keeping the temperature for 20min, and taking out to obtain a pre-product; s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy at 250 ℃ for 3h, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
Example 5
A high-thermal-conductivity die-casting aluminum alloy material comprises the following components in parts by mass,
the preparation method comprises the following steps: s1) weighing the components in parts by weight; s2) uniformly mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Sn, Ti and Al, and smelting at the smelting temperature of 760 ℃ to obtain molten aluminum; s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature at 760 ℃, keeping the temperature for 20min, and taking out to obtain a pre-product; s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy at 250 ℃ for 5h, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
Application examples
The high-thermal-conductivity die-casting aluminum alloy materials obtained in the embodiments 1 to 5 are subjected to performance tests, and the test standards are as follows: the test data are shown in the following table,
the above table shows that the high-thermal-conductivity die-casting aluminum alloy material can enable the thermal conductivity of the product to reach more than 160W/mk, and the heat dissipation effect of the high-thermal-conductivity die-casting aluminum alloy material applied to communication structural member products is obviously improved; the strength is improved, the tensile strength reaches more than 230N/mm, the yield strength reaches more than 120N/mm, the elongation reaches more than 2.5 percent, and the service life of the product can be prolonged.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (5)
1. The high-heat-conductivity die-casting aluminum alloy material is characterized by comprising the following components in parts by mass,
2. the preparation method of the high-thermal-conductivity die-casting aluminum alloy material according to claim 1, which comprises the following steps,
s1) weighing the components in parts by weight;
s2) mixing Si, Fe, Cu, Mn, Zn, Ni, Pb, Ca, Sn, Ti and Al uniformly, and smelting to obtain molten aluminum;
s3) adding Sr into the aluminum liquid for modification treatment, keeping the temperature for 20min, and taking out to obtain a pre-product;
s4) die-casting the pre-product into aluminum alloy, carrying out aging treatment on the aluminum alloy, and cooling to obtain the high-thermal-conductivity die-casting aluminum alloy material.
3. The preparation method of the high-heat-conductivity die-casting aluminum alloy material as claimed in claim 2, wherein the melting temperature in S2 is more than 750 ℃.
4. The method for preparing the high-thermal-conductivity die-casting aluminum alloy material according to claim 2, wherein the heat preservation temperature in S3 is more than 750 ℃.
5. The preparation method of the high-thermal-conductivity die-casting aluminum alloy material as claimed in claim 2, wherein the aging treatment temperature in S4 is 250 ℃ and the time is 3-5 h.
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| CN202010150360.5A CN111218589A (en) | 2020-03-06 | 2020-03-06 | High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522648A (en) * | 2020-12-29 | 2021-03-19 | 重庆慧鼎华创信息科技有限公司 | Process method for improving heat conductivity of die-casting aluminum alloy |
| CN113136507A (en) * | 2021-03-24 | 2021-07-20 | 中铝材料应用研究院有限公司 | High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof |
| CN113462932A (en) * | 2021-07-05 | 2021-10-01 | 南昌航空大学 | High-thermal-conductivity aluminum alloy material for semi-solid rheocasting and preparation method thereof |
| EP4170051A4 (en) * | 2020-06-18 | 2023-05-10 | BYD Company Limited | Aluminum alloy, preparation method therefor and application thereof |
| EP4206342A4 (en) * | 2020-08-27 | 2023-07-05 | BYD Company Limited | Aluminum alloy and use thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108546853A (en) * | 2018-07-16 | 2018-09-18 | 山东华宇合金材料有限公司 | A kind of novel high heat conduction die-cast aluminum alloy material and preparation method thereof |
| CN108866459A (en) * | 2018-06-25 | 2018-11-23 | 广州致远新材料科技有限公司 | A kind of heat treatment method of aluminum alloy materials |
| CN108950323A (en) * | 2018-08-15 | 2018-12-07 | 深圳市欣茂鑫实业有限公司 | A kind of high thermal conductivity cast aluminium alloy gold |
| CN109306413A (en) * | 2018-11-07 | 2019-02-05 | 深圳市博锐专利新技术服务有限公司 | A kind of die-cast aluminum alloy material and its preparation method and application of high intensity high thermal conductivity |
| CN109706355A (en) * | 2019-03-12 | 2019-05-03 | 苏州春兴精工股份有限公司 | A kind of high thermal conductivity die-cast aluminum alloy material and preparation method thereof |
-
2020
- 2020-03-06 CN CN202010150360.5A patent/CN111218589A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108866459A (en) * | 2018-06-25 | 2018-11-23 | 广州致远新材料科技有限公司 | A kind of heat treatment method of aluminum alloy materials |
| CN108546853A (en) * | 2018-07-16 | 2018-09-18 | 山东华宇合金材料有限公司 | A kind of novel high heat conduction die-cast aluminum alloy material and preparation method thereof |
| CN108950323A (en) * | 2018-08-15 | 2018-12-07 | 深圳市欣茂鑫实业有限公司 | A kind of high thermal conductivity cast aluminium alloy gold |
| CN109306413A (en) * | 2018-11-07 | 2019-02-05 | 深圳市博锐专利新技术服务有限公司 | A kind of die-cast aluminum alloy material and its preparation method and application of high intensity high thermal conductivity |
| CN109706355A (en) * | 2019-03-12 | 2019-05-03 | 苏州春兴精工股份有限公司 | A kind of high thermal conductivity die-cast aluminum alloy material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4170051A4 (en) * | 2020-06-18 | 2023-05-10 | BYD Company Limited | Aluminum alloy, preparation method therefor and application thereof |
| EP4206342A4 (en) * | 2020-08-27 | 2023-07-05 | BYD Company Limited | Aluminum alloy and use thereof |
| CN112522648A (en) * | 2020-12-29 | 2021-03-19 | 重庆慧鼎华创信息科技有限公司 | Process method for improving heat conductivity of die-casting aluminum alloy |
| CN113136507A (en) * | 2021-03-24 | 2021-07-20 | 中铝材料应用研究院有限公司 | High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof |
| CN113136507B (en) * | 2021-03-24 | 2022-08-12 | 中铝材料应用研究院有限公司 | High-thermal-conductivity die-casting aluminum alloy material and preparation method thereof |
| CN113462932A (en) * | 2021-07-05 | 2021-10-01 | 南昌航空大学 | High-thermal-conductivity aluminum alloy material for semi-solid rheocasting and preparation method thereof |
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Application publication date: 20200602 |