CN114277292A - High-hardness aluminum alloy suitable for manufacturing vehicle-mounted camera and manufacturing process - Google Patents
High-hardness aluminum alloy suitable for manufacturing vehicle-mounted camera and manufacturing process Download PDFInfo
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- CN114277292A CN114277292A CN202111628680.8A CN202111628680A CN114277292A CN 114277292 A CN114277292 A CN 114277292A CN 202111628680 A CN202111628680 A CN 202111628680A CN 114277292 A CN114277292 A CN 114277292A
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Abstract
The invention discloses a high-hardness aluminum alloy suitable for manufacturing a vehicle-mounted camera and a manufacturing process thereof, wherein the aluminum alloy consists of the following substances in percentage by weight: 2-3% of silicon, 8-10% of copper, 0.2-0.4% of titanium, 3-4% of iron, 16-18% of zinc and the balance of aluminum and inevitable impurities. The manufacturing process comprises the steps of sequentially adding molten aluminum, zinc, copper, iron, silicon and titanium into a smelting furnace, wherein the adding time between the two molten aluminum is 3-5min, and smelting for 12-15h at the temperature of 690-705 ℃ to obtain aluminum alloy molten aluminum; the molten liquid of each phase is added in sequence from large to small according to the weight percentage, so that the fusion effect of each metal substance can be improved; the hardness of the aluminum alloy is obviously improved.
Description
Technical Field
The invention relates to the technical field of aluminum alloy manufacturing, in particular to a high-hardness aluminum alloy suitable for manufacturing a vehicle-mounted camera and a manufacturing process thereof.
Background
The aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, has low density, higher strength which is close to or exceeds that of high-quality steel, good plasticity, can be processed into various sections, has excellent electrical conductivity, thermal conductivity and corrosion resistance, is widely used in industry, and is second to steel in use amount. Have found numerous applications in the aerospace, automotive, machinery, marine and chemical industries. With the development of small electronic products such as mobile phones, tablet computers, vehicle-mounted cameras and the like, the requirements on aluminum alloy shells are higher and higher, and the tests on aluminum alloys are particularly in the aspect of the requirement on high hardness.
Disclosure of Invention
In view of the above, the present invention provides a high hardness aluminum alloy suitable for manufacturing a vehicle-mounted camera and a manufacturing process thereof, which can solve the problem of insufficient hardness of the existing aluminum alloy.
The technical scheme of the invention is realized as follows:
a high-hardness aluminum alloy suitable for manufacturing an on-vehicle camera, wherein the aluminum alloy consists of the following substances in percentage by weight: 2-3% of silicon, 8-10% of copper, 0.2-0.4% of titanium, 3-4% of iron, 16-18% of zinc and the balance of aluminum and inevitable impurities.
As a further alternative to the high hardness aluminum alloy suitable for use in the manufacture of an onboard camera, the aluminum alloy consists of, in weight percent: 2% of silicon, 9% of copper, 0.2% of titanium, 4% of iron, 16% of zinc, and the balance of aluminum and inevitable impurities.
As a further alternative to the high hardness aluminum alloy suitable for use in the manufacture of an onboard camera, the aluminum alloy consists of, in weight percent: 2.5% of silicon, 10% of copper, 0.3% of titanium, 3.5% of iron, 17% of zinc, and the balance of aluminum and inevitable impurities.
As a further alternative to the high hardness aluminum alloy suitable for use in the manufacture of an onboard camera, the aluminum alloy consists of, in weight percent: 3% of silicon, 8% of copper, 0.4% of titanium, 3% of iron, 18% of zinc, and the balance of aluminum and inevitable impurities.
As a further alternative to the high hardness aluminum alloy suitable for use in the manufacture of an on-vehicle camera, the unavoidable impurities are less than 0.3% by weight.
The manufacturing process of the high-hardness aluminum alloy suitable for manufacturing the vehicle-mounted camera comprises the following steps:
s1, weighing 2-3% of silicon, 8-10% of copper, 0.2-0.4% of titanium, 3-4% of iron, 16-18% of zinc and the balance of aluminum by mass percent, and respectively smelting into molten liquid; sequentially adding the molten liquid into a smelting furnace according to the sequence of aluminum, zinc, copper, iron, silicon and titanium, wherein the adding time between the two molten liquids is 3-5min apart, and smelting for 12-15h under the condition that the temperature is 690-;
s2, heating the aluminum alloy melt at the temperature of 690-705 ℃ to the temperature of 720-735 ℃, adding an aluminum alloy refining agent for primary refining, stirring for 15-18min, standing for 20-25min, and removing scum on the liquid surface;
s3, heating the aluminum alloy melt at the temperature of 720-735 ℃ to 745-755 ℃, adding an aluminum alloy refining agent for secondary refining, stirring for 22-25min, standing for 30-35min, and removing dross on the liquid surface;
s4, filtering the aluminum alloy melt after secondary refining;
s5, casting and molding the filtered aluminum alloy melt to obtain an aluminum alloy ingot;
s6, carrying out solution treatment on the aluminum alloy ingot for 1-1.5h at the temperature of 630-650 ℃, and quenching at the temperature of 280-300 ℃ after the solution treatment is finished;
s7, carrying out aging treatment on the quenched material at the temperature of 100-130 ℃ for 5-20h to obtain the aluminum alloy.
As a further alternative of the manufacturing process, in step S1, stirring is continuously performed during the addition of the melt; and in the smelting process, intermittent stirring is carried out at intervals of 10min for 15 min.
As a further alternative of the manufacturing process, in steps S2 and S3, an aluminum alloy refining agent is blown into the bottom of the aluminum alloy melt by nitrogen gas.
As a further alternative to the manufacturing process, in step S4, a 30-50 mesh high temperature resistant ceramic filter plate is used for filtration.
As a further alternative of the manufacturing process, in step S7, the quenching time is 30 min.
The invention has the following beneficial effects: the molten liquid of each phase is added in sequence from large to small according to the weight percentage, so that the fusion effect of each metal substance can be improved; various phases in the aluminum alloy are fully dissolved through solution treatment improvement, solid solution is strengthened, and the plasticity and the toughness of the aluminum alloy are improved; the strength and the hardness of the aluminum alloy are improved through quenching and aging treatment; finally, the hardness of the aluminum alloy is obviously improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Weighing 2% of silicon, 9% of copper, 0.2% of titanium, 4% of iron, 16% of zinc and the balance of aluminum in percentage by mass, and respectively smelting into molten liquid; sequentially adding the molten liquid into a smelting furnace according to the sequence of aluminum, zinc, copper, iron, silicon and titanium, wherein the adding time between the two molten liquids is 3min apart, and smelting for 12h at the temperature of 690 ℃ to obtain aluminum alloy molten liquid; the molten liquid of various phases is added in sequence from large to small according to the weight percentage, and is continuously stirred in the molten liquid adding process, so that the fusion effect can be effectively improved; the adding time between the two melts has an interval, so that the buffering time for melt fusion can be provided, and the fusion effect is improved; in addition, in the smelting process, intermittent stirring is carried out at intervals of 10min for 15min, so that the fusion effect is further improved.
Heating the aluminum alloy melt at 690 ℃ to 720 ℃, adding an aluminum alloy refining agent for primary refining, blowing the aluminum alloy refining agent into the bottom of the aluminum alloy melt through nitrogen, stirring for 15min, standing for 20min, and removing floating slag on the liquid surface; preferably, the aluminum alloy refining agent can be produced by Huabei Anhui Co., Ltd. in Jiangxi province.
Heating the aluminum alloy melt at the temperature of 720 ℃ to 745 ℃, adding an aluminum alloy refining agent for secondary refining, wherein the aluminum alloy refining agent is blown into the bottom of the aluminum alloy melt through nitrogen, stirring for 22min, standing for 30min, and removing scum on the liquid level.
Placing the aluminum alloy melt after secondary refining in a 30-mesh high-temperature-resistant ceramic filter plate for filtering; and (4) casting and molding the filtered aluminum alloy melt to obtain the aluminum alloy cast ingot.
Carrying out solution treatment on the aluminum alloy cast ingot for 1h at the temperature of 630 ℃, and quenching for 30min at the temperature of 280 ℃ after the solution treatment is finished; and (3) carrying out aging treatment on the quenched material at 100 ℃ for 5 hours to obtain the aluminum alloy.
Example two
Weighing 2.5% of silicon, 10% of copper, 0.3% of titanium, 3.5% of iron, 17% of zinc and the balance of aluminum by mass percent, and respectively smelting into molten liquid; sequentially adding the molten liquid into a smelting furnace according to the sequence of aluminum, zinc, copper, iron, silicon and titanium, wherein the adding time between the two molten liquids is 4min, and smelting for 13h at the temperature of 700 ℃ to obtain aluminum alloy molten liquid; the molten liquid of various phases is added in sequence from large to small according to the weight percentage, and is continuously stirred in the molten liquid adding process, so that the fusion effect can be effectively improved; the adding time between the two melts has an interval, so that the buffering time for melt fusion can be provided, and the fusion effect is improved; in addition, in the smelting process, intermittent stirring is carried out at intervals of 10min for 15min, so that the fusion effect is further improved.
Heating the aluminum alloy melt at 700 ℃ to 730 ℃, adding an aluminum alloy refining agent for primary refining, blowing the aluminum alloy refining agent into the bottom of the aluminum alloy melt through nitrogen, stirring for 17min, standing for 22min, and removing floating slag on the liquid surface; preferably, the aluminum alloy refining agent can be produced by Huabei Anhui Co., Ltd. in Jiangxi province.
Heating the aluminum alloy melt at the temperature of 730 ℃ to 750 ℃, adding an aluminum alloy refining agent for secondary refining, blowing the aluminum alloy refining agent into the bottom of the aluminum alloy melt through nitrogen, stirring for 24min, standing for 33min, and removing floating slag on the liquid surface.
Placing the aluminum alloy melt after secondary refining in a 40-mesh high-temperature resistant ceramic filter plate for filtering; and (4) casting and molding the filtered aluminum alloy melt to obtain the aluminum alloy cast ingot.
Carrying out solid solution treatment on the aluminum alloy ingot for 1.2h at the temperature of 640 ℃, and quenching for 30min at the temperature of 290 ℃ after the solid solution treatment is finished; and (3) carrying out aging treatment on the quenched material at the temperature of 120 ℃ for 12 hours to obtain the aluminum alloy.
EXAMPLE III
Weighing 3% of silicon, 8% of copper, 0.4% of titanium, 3% of iron, 18% of zinc and the balance of aluminum in percentage by mass, and respectively smelting into molten liquid; sequentially adding the molten liquid into a smelting furnace according to the sequence of aluminum, zinc, copper, iron, silicon and titanium, wherein the adding time between the two molten liquids is separated by 5min, and smelting for 15h at the temperature of 705 ℃ to obtain aluminum alloy molten liquid; the molten liquid of various phases is added in sequence from large to small according to the weight percentage, and is continuously stirred in the molten liquid adding process, so that the fusion effect can be effectively improved; the adding time between the two melts has an interval, so that the buffering time for melt fusion can be provided, and the fusion effect is improved; in addition, in the smelting process, intermittent stirring is carried out at intervals of 10min for 15min, so that the fusion effect is further improved.
Heating the aluminum alloy melt at 705 ℃ to 735 ℃, adding an aluminum alloy refining agent for primary refining, blowing the aluminum alloy refining agent into the bottom of the aluminum alloy melt through nitrogen, stirring for 18min, standing for 25min, and removing scum on the liquid level; preferably, the aluminum alloy refining agent can be produced by Huabei Anhui Co., Ltd. in Jiangxi province.
Heating the aluminum alloy melt at 735 ℃ to 755 ℃, and adding an aluminum alloy refining agent for secondary refining, wherein the aluminum alloy refining agent is blown into the bottom of the aluminum alloy melt through nitrogen, stirring for 25min, then standing for 35min, and removing floating slag on the liquid surface.
Placing the aluminum alloy melt after secondary refining in a 50-mesh high-temperature resistant ceramic filter plate for filtering; and (4) casting and molding the filtered aluminum alloy melt to obtain the aluminum alloy cast ingot.
Carrying out solution treatment on the aluminum alloy ingot for 1.5h at the temperature of 650 ℃, and quenching for 30min at the temperature of 300 ℃ after the solution treatment is finished; and (3) carrying out aging treatment on the quenched material at the temperature of 130 ℃ for 20 hours to obtain the aluminum alloy.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A high-hardness aluminum alloy suitable for manufacturing an on-vehicle camera is characterized by comprising the following components in percentage by weight: 2-3% of silicon, 8-10% of copper, 0.2-0.4% of titanium, 3-4% of iron, 16-18% of zinc and the balance of aluminum and inevitable impurities.
2. The high-hardness aluminum alloy suitable for manufacturing of the vehicle-mounted camera according to claim 1, wherein the aluminum alloy consists of the following substances in percentage by weight: 2% of silicon, 9% of copper, 0.2% of titanium, 4% of iron, 16% of zinc, and the balance of aluminum and inevitable impurities.
3. The high-hardness aluminum alloy suitable for manufacturing of the vehicle-mounted camera according to claim 1, wherein the aluminum alloy consists of the following substances in percentage by weight: 2.5% of silicon, 10% of copper, 0.3% of titanium, 3.5% of iron, 17% of zinc, and the balance of aluminum and inevitable impurities.
4. The high-hardness aluminum alloy suitable for manufacturing of the vehicle-mounted camera according to claim 1, wherein the aluminum alloy consists of the following substances in percentage by weight: 3% of silicon, 8% of copper, 0.4% of titanium, 3% of iron, 18% of zinc, and the balance of aluminum and inevitable impurities.
5. The high-hardness aluminum alloy for manufacturing the vehicle-mounted camera according to claim 1, wherein the weight percentage of inevitable impurities is less than 0.3%.
6. The manufacturing process of the high-hardness aluminum alloy suitable for manufacturing the vehicle-mounted camera according to any one of claims 1 to 5, is characterized by comprising the following steps of:
s1, weighing 2-3% of silicon, 8-10% of copper, 0.2-0.4% of titanium, 3-4% of iron, 16-18% of zinc and the balance of aluminum by mass percent, and respectively smelting into molten liquid; sequentially adding the molten liquid into a smelting furnace according to the sequence of aluminum, zinc, copper, iron, silicon and titanium, wherein the adding time between the two molten liquids is 3-5min apart, and smelting for 12-15h under the condition that the temperature is 690-;
s2, heating the aluminum alloy melt at the temperature of 690-705 ℃ to the temperature of 720-735 ℃, adding an aluminum alloy refining agent for primary refining, stirring for 15-18min, standing for 20-25min, and removing scum on the liquid surface;
s3, heating the aluminum alloy melt at the temperature of 720-735 ℃ to 745-755 ℃, adding an aluminum alloy refining agent for secondary refining, stirring for 22-25min, standing for 30-35min, and removing dross on the liquid surface;
s4, filtering the aluminum alloy melt after secondary refining;
s5, casting and molding the filtered aluminum alloy melt to obtain an aluminum alloy ingot;
s6, carrying out solution treatment on the aluminum alloy ingot for 1-1.5h at the temperature of 630-650 ℃, and quenching at the temperature of 280-300 ℃ after the solution treatment is finished;
s7, carrying out aging treatment on the quenched material at the temperature of 100-130 ℃ for 5-20h to obtain the aluminum alloy.
7. The manufacturing process of high-hardness aluminum alloy for vehicle-mounted camera manufacturing according to claim 6, wherein in step S1, stirring is continuously performed during the melt adding process; and in the smelting process, intermittent stirring is carried out at intervals of 10min for 15 min.
8. The manufacturing process of high-hardness aluminum alloy for use in manufacturing vehicle-mounted cameras according to claim 6, wherein in steps S2 and S3, an aluminum alloy refining agent is blown into the bottom of the aluminum alloy melt by nitrogen gas.
9. The manufacturing process of high hardness aluminum alloy for vehicle camera according to claim 6, wherein in step S4, a 30-50 mesh high temperature ceramic filter plate is used for filtering.
10. The manufacturing process of high-hardness aluminum alloy suitable for manufacturing vehicle-mounted cameras according to claim 6, wherein in step S7, the quenching time is 30 min.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409673A (en) * | 2013-08-26 | 2013-11-27 | 深圳市天合兴五金塑胶有限公司 | High-strength die-cast aluminum-titanium alloy |
| CN110129637A (en) * | 2019-05-06 | 2019-08-16 | 华为技术有限公司 | Pack alloy and preparation method thereof and communication product structural member |
| CN110684914A (en) * | 2019-10-25 | 2020-01-14 | 佛山市三水瑞晟通金属制品有限公司 | High-strength high-hardness aluminum alloy and preparation method thereof |
| CN110952002A (en) * | 2019-12-14 | 2020-04-03 | 范卫忠 | Non-heat-treatment-strengthened high-strength high-toughness aluminum alloy material applied to 5G mobile phone middle plate and preparation method thereof |
| CN111197132A (en) * | 2020-01-09 | 2020-05-26 | 张煜琰 | Non-heat treatment type high-strength die-casting aluminum alloy and preparation method thereof |
| CN111411274A (en) * | 2020-05-27 | 2020-07-14 | 东莞市青鸟金属材料有限公司 | High-strength heat-conducting aluminum alloy material and preparation method thereof |
| CN112853179A (en) * | 2021-01-06 | 2021-05-28 | 湖北华力科技有限公司 | High-strength aluminum alloy |
| CN113737070A (en) * | 2021-09-07 | 2021-12-03 | 广东隆达铝业有限公司 | High-yield-strength cast aluminum alloy and preparation method thereof |
-
2021
- 2021-12-28 CN CN202111628680.8A patent/CN114277292A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103409673A (en) * | 2013-08-26 | 2013-11-27 | 深圳市天合兴五金塑胶有限公司 | High-strength die-cast aluminum-titanium alloy |
| CN110129637A (en) * | 2019-05-06 | 2019-08-16 | 华为技术有限公司 | Pack alloy and preparation method thereof and communication product structural member |
| CN110684914A (en) * | 2019-10-25 | 2020-01-14 | 佛山市三水瑞晟通金属制品有限公司 | High-strength high-hardness aluminum alloy and preparation method thereof |
| CN110952002A (en) * | 2019-12-14 | 2020-04-03 | 范卫忠 | Non-heat-treatment-strengthened high-strength high-toughness aluminum alloy material applied to 5G mobile phone middle plate and preparation method thereof |
| CN111197132A (en) * | 2020-01-09 | 2020-05-26 | 张煜琰 | Non-heat treatment type high-strength die-casting aluminum alloy and preparation method thereof |
| CN111411274A (en) * | 2020-05-27 | 2020-07-14 | 东莞市青鸟金属材料有限公司 | High-strength heat-conducting aluminum alloy material and preparation method thereof |
| CN112853179A (en) * | 2021-01-06 | 2021-05-28 | 湖北华力科技有限公司 | High-strength aluminum alloy |
| CN113737070A (en) * | 2021-09-07 | 2021-12-03 | 广东隆达铝业有限公司 | High-yield-strength cast aluminum alloy and preparation method thereof |
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