CN110656266A - Aluminum plate alloy suitable for aluminum-plastic composite plate and preparation method thereof - Google Patents
Aluminum plate alloy suitable for aluminum-plastic composite plate and preparation method thereof Download PDFInfo
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- CN110656266A CN110656266A CN201911036897.2A CN201911036897A CN110656266A CN 110656266 A CN110656266 A CN 110656266A CN 201911036897 A CN201911036897 A CN 201911036897A CN 110656266 A CN110656266 A CN 110656266A
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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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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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
- 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
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Abstract
The invention discloses an aluminum plate alloy suitable for an aluminum-plastic composite board and a preparation method thereof, aiming at the existing 5005 aluminum alloy, the aluminum plate alloy is optimized in element proportion and suitable for producing high-grade highlight advertising boards and aluminum-plastic boards; the chemical element proportion of Fe, Si, Mn, Mg and Ti is mainly optimized, and the lower H content is controlled; specifically, the aluminum plate alloy comprises the following components in percentage by mass: fe: 0.08-0.15%, Si: 0.16-0.35%, Mn: 0.05-0.10%, Mg: 0.70-0.90%, Ti: 0.01-0.03% and the balance of aluminum. The aluminum plate alloy produced by the invention completely meets the comprehensive requirements of high-end customers on performance strength and surface color uniformity. Compared with the common 1100 and 3003, the modified aluminum alloy has better processability, welding property, corrosion resistance and the like, is particularly better modified and processed after anodic oxidation, and can realize stable color effect.
Description
Technical Field
The invention belongs to the field of aluminum processing, and relates to a newly developed 5005 aluminum alloy with a component ratio suitable for producing high-end aluminum-plastic composite materials and anodic oxidation materials, in particular to an aluminum plate alloy suitable for aluminum-plastic composite plates and a preparation method thereof.
Background
The aluminum-plastic composite material is formed by compounding aluminum and a plastic core material (PE plastic is used as a core layer) with lower density, and has smaller mass compared with other metals with the same rigidity or the same thickness; compared with glass and stone, the weight is much smaller. The aluminum-plastic composite material ingeniously utilizes the mechanical principle of an I-shaped steel structure, unique mechanical properties are ingeniously given to the I-shaped steel structure, in addition, the aluminum-plastic composite plate is compounded at high temperature, two layers of aluminum plates are in a certain tension state in the whole processing process, and after forming and cooling, stable internal stress of the plate is formed due to the difference of the shrinkage rates of the aluminum plates and the core material which are symmetrical up and down, so that the aluminum-plastic composite material has good rigidity. The method not only keeps the main characteristics of the original composition materials (aluminum alloy plates and plastic materials), but also overcomes the defects of the original composition materials, thereby obtaining a plurality of excellent material properties. The product characteristics are as follows: the decorative board has the characteristics of gorgeous and colorful decoration, weather resistance, corrosion resistance, impact resistance, fire resistance, moisture resistance, sound insulation, heat insulation, shock resistance, light weight, easy processing and forming, easy carrying and installation and the like.
The aluminum material used by the common aluminum-plastic composite material is mainly 1100 aluminum alloy, 3003 aluminum alloy is used as a surface aluminum plate, and with the development of buildings and related industries, higher requirements are provided for the mechanical strength property and the surface color uniformity of the composite material, and a better material is required to meet new requirements. Through experiments and long-term production research, aiming at the optimal proportioning of the 5005 aluminum alloy components, the produced aluminum plate completely meets the comprehensive requirements of high-end customers on performance strength and surface color uniformity. Compared with the common 1100 aluminum alloy and the 3003 aluminum alloy, the aluminum alloy has better processability, welding property, corrosion resistance and the like, is particularly better in modification processing after anodic oxidation, and can realize stable color effect in different production batches.
Disclosure of Invention
The invention provides a better aluminum plate alloy suitable for an aluminum-plastic composite plate, which meets the requirements of users on higher strength and uniform color and luster, and is suitable for producing high-grade transparent highlight aluminum-plastic composite plates and the requirements of oxidation treatment.
The invention is realized by the following technical scheme: an aluminum plate alloy suitable for an aluminum-plastic composite plate optimizes the element proportion of each component aiming at the prior 5005 aluminum alloy, so that the aluminum plate alloy is suitable for producing high-grade highlight advertising boards and aluminum-plastic boards; the method is characterized in that: mainly optimizes the chemical element proportion of Fe, Si, Mn, Mg and Ti and controls the lower H content;
specifically, the aluminum plate alloy comprises the following components in percentage by mass: fe: 0.08-0.15%, Si: 0.16-0.35%, Mn: 0.05-0.10%, Mg: 0.70-0.90%, Ti: 0.01-0.03% and the balance of aluminum. Wherein, other impurities are less than or equal to 0.05 percent
The preferred scheme of the aluminum plate alloy suitable for the aluminum-plastic composite plate comprises the following steps: the aluminum is high-grade aluminum ingot AL 99.85.
The preparation method of the aluminum plate alloy suitable for the aluminum-plastic composite plate comprises the following steps:
adding high-grade aluminum into a smelting furnace, igniting and heating until an aluminum ingot is softened and collapses, stopping the fire, stirring, scattering a covering agent, continuing igniting and heating until the temperature of the aluminum liquid is 750 ℃, and batching according to the requirements of the mass percentages of all component elements in the aluminum plate alloy;
the Fe element is added in an aluminum-iron intermediate alloy batching mode, the Mn element is added in a manganese agent batching mode, the Mg element is added in a magnesium ingot batching mode, and the Ti element is added in an aluminum-titanium-boron wire batching mode during casting; Si-Si element is added in the form of Al-Si alloy
Fully stirring after the addition is finished to ensure that various ingredients are thoroughly dissolved and uniformly dissolved, sampling to analyze components, and refining and turning down the furnace after the components meet the requirements;
during smelting, the mass percentages of all component elements in the aluminum plate alloy are accurately calculated according to the feeding amount, the smelting temperature is strictly controlled, and the phenomenon that the molten aluminum is overburnt is avoided, so that the grain structure is large.
And (3) turning the aluminum plate alloy to the furnace at a specified temperature, refining again in the holding furnace after the furnace turning is finished, processing the aluminum plate alloy into an ingot blank according to a specified casting process, and milling, heating, hot rolling, cold rolling, annealing, stretch bending, straightening and slitting the ingot blank according to a specified process after the ingot blank is qualified through inspection to produce a product meeting the specification required by a user.
The invention has the beneficial technical effects that: the invention mainly aims at optimizing the optimal component element proportion of the 5005 aluminum alloy, and an aluminum-plastic composite material product produced according to the component proportion has excellent comprehensive performance and fully meets the requirements of high-end customers.
Detailed Description
Example 1
5005 alloy decorative board (ingot DT907053A 2/specification 530X 1640X 5900 mm)
Example 2
5005 alloy decorative board (ingot DT907055A 3/specification 480 × 1330 × 5950 mm)
Example 3
5005 alloy decorative board (ingot DT908008A 1/specification 480X 1300X 5900 mm)
Examples 1-3 above, a method for preparing an aluminum sheet alloy, was as follows:
adding high-grade aluminum into a smelting furnace, igniting and heating until an aluminum ingot is softened and collapses, stopping the fire, stirring, scattering a covering agent, continuing igniting and heating until the temperature of the aluminum liquid is 750 ℃, and batching according to the requirements of the mass percentages of all component elements in the aluminum plate alloy;
the Fe element is added in an aluminum-iron intermediate alloy batching mode, the Mn element is added in a manganese agent batching mode, the Mg element is added in a magnesium ingot batching mode, and the Ti element is added in an aluminum-titanium-boron wire batching mode during casting; si and Si are added in the form of aluminum-silicon alloy;
fully stirring after the addition is finished to ensure that various ingredients are thoroughly dissolved and uniformly dissolved, sampling to analyze components, and refining and turning down the furnace after the components meet the requirements;
during smelting, the mass percentages of all component elements in the aluminum plate alloy are accurately calculated according to the feeding amount, the smelting temperature is strictly controlled, and the phenomenon that the molten aluminum is overburnt is avoided, so that the grain structure is large.
And (3) turning the aluminum plate alloy to the furnace at a specified temperature, refining again in the holding furnace after the furnace turning is finished, processing the aluminum plate alloy into an ingot blank according to a specified casting process, and milling, heating, hot rolling, cold rolling, annealing, stretch bending, straightening and slitting the ingot blank according to a specified process after the ingot blank is qualified through inspection to produce a product meeting the specification required by a user.
The production process comprises the steps of turning down a furnace, refining, casting process, face milling, heating treatment, hot rolling, cold rolling, annealing treatment, stretch bending straightening and slitting, wherein the steps are related to the manufacturing part of the process, and all the steps are the conventional technical means in the field.
Claims (3)
1. An aluminum plate alloy suitable for an aluminum-plastic composite plate optimizes the element proportion of each component aiming at the prior 5005 aluminum alloy, so that the aluminum plate alloy is suitable for producing high-grade highlight advertising boards and aluminum-plastic boards; the method is characterized in that: mainly optimizes the chemical element proportion of Fe, Si, Mn, Mg and Ti and controls the lower H content;
specifically, the aluminum plate alloy comprises the following components in percentage by mass: fe: 0.08-0.15%, Si: 0.16-0.35%, Mn: 0.05-0.10%, Mg: 0.70-0.90%, Ti: 0.01-0.03% and the balance of aluminum.
2. The aluminum plate alloy suitable for aluminum-plastic composite plates as claimed in claim 1, wherein: the aluminum is high-grade aluminum ingot AL 99.85.
3. The method for preparing an aluminum plate alloy suitable for an aluminum-plastic composite plate according to claim 1 or 2, wherein the method comprises the following steps: the preparation method comprises the following steps:
adding high-grade aluminum into a smelting furnace, igniting and heating until an aluminum ingot is softened and collapses, stopping the fire, stirring, scattering a covering agent, continuing igniting and heating until the temperature of the aluminum liquid is 750 ℃, and batching according to the requirements of the mass percentages of all component elements in the aluminum plate alloy;
the Fe element is added in an aluminum-iron intermediate alloy batching mode, the Mn element is added in a manganese agent batching mode, the Mg element is added in a magnesium ingot batching mode, and the Ti element is added in an aluminum-titanium-boron wire batching mode during casting; si and Si are added in the form of aluminum-silicon alloy;
fully stirring after the addition is finished to ensure that various ingredients are thoroughly dissolved and uniformly dissolved, sampling to analyze components, and refining and turning down the furnace after the components meet the requirements;
during smelting, the mass percentages of all component elements in the aluminum plate alloy are accurately calculated according to the feeding amount, the smelting temperature is strictly controlled, and the excessive burning of the aluminum liquid is avoided, so that the grain structure is coarse;
and (3) turning the aluminum plate alloy to the furnace at a specified temperature, refining again in the holding furnace after the furnace turning is finished, processing the aluminum plate alloy into an ingot blank according to a specified casting process, and milling, heating, hot rolling, cold rolling, annealing, stretch bending, straightening and slitting the ingot blank according to a specified process after the ingot blank is qualified through inspection to produce a product meeting the specification required by a user.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106307A (en) * | 2021-03-04 | 2021-07-13 | 中铝材料应用研究院有限公司 | Mirror-surface aluminum alloy plate strip and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289720A (en) * | 2008-06-17 | 2008-10-22 | 上海大屯能源股份有限公司 | Air conditioner foils and method for preparing same |
| CN107805746A (en) * | 2017-12-15 | 2018-03-16 | 中铝瑞闽股份有限公司 | A kind of 5005H34 aluminum alloy plate materials and its production method |
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2019
- 2019-10-29 CN CN201911036897.2A patent/CN110656266A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101289720A (en) * | 2008-06-17 | 2008-10-22 | 上海大屯能源股份有限公司 | Air conditioner foils and method for preparing same |
| CN107805746A (en) * | 2017-12-15 | 2018-03-16 | 中铝瑞闽股份有限公司 | A kind of 5005H34 aluminum alloy plate materials and its production method |
Non-Patent Citations (1)
| Title |
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| 韦世鹤: "《铸造合金原理及熔炼》", 31 March 1997, 华中理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113106307A (en) * | 2021-03-04 | 2021-07-13 | 中铝材料应用研究院有限公司 | Mirror-surface aluminum alloy plate strip and preparation method thereof |
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Application publication date: 20200107 |