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Aluminum alloy anodized plate and production method thereof

A production method and aluminum alloy technology, which is applied in the field of aluminum alloy processing, can solve the problems of poor plasticity of anodized plates and poor surface finish of alloys, and achieve the effects of improving surface quality, reducing surface roughness, and reducing possibility

Active Publication Date: 2019-04-05
SHANDONG NANSHAN ALUMINUM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the plasticity and alloy surface finish of the anodized plate of 5052 or 5251 aluminum alloy made by the existing technology are poor, and there are defects

Method used

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  • Aluminum alloy anodized plate and production method thereof
  • Aluminum alloy anodized plate and production method thereof
  • Aluminum alloy anodized plate and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] The aluminum alloy anodized plate of this embodiment is prepared by the following production method, which specifically includes the following steps:

[0058] S1. Melting: Prepare raw materials according to the chemical composition and mass percentage of the aluminum alloy anodized plate in Example 1 in Table 2. The aluminum alloy raw materials include: 35% solid aluminum material, 35% waste aluminum material and 30% electrolyte %. Wherein, the composition of the solid aluminum material is Al, and the waste aluminum material is the leftover material of the same alloy composition. The aluminum alloy raw material was smelted and stirred at 720°C to obtain a melt, and the chemical composition of the controlled melt was Si: 0.07; Fe: 0.16; Cu: 0.03; Mn: 0.07; Mg: 2.4; Cr: 0.18; Zn : 0.007; Ti: 0.015.

[0059] The melt is cast into an aluminum alloy ingot according to a conventional production method, and the aluminum alloy ingot is hot-rolled to an intermediate coil with ...

Embodiment 2

[0061] The aluminum alloy anodized plate of this embodiment is prepared by the following production method, which specifically includes the following steps:

[0062] S1. Melting: Prepare raw materials according to the chemical composition and mass percentage of the aluminum alloy anodized plate of Example 2 in Table 2. The aluminum alloy raw materials include: 35% solid aluminum material, 35% waste aluminum material and 30% electrolyte %. Wherein, the composition of the solid aluminum material is Al, and the waste aluminum material is the leftover material of the same alloy composition. The aluminum alloy raw material was smelted and stirred at 720°C to obtain a melt, and samples were taken for analysis to control the chemical composition of the melt to meet the indicators in Table 2.

[0063] S2. Multi-stage purification treatment: transfer the melt to the holding furnace, and perform Ar and Cl on the furnace side 2 The mixed gas is refined, and the melt is degassed through...

Embodiment 3

[0073] The aluminum alloy anodized plate of this embodiment is prepared by the following production method, which specifically includes the following steps:

[0074] S1. Melting: Prepare raw materials according to the chemical composition and mass percentage of the aluminum alloy anodized plate of Example 3 in Table 2. The aluminum alloy raw materials include: 40% of solid aluminum material, 40% of waste aluminum material and 20% of electrolyte %. Wherein, the composition of the solid aluminum material is Al, and the waste aluminum material is the leftover material of the same alloy composition. The aluminum alloy raw material is smelted at 750°C. When 50% to 60% of the aluminum alloy raw material is melted into molten aluminum, the electromagnetic stirring is turned on to remove the scum on the surface of the molten aluminum. ℃), put the manganese agent as a component additive into the molten pool evenly, stir fully for 5 to 10 minutes, after stirring fully, let it stand for...

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Abstract

The invention provides an aluminum alloy anodic oxidation plate and a production method thereof, and belongs to the technical field of aluminum alloy processing. The aluminum alloy anodic oxidation plate comprises, by mass, 0-0.1% of Si, 0-0.2% of Fe, 0-0.1% of Cu, 0-0.1% of Mn, 2.2%-2.5% of Mg, 0.15%-0.20% of Cr, 0-0.1% of Zn, 0-0.1% of Ti and the balance Al. The aluminum alloy anodic oxidation plate is high in plasticity and alloy surface smoothness. The production method of the aluminum alloy anodic oxidation plate includes the steps that smelting and sampling analysis are performed, so that the chemical composition content requirements are met; and then melt is cast into an aluminum alloy ingot casting, the aluminum alloy ingot casting is treated into a middle coiled material by means of hot rolling, and the middle coiled material is subjected to cold rolling and annealing. By the adoption of the production method, the plasticity and alloy surface smoothness of the aluminum alloy plate are improved.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy processing, in particular to an aluminum alloy anodized plate and a production method thereof. Background technique [0002] Aluminum alloy materials have low hardness and poor wear resistance, and often suffer from abrasive damage. In industry, anodic oxidation is more and more widely used to form a thick and dense oxide film on the aluminum surface, so as to significantly change the corrosion resistance of aluminum alloys and improve the corrosion resistance of aluminum alloys. Hardness, wear resistance and decorative properties. 5052 and 5251 aluminum alloy materials are widely used in high-end product casings, such as notebook computers, ultrabooks, tablet computers, digital cameras and audio-visual players, due to their moderate strength, easy processing and excellent anodic oxidation performance. In recent years, major notebook manufacturers have launched different models of ultraboo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22C1/02C22F1/047C25D11/04
CPCC22C1/026C22C21/08C22F1/047C25D11/04
Inventor 吕正风程仁策张华孟凡林孙学明陶志民罗杰黄同瑊姜文娇张文涛辛涛李辉肖富来
Owner SHANDONG NANSHAN ALUMINUM