A corrosion-resistant aluminum alloy profile

A corrosion-resistant aluminum alloy and aluminum alloy technology, applied in metal material coating process, coating, melt spraying and other directions, can solve the problems of difficult to apply corrosion phenomenon, restrict the wide application of aluminum alloy profiles, etc., to enhance the impact resistance effect , avoid staggered, improve the effect of corrosion resistance

Active Publication Date: 2022-05-24
上海芳桦建筑材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3. Crevice corrosion Crevice corrosion is a kind of localized corrosion
[0008] Therefore, it is difficult to improve the corrosion resistance only from the raw materials to be applicable to the corrosion phenomenon under different conditions, which seriously restricts the wide application of aluminum alloy profiles in different fields.

Method used

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  • A corrosion-resistant aluminum alloy profile
  • A corrosion-resistant aluminum alloy profile
  • A corrosion-resistant aluminum alloy profile

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Experimental program
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Embodiment 1

[0044] see Figure 1-3 , a corrosion-resistant aluminum alloy profile, comprising an aluminum alloy base body 1 and a nano-ceramic coating 2 covering the outer surface of the aluminum alloy base body 1, the aluminum alloy base body 1 is inlaid and connected with a plurality of evenly distributed embedded repair rods 3, The built-in repair rod 3 includes an alumina hollow repair ball 31 and an alumina hollow bollard 32 symmetrically connected to the upper and lower ends of the alumina hollow repair ball 31, and the alumina hollow repair ball 31 and the alumina hollow bollard 32 are integrally connected, and oxidized. The upper and lower ends of the aluminum hollow repair ball 31 are inlaid and connected with a fast corrosion isolation layer 33, and the alumina hollow bollard 32 is inlaid and connected with a fast corrosion mandrel 4, and the fast corrosion mandrel 4 penetrates the aluminum alloy base 1 and extends to the nano-ceramic in coating 2.

[0045] The cross-sectional ...

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Abstract

The invention discloses a corrosion-resistant aluminum alloy profile, which belongs to the technical field of metal material manufacturing. A corrosion-resistant aluminum alloy profile can improve the raw materials of the aluminum alloy matrix on the one hand, and optimize the ratio and combination of different components. , enhance the strength and corrosion resistance of the aluminum alloy matrix as a whole, and further protect the aluminum alloy matrix by covering the surface of the aluminum alloy matrix with a nano-ceramic coating. The embedded repair rod can improve the strength of the aluminum alloy matrix and eliminate part of the internal stress, and when the nano-ceramic coating is corroded or damaged, the repair action of the embedded repair rod is triggered by the set easy-to-corrosion parts, based on the magnetic attraction. The repair magnetic ball is actively adsorbed to the corrosion or damage to repair, avoid further corrosion or damage, and is suitable for self-repair under various corrosion conditions, effectively improving the corrosion resistance of the aluminum alloy substrate and prolonging its service life.

Description

technical field [0001] The invention relates to the technical field of metal material manufacturing, and more particularly, to a corrosion-resistant aluminum alloy profile. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in the industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industries. Because of its low density, high strength, close to or exceeding high-quality steel, good plasticity, excellent electrical conductivity, thermal conductivity, corrosion resistance and other properties, it can be processed into various profiles, widely used in machinery manufacturing, transportation machinery, power machinery and aviation industry. [0003] When the surface of the aluminum alloy is exposed to the atmosphere, a thin natural oxide film will be covered on the surface, but the natural oxide film on the surface is easily corroded, which greatly reduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C4/134C23C4/10C22C21/10C22C21/08C22C21/00
CPCC23C4/134C23C4/10C22C21/08C22C21/00C22C21/10
Inventor 林璋
Owner 上海芳桦建筑材料有限公司
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