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Aluminum material surface treatment method, surface treatment apparatus, and treated surface aluminum material

A technology of surface treatment and aluminum material, which is applied in the field of surface treatment of aluminum material, surface treatment device and surface treatment of aluminum material, can solve the problem of low bonding durability and achieve excellent bonding durability and excellent bonding durability efficiency, reduction of energy costs and environmental load

Pending Publication Date: 2018-11-23
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the film formed by coating-type treatment tends to have lower adhesion durability than the film formed by reaction-type treatment.

Method used

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  • Aluminum material surface treatment method, surface treatment apparatus, and treated surface aluminum material
  • Aluminum material surface treatment method, surface treatment apparatus, and treated surface aluminum material
  • Aluminum material surface treatment method, surface treatment apparatus, and treated surface aluminum material

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Embodiment Construction

[0027] Embodiments of the surface treatment method, the surface treatment device, and the surface-treated aluminum material of the present invention will be described. First, the surface treatment apparatus used in the surface treatment method of the present invention will be described. Such as figure 2 As shown, the surface treatment device 21 includes a treatment liquid coating device (coating unit) 11 , a drying device (drying unit) 12 , and a conveyance roller (transportation unit) 20 . In this surface treatment apparatus 21 , the treatment liquid application apparatus 11 and the drying apparatus 12 are arranged adjacent to each other so that the treatment by the treatment liquid application apparatus 11 is followed by the treatment by the drying apparatus 12 . Hereinafter, each configuration included in the surface treatment apparatus 21 will be described.

[0028] (Treatment liquid coating device)

[0029]The treatment liquid coating device 11 is a device for coating...

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Abstract

A coating is formed by coating a surface of an aluminum material with a treatment solution containing a 20-400 ppm total, calculated as titanium and calculated as zirconium, of a titanium fluoride compound and / or a zirconium fluoride compound so that the total of titanium and zirconium is 4-25 mg / m<2<, and drying.

Description

technical field [0001] The invention relates to a method for treating the surface of an aluminum material with a treatment solution containing at least one of a titanium fluoride compound and a zirconium fluoride compound, a surface treatment device used in the surface treatment method, and a surface treatment method obtained by the surface treatment method. It is suitable for transportation machinery such as automobiles, ships, and airplanes, and is especially suitable for surface-treated aluminum materials for automotive panels. Background technique [0002] In the automotive industry, in recent years, due to CO 2 Global environmental issues such as emission restrictions require improvement of fuel efficiency by reducing the weight of components. Since the specific gravity of aluminum is light, about 1 / 3 of that of iron, it has been attracting attention as a material that requires weight reduction and replacement in parts where iron is used. As the aluminum material, Al—...

Claims

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Application Information

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IPC IPC(8): C23C22/34
CPCC23C22/74C23C22/34C23C22/76C23C22/78
Inventor 小岛彻也太田阳介
Owner KOBE STEEL LTD
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