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Aluminum alloy plate, and joint body and automobile member using same aluminum alloy plate

A technology of aluminum alloy plates and aluminum alloy substrates, which is applied in the field of automotive components and joints, can solve problems such as the inability to guarantee the stability of surface properties, achieve excellent moisture stability, improve bonding durability, and bond durability excellent effect

Inactive Publication Date: 2015-07-22
KOBE STEEL LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, according to the evaluation results shown in the above-mentioned Patent Document 7, the stability of the target surface properties cannot be guaranteed.

Method used

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  • Aluminum alloy plate, and joint body and automobile member using same aluminum alloy plate
  • Aluminum alloy plate, and joint body and automobile member using same aluminum alloy plate
  • Aluminum alloy plate, and joint body and automobile member using same aluminum alloy plate

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Effect test

Embodiment

[0172] Next, the aluminum alloy plate of the present invention will be specifically described by comparing Examples satisfying the requirements of the present invention and Comparative Examples not satisfying the requirements of the present invention.

[0173] Using the 6000-series aluminum alloy of the 6022 standard (Mg: 0.55% by mass, Si: 0.95% by mass) prescribed by JIS, an aluminum alloy cold-rolled sheet (thickness 1 mm) was produced by the above-mentioned manufacturing method. The 0.2% proof stress of this cold-rolled sheet was 230 MPa. Then, this cold-rolled sheet was used as a sheet for evaluation of adhesion durability, and was cut into a length of 100 mm×width of 25 mm to form a substrate. In addition, as a plate for evaluation of moisture stability, it was cut into a length of 70 mm×width of 150 mm to form a substrate. Alkaline degreasing is carried out to above-mentioned substrate, substrate is carried out heat treatment until solid reaching temperature 550 ℃, aft...

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Abstract

PURPOSE: An aluminum alloy plate, a bonded body using the same, and a member for a vehicle are provided to prevent the hydration of an interface between an adhesive and a surface oxide film and to prevent the liquation of a substrate. CONSTITUTION: An aluminum alloy plate(10) comprises a substrate(1) and a surface oxide film(2). The substrate is formed on an aluminum alloy. The surface oxide film is formed on the surface of the aluminum alloy substrate and contains zirconium and magnesium. [Reference numerals] (1) Substrate; (10,10A) Aluminum alloy plate; (2) Surface oxide film; (3) Adhesive layer;

Description

technical field [0001] The present invention relates to an aluminum alloy plate, and relates to an aluminum alloy plate suitable for use in vehicles such as automobiles, ships, and airplanes, and in particular, an aluminum alloy plate suitable for use in an automobile panel, a joined body using the aluminum alloy plate, and an automobile member. Background technique [0002] Conventionally, various aluminum alloy plates have been commonly used as components of conveyors such as automobiles, ships, and airplanes according to the various characteristics of each alloy. In particular, realizing that in recent years CO 2 In response to global environmental issues such as emissions, the use of aluminum alloy plates with a specific gravity of about 1 / 3 that of iron and excellent energy absorption properties has been increased in order to reduce fuel consumption by reducing the weight of components. [0003] For example, examples of aluminum alloy sheets used as automotive componen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B9/04B32B15/20B32B7/12
CPCB32B15/016C22C21/06C22C2202/00C22C2204/00
Inventor 巽明彦高田悟
Owner KOBE STEEL LTD
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