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Aluminum alloy foil, laminate, method for manufacturing aluminum alloy foil, and method for manufacturing laminate

A technology of an aluminum alloy foil and a manufacturing method, applied in the field of aluminum alloy foil, can solve problems such as easy corrosion, and achieve the effect of improving corrosion resistance

Active Publication Date: 2021-10-29
TOYO ALUMINIUM KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] On the other hand, general aluminum alloys tend to corrode if exposed to water, moisture, salt water, etc.

Method used

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  • Aluminum alloy foil, laminate, method for manufacturing aluminum alloy foil, and method for manufacturing laminate
  • Aluminum alloy foil, laminate, method for manufacturing aluminum alloy foil, and method for manufacturing laminate
  • Aluminum alloy foil, laminate, method for manufacturing aluminum alloy foil, and method for manufacturing laminate

Examples

Experimental program
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Embodiment

[0065] As described below, samples of the aluminum alloy foils of Examples and Comparative Examples of the present embodiment were produced, and their salt water resistance, heat-and-moisture resistance, and surface hardness were evaluated.

[0066] First, the aluminum alloy foils of Examples and Comparative Examples shown in Table 1 and Table 2 were produced by using ingots of aluminum having different compositions through the production steps shown below.

[0067] [Table 1]

[0068]

[0069] [Table 2]

[0070]

[0071] The aluminum alloy foils of Examples 1 to 12 and Comparative Examples 1 to 15 and 17 were produced by casting an aluminum alloy adjusted to a predetermined composition to produce an aluminum alloy plate, and then cold rolling the aluminum alloy plate. The aluminum alloy foils of Comparative Examples 16 and 18 were produced by casting an aluminum alloy adjusted to a predetermined composition to produce an aluminum alloy plate, and performing a homogeniza...

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Abstract

An aluminum alloy foil (1) is an aluminum alloy foil having a first surface (1A). The aluminum alloy foil (1) contains: aluminum; silicon; 0.4-3.04 mass% of manganese; 0.03-0.08 mass% of iron; 0.00001-0.03 mass% of zinc; 0.00001-0.02 mass% of copper; and 0.00001-0.01 mass% of magnesium. In the aluminum alloy foil (1), the total content of silicon and iron is 0.1 mass% or less. In the aluminum alloy foil (1), the mass ratio of manganese relative to the total mass of silicon and iron is 7.0 or more. On the first surface (1A), the area ratio of second phase particles having a circle-equivalent diameter of 1.5 [mu]m or more is 0.1% or less.

Description

technical field [0001] The present invention relates to an aluminum alloy foil, a laminate, a method for producing the aluminum alloy foil, and a method for producing the laminate. Background technique [0002] In recent years, from the viewpoint of reducing the environmental load, further reduction in weight has been desired for aircraft, railway vehicles, and automobiles used in moving mechanisms. In addition, from the viewpoint of handling, further reduction in weight is also desired for members used in fields such as various mechanical parts, electrical and electronic related members, building materials, and household use. [0003] Based on such a background, when metal materials are used for these components, weight reduction of components can be achieved by using aluminum and / or aluminum alloys with lower density instead of steel materials and copper with relatively high density. [0004] On the other hand, general aluminum alloys are easily corroded if exposed to wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22F1/00C22F1/04B32B15/04
CPCC22F1/04C22F1/00C22C21/00B32B15/04C22C21/02C22F1/043C21D8/0236B21B1/40
Inventor 新宫享大八木光成
Owner TOYO ALUMINIUM KK