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Aluminum alloy foil

A technology of aluminum alloy foil and aluminum alloy, applied in the field of aluminum alloy foil, can solve the problems of high cost, unreusable containers, and containers that can only be discarded, etc., and achieves the effects of sufficient deformation, prevention of container deflection, and cost reduction.

Inactive Publication Date: 2018-06-08
TOYO ALUMINIUM KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the container cannot be reused in subsequent baking, and the container can only be discarded after each baking, and the cost is high

Method used

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Examples

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Embodiment

[0082] Hereinafter, examples and comparative examples are given to further clarify the present invention.

[0083] As Examples 1 to 3, the aluminum alloy sheets obtained by continuous casting according to the alloy composition in Table 1 below were subjected to intermediate annealing at a temperature of 300° C. for 5 hours at a thickness of 0.5 mm after plate rolling to obtain Aluminum alloy foil with a thickness of 75 μm.

[0084] In addition, as Examples 4 to 6, the aluminum alloy sheets obtained by continuous casting according to the alloy composition in Table 1 below were subjected to intermediate annealing at a temperature of 400° C. for 5 hours at a thickness of 1.2 mm after plate rolling. , and an aluminum alloy foil with a thickness of 75 μm was obtained.

[0085] It should be noted that, regarding the range of each element in the following Table 1, the range of the chemical composition in consideration of the process capability when the alloy is produced in a large m...

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Abstract

The present invention addresses the problem of achieving a desired heat resistance property of an aluminum alloy foil for use as a material for a container, so that the container can withstand repeated use. The aluminum alloy foil is so constructed that the tensile strength of the aluminum alloy foil can be kept at 120 N / mm<2> or more and the aluminum alloy foil can have an elongation of 2.0% or more when the aluminum alloy foil is softened at 150 DEG C for 240 minutes, the tensile strength of the aluminum alloy foil can be kept at 100 N / mm2 or more and the aluminum alloy foil can have an elongation of 3.0% or more when the aluminum alloy foil is softened at 180 DEG C for 240 minutes, and the tensile strength of the aluminum alloy foil can be kept at 90 N / mm2 or more and the aluminum alloyfoil can have an elongation of 3.0% or more when the aluminum alloy foil is softened at 200 DEG C for 240 minutes.

Description

technical field [0001] The present invention relates to an aluminum alloy foil, a container obtained by molding the aluminum alloy foil, and a method for producing the aluminum alloy foil. Background technique [0002] As described in Patent Document 1 below, a container molded from an aluminum alloy foil is used as a baking mold for baking contents such as confectionery and bread. [0003] Since the strength of such a container tends to decrease due to the heat applied when the contents are baked, warpage or deformation occurs when the contents are taken out and cannot withstand repeated use. [0004] For example, when the contents are cakes and bread, the general baking temperature is 150-200°C, and the baking time is 15-30 minutes. When the container is taken out, there is a high probability that the container will be deflected or deformed due to the applied force. [0005] Therefore, the container cannot be reused in subsequent baking, the container can only be discard...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/02C22F1/04C22F1/043C22F1/00
CPCC22C21/00C22C21/02C22F1/04C22F1/043C22F1/00
Inventor 橘高真行秋山聪太郎
Owner TOYO ALUMINIUM KK
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