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Aluminum alloy clad material for molding

A technology of aluminum alloy cladding and forming processing, which is applied in the direction of metal layered products, metal processing equipment, welding/cutting media/materials, etc., and can solve cladding interface peeling, decreased productivity of cladding materials, and abnormal bubbling quality and other problems, to achieve excellent SCC resistance, excellent SS mark resistance, and prevent poor adhesion

Inactive Publication Date: 2014-10-01
FURUKAWA SKY ALUMINUM CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the case of Al-Mg-based alloys for automobile body panels, when clad rolling is performed by a conventional method, poor adhesion between the core material and the skin material is likely to occur, and the cladding interface peeling, cladding ratio, etc. Defects, quality abnormalities called blisters, and productivity declines in cladding materials have caused various problems, so it is difficult to actually use them on a mass-production scale

Method used

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  • Aluminum alloy clad material for molding
  • Aluminum alloy clad material for molding
  • Aluminum alloy clad material for molding

Examples

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Embodiment

[0081] Hereinafter, examples of the present invention will be described together with comparative examples. In addition, the following examples are used to illustrate the effects of the present invention, and the steps and conditions described in the examples do not limit the technical scope of the present invention.

[0082] First, the alloy symbols B~O used as the core material or the skin material raw materials of the composition shown in Table 1 and the alloy symbols A, P, Q used as the comparative example were smelted according to the conventional method, and the alloy symbols used as the materials shown in Table 2 and 3 were smelted respectively. The alloy symbols 3-5, 7-29, 32-57 of the intercalation material raw materials showing the composition, and the alloy symbols 1, 2, 6, 30-31 as the comparative example of the intercalation material, and they were cast by DC casting method Cast as slab. In addition, in Table 1, alloys having component compositions outside the sc...

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Abstract

An aluminum alloy clad material for molding is equipped with: an aluminum alloy core material comprising 3.0-10 mass% of Mg, with the remainder comprising Al and unavoidable impurities; an aluminum alloy coating material that is clad on one or both surfaces of the core material, that has a thickness of 3-30% the total sheet thickness on one surface, and that comprises 0.4-5.0 mass% of Mg, with the remainder comprising Al and unavoidable impurities; and an aluminum alloy insert material that is interposed between the core material and the coating material and that has a solidus temperature of at most 580 DEG C.

Description

technical field [0001] The present invention relates to a material or component of various automobiles, ships, aircraft, etc., such as automobile body panels and body panels, or building materials, structural materials, and various mechanical appliances, household electrical appliances or parts thereof, etc. The raw material is an aluminum alloy cladding material for molding used for molding. Background technique [0002] In the past, cold-rolled steel sheets have been mainly used as body panels for automobiles in many cases, but recently aluminum alloy rolled sheets have been increasingly used from the viewpoint of weight reduction and the like. In addition, since automobile body panels are used by performing press work, they are required to have high strength and excellent formability. At present, as such aluminum alloys for automobile body panels, in addition to Al—Mg alloys, aging Al—Mg—Si alloys or Al—Mg—Si—Cu alloys are mainly used. Among them, Al—Mg-based alloys con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00B23K20/04B23K35/28B32B15/01C22F1/00C22F1/043C22F1/047C22F1/057
CPCC22F1/057B23K35/0238B23K35/286C22F1/047C22C21/16C22C21/00C22C21/02Y10T428/12764C22F1/00C22C21/06C22C21/14C22C21/08C22C21/12B32B15/01B32B15/016C22C21/18B23K35/28C22F1/043
Inventor 竹田博贵日比野旭
Owner FURUKAWA SKY ALUMINUM CORP
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