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Metal sheet and method for its manufacture

A technology of plates and bottom plates, applied in the direction of manufacturing tools, sheets/plates, metal rolling, etc., can solve problems such as difficult maintenance work

Inactive Publication Date: 2016-06-22
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Repair work in such conditions becomes extremely difficult

Method used

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  • Metal sheet and method for its manufacture
  • Metal sheet and method for its manufacture
  • Metal sheet and method for its manufacture

Examples

Experimental program
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Embodiment Construction

[0039] figure 1 The different stages of the method for producing a panel according to the invention are schematically shown. In the first stage, if figure 1 As shown on the left, a base plate 1 consisting of a low-alloy aluminum sheet, preferably an alloy of the alloy series 1xxx, is uncoiled from a coil 2 .

[0040] The reinforcement 3 in the form of a wire is drawn out of the coil 9 . The reinforcing element 3 can also consist of a plurality of wires which are uncoiled from adjacent coils 9 .

[0041] The reinforcement 3 here consists of a thermally curable aluminum alloy, preferably of the alloy series 6xxx. When in the initial state on the coil 9 , the reinforcement 3 has a greater strength than the base material 1 . The strength difference should be at least 200MPa.

[0042] The bottom plate 1 and the reinforcement 3 pass through the etching tank 11 . The etch bath can contain NaOH or HNO 3 . The oxide covering the surface of the base plate 1 and the reinforcement...

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Abstract

A metal sheet that features a substructure (1) of a first aluminum alloy and at least one reinforcement (3) that is pressed into at least one surface of the substructure (1), wherein the reinforcement (3) has in at least a direction extending parallel to the surface a large extent in relation to the thickness of the metal sheet and consists of a second aluminum alloy that is harder than the first aluminum alloy.

Description

technical field [0001] The invention relates to a panel having a base plate made of light metal and at least one reinforcement element pressed into at least one surface of the base plate. Background technique [0002] Methods are known for processing sheet metal with the aim of producing sheet metal parts with locally adjusted properties, in particular of higher strength. [0003] Sheet metal parts with locally higher strengths can be produced by enlarging the material thickness. DE 10 2006 034 620 A1 describes a method for producing a sheet metal part, in which reinforcements are applied in the region of the base plate by means of laser welding. Since no pressure can be exerted at the welding site during laser welding, the quality of the weld depends largely on how soft the reinforcement is under the influence of the laser radiation and how tightly the reinforcement thus rests on the base plate. The quality of the laser radiation thus has a great influence on the welding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D39/03F16S1/00
CPCB21B3/00B21B2003/001C21D9/48C22F1/04B23K20/04Y10T428/12764
Inventor R.桑德斯H.鲍姆加特
Owner GM GLOBAL TECH OPERATIONS LLC
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