A product composed of multiple components

A product and component technology, which is applied in the field of products composed of multiple components, can solve the problems of uniform alloying and uneconomical unsuitable planar areas, and achieve the minimization of the risk of contact corrosion and the lowest risk of contact corrosion Effect

Active Publication Date: 2019-06-21
GM GLOBAL TECH OPERATIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is especially suitable for the alloying of linear regions, but not for the uniform alloying of planar regions
Furthermore, the use of lasers is only economical for optimizing small areal sections of sheet metal or components, but not for larger areal sections

Method used

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  • A product composed of multiple components
  • A product composed of multiple components
  • A product composed of multiple components

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] figure 1 The different stages of the method according to the invention are shown schematically. exist figure 1 In the first stage shown on the left of , the metal sheet to be processed is placed on a stack 6 as flat, sheet-shaped sheet metal cut-offs 1 . The metal sheet 1 consists of low-alloy steel, preferably IF steel (ultra-low carbon steel).

[0031] figure 1 A screen printing machine 20 is shown on the right next to the metal sheet stack 6 , into which the sheet metal cut sections 1 are placed individually from the stack 6 . The amorphous substance is coated on a first area of ​​the surface of each sheet cut section 1 in a screen printing machine 20 . The amorphous mass contains one or more alloying elements in the form of a powder suspended in a liquid, optionally mixed with a binder. In case the metal sheet 1 is a steel sheet, the alloying element may in particular be carbon. However, nitrogen, manganese, silicon, chromium or nickel are also conceivable. I...

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PUM

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Abstract

The invention relates to a product assembled from a plurality of components, wherein said component comprises a sheet metal and at least one accessory (13, 15, 17) treated according to a method comprising the following steps: a) at A first region (2) of at least one surface of the metal plate (1, 7) is coated with an amorphous substance (3), wherein the amorphous substance (3) contains at least one alloying element and makes the a second region (4) of said surface is free of said amorphous substance (3), and b) at least locally heating said metal sheet (1, 7) and / or said amorphous substance (3) so that all Said alloying elements are alloyed into a first region (2) of said metal sheet (1, 7), while said second region (4) remains unalloyed.

Description

technical field [0001] The invention relates to a product composed of multiple components. Background technique [0002] Methods are known for the treatment of metal sheets, the aim of which is to produce sheet metal parts with optimized properties locally in partial regions. [0003] Sheet metal parts with locally optimized properties can be produced by local fusion or alloying of corresponding alloying elements. Document DE 196 50 258 A1 describes a method for the laser alloying of metal components by feeding alloy components in the form of rods or wires. This method is particularly suitable for the alloying of linear regions, but not for the homogeneous alloying of planar regions. Furthermore, the use of a laser is economical only for optimizing small areal parts of metal sheets or components, but not for larger areal parts. Contents of the invention [0004] The problem underlying the invention is to provide an inexpensive method for treating metal sheets, with whic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/68C21D1/09C23C24/10
CPCC23C10/28C21D1/673C21D1/72C21D3/00C21D3/10C21D8/1294C21D9/46C21D9/48C21D2201/03C21D2221/00C23C10/04
Inventor H.鲍姆加特R.桑德斯
Owner GM GLOBAL TECH OPERATIONS LLC
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