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Method for producing at least one defined connecting layer between two components of different metals

A technology for connecting layers and components, which is applied in at least one limited field of connecting layers to avoid intragranular corrosion and grain boundary diffusion.

Active Publication Date: 2021-04-09
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

A disadvantage of the described method is that a solder mass needs to be introduced and positioned at the connection point, wherein the size and arrangement of the connection point are influenced by the quality and flow properties of the introduced solder

Method used

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  • Method for producing at least one defined connecting layer between two components of different metals
  • Method for producing at least one defined connecting layer between two components of different metals
  • Method for producing at least one defined connecting layer between two components of different metals

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Embodiment Construction

[0038] Figures 1a to 1d An exemplary representation of the method according to the invention for producing at least one defined connecting layer 20 between two components is shown schematically, wherein the first component 11 is made of a first metallic material and the second component 12 is made of a second metallic material, and the first member 11 has a coating 13 made of a third metallic material, the melting temperature of which is lower than the melting temperatures of the first and second materials.

[0039] exist Figure 1a , the first component 11 is arranged on the second component 12 in a defined connection position. The coating 13 of the first component 11 is located between the first and the second component.

[0040] as in Figure 1b As shown in , the coating 13 is locally heated in this exemplary embodiment by resistive heating of two electrodes 16 to which current is applied. The propagation of heat is shown by dashed line 16a. Accordingly, the coating 13...

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Abstract

The invention relates to a method for producing at least one defined connecting layer between two components, wherein the first component (11) is produced from a first metallic material and the second component (12) is produced from a second metallic material and the first and / or second component (11, 12) has a coating (13) of a third metallic material, the melting temperature of which is lower than the melting temperature of the first and second materials. In this case, the coating (13) of at least one of the components (11, 12) is heated locally to a connecting temperature, which lies above the melting temperature of the third material and lies below the melting temperature of the first material and below the melting temperature of the second material, and is cooled down in order to form a defined connecting layer (20, 22, 24, 26, 28, 36) when the coating (13) solidifies.

Description

technical field [0001] The invention relates to a method for producing at least one defined connecting layer between two components, wherein the first component is made of a first metallic material and the second component is made of a second metallic material and the The first and / or second component has a coating of a third metallic material, the melting temperature of which is lower than the melting temperature of the first and second material. Background technique [0002] For small-area joining of two components made of different metallic materials, it is known, for example, to use material-specific matching welding methods, such as spot welding. In this case, however, the interconnected components are damaged, in particular due to the high temperatures. As a result, especially thin-walled components are often deformed or the surfaces of the components are deformed or discolored in the region of the weld. Furthermore, depending on the material pairing, it is difficult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/00B23K1/002B23K1/06B23K35/00B23K35/26B23K35/28B23K35/30B23K11/11B23K20/10B23K13/01B23K11/20B23K101/34B23K103/18
CPCB23K35/282B23K35/302B23K35/262B23K35/004B23K11/115B23K2101/34B23K2103/18B23K35/30B23K35/00B23K35/28B23K35/26B23K13/02B23K20/10B23K2103/12B23K15/008B23K35/007B23K35/0255
Inventor R·基施纳B·格吕克
Owner BAYERISCHE MOTOREN WERKE AG
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