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Ceramic welding method and ceramic welding equipment

A ceramic welding and ceramic technology, which is applied in welding equipment, laser welding equipment, electron beam welding equipment, etc., can solve the problems of low connection force between the first ceramic workpiece and the second ceramic workpiece, insufficient overall strength of the ceramic workpiece, etc., and achieve reduction Effects of thermal stress, tight connection, and overall strength improvement

Active Publication Date: 2022-02-08
TSINGHUA UNIV
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Problems solved by technology

[0005] The main purpose of the embodiments of the present application is to provide a ceramic welding method and ceramic welding equipment, aiming to solve the technical problem of insufficient overall strength of the ceramic workpiece due to the low connection force between the first ceramic workpiece and the second ceramic workpiece

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  • Ceramic welding method and ceramic welding equipment
  • Ceramic welding method and ceramic welding equipment
  • Ceramic welding method and ceramic welding equipment

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Embodiment Construction

[0043] With the wide application of ceramics, the welding technology of ceramics has also attracted public attention. The welding technology in related technologies is usually: before welding, the first ceramic workpiece and the second ceramic workpiece to be welded correspond to the weld seam by means of electroplating. A metal layer is formed on a part of the surface, and then the first ceramic workpiece and the second ceramic workpiece are brought close to each other, and the welding seam between the first ceramic workpiece and the second ceramic workpiece is filled with metal solder, and the metal solder is heated, and the melted metal solder can be combined with the The metal layers of the first ceramic workpiece and the second ceramic workpiece are bonded to achieve welding between the first ceramic workpiece and the second ceramic workpiece.

[0044] However, in the related art, due to the large difference in the thermal expansion coefficient between the metal and the ce...

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Abstract

The embodiment of the invention belongs to the field of ceramic welding, and particularly relates to a ceramic welding method and ceramic welding equipment which are used for solving the technical problem that the connecting force of a first ceramic workpiece and a second ceramic workpiece is low. According to the ceramic welding equipment, the first ceramic workpiece is provided with a first joint end face for welding, and the second ceramic workpiece is provided with a second joint end face for welding; welding flux is added between the first joint end face and the second joint end face, and the welding flux comprises ceramic powder. The welding flux is heated, so that the ceramic powder forms a sintered body connecting the first joint end face and the second joint end face, and tight connection of the first joint end face and the second joint end face is achieved. In the embodiment of the invention, the welding flux comprises the ceramic powder, so that the formed sintered body is roughly the same as the first ceramic workpiece and the second ceramic workpiece in material, the thermal stress between the first joint end face and the second joint end face is reduced, and the connection force between the first joint end face and the second joint end face is enhanced.

Description

technical field [0001] The embodiments of the present application belong to the field of ceramic welding, and in particular relate to a ceramic welding method and ceramic welding equipment. Background technique [0002] Ceramic materials have the characteristics of high strength, high hardness, high temperature resistance, corrosion resistance, and good insulation, and are widely used in the fields of electronics industry, machinery manufacturing, automation control, and aerospace. Due to the high brittleness of ceramic materials, it is difficult to make parts with complex structures. Therefore, multiple ceramic workpieces with small volumes are often made first, and then the multiple ceramic workpieces are connected together by welding to form complex ceramic parts. [0003] In the related art, before welding, a metal layer is formed on the surface of the corresponding part of the first ceramic workpiece and the second ceramic workpiece to be welded by electroplating, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/21B23K15/00
CPCB23K26/21B23K15/00
Inventor 胡楚雄赵紫延汪泽
Owner TSINGHUA UNIV
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