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A kind of manufacturing method of large-area titanium-copper thin plate

A production method and technology of copper thin plate, applied in the direction of manufacturing tools, metal processing equipment, welding equipment, etc., can solve the problems of high dissolution rate, uneven wall thickness, and inability to apply pressure to process, so as to ensure surface flatness and control dissolution Effect

Active Publication Date: 2021-08-06
XIAN YUANHANG VACUUM BRAZING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For large-area (L×W≥1000mm×1000mm) thin-walled titanium-copper sheets (≤4mm), bimetal casting cannot be formed due to the large difference in melting temperature between titanium and copper; The ductility of the material is different, and the titanium-copper thin plate is prone to cracks during the processing, and the thickness of the titanium and copper cannot be accurately controlled, especially for the larger-sized composite plate, there are still problems such as uneven wall thickness; the diffusion connection is due to the area Large, unable to process under pressure
Using large-area brazing technology, the tooling structure is simple, economical and fast, which is an ideal technical solution, but there are also technical difficulties such as high corrosion rate, high temperature and large-area deformation control, and no successful case reports have been seen before.

Method used

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  • A kind of manufacturing method of large-area titanium-copper thin plate
  • A kind of manufacturing method of large-area titanium-copper thin plate
  • A kind of manufacturing method of large-area titanium-copper thin plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Cylindrical tensioning tool, reference Figure 1 to 3 The cylindrical tensioning tool includes a sleeve-shaped tensioning tool, the titanium sheet, the Ag solder, and the copper sheet are sequentially positioned in turn along the circumferential direction and mounted on the outer surface of the sleeve-shaped pull-up tool. The sleeve structure of the sleeve-shaped tensioning tool is provided with a pull-up of the tensioning member is applied to the outer to the inner to the titanium sheet, the Ag solder and the copper sheet are applied to the two ends of each layer of the sheet to apply pull in the circumferential direction.

[0031] Further, reference Figure 1 to 3 The cylindrical tensioning tool includes a cylindrical body 1, and the cylinder 1 of the present embodiment employs a cylindrical structure prepared by a material prepared by a material that is not easily deformed, and the cylinder is preferably prepared by stainless steel material; The outer sleeve of the body 1 ...

Embodiment 2

[0039] refer to figure 2 , A method of fabricating a large-area titanium bronze sheet includes the following steps:

[0040] (1) The titanium sheet 1 and the copper sheet 3 are cut and surface treatment; the thickness of the titanium copper sheet is ≤4 mm;

[0041] (2) Position the titanium sheet 1, the Ag solder 2, and the copper sheet 3, sequentially and mounted on the outer surface of the cylindrical tubular tubing tool, the AG solder 2 and the copper sheet 3 are sequentially covered in titanium The surface of the sheet 1; wherein the Ag solder is welded to the surface of the titanium sheet to form an Ag solder layer by the surface of the tinner spot.

[0042] (3) The tubular tubular tubular tubular tubular tubular tape in which the titanium sheet and the copper sheet is applied to the brazing furnace, and the temperature is 0.001 to 0.01Pa, vacuum brazing under conditions of 500 ° C to 900 ° C. 40-60min, then remove the tubular tensioning tool, which is a titanium copper compo...

Embodiment 3

[0054] refer to figure 2 , A large-area titanium bronze sheet fabrication, except that the reaction parameters in the brazing furnace are different from that of Example 2, and the trimness in the brazing furnace is 0.003Pa, the temperature is 500 ° C. The large area of ​​the titanium bronze sheet was performed under conditions, and the composite time was 60 min. The binding ratio of large area titanium copper sheet prepared in this example is 95%.

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Abstract

The invention discloses a method for manufacturing a large-area titanium-copper thin plate. The manufacturing method includes firstly cutting the titanium thin plate and the copper thin plate and performing surface treatment; Position and assemble in the assembly space of the cylindrical tension and compression tooling, and carry out vacuum brazing compounding under the conditions of a vacuum degree of 0.001-0.01Pa and a temperature of 500-900°C in the brazing furnace. After 40-60 minutes of compounding, Remove the cylindrical tension and compression tool to obtain a titanium-copper composite thin plate with a thickness of ≤4mm. The manufacturing method of the large-area titanium-copper thin plate of the present invention can realize the compounding of the large-area titanium-copper thin plate.

Description

Technical field [0001] The present invention belongs to the area of ​​industrial corrosion corrosion, and more particularly to a method for producing a large-area titanium copper sheet. Background technique [0002] Copper is a good conductive, heat dissipation material, but under the conditions of environmental corrosion of chemical, oceans, it needs to perform corrosion protection; titanium has good corrosion resistance, combined with titanium, copper, which can satisfy conductive conductivity Demand, it can also prevent environmental corrosion. For the composite of titanium bronze sheets, several processes such as bimetallic melting, explosive composite + rolling, diffusion joints are generally employed. For large-area (L × W ≥ 1000mm × 1000 mm), a thin-walled titanium copper sheet (≤4 mm), bimetallic molten casting due to titanium, copper melting temperature difference cannot be formed; explosion composite + rolling process due to titanium, copper two metals Due to the ductil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23K1/008
Inventor 任耀文吉小岗任军李俊峰任轩
Owner XIAN YUANHANG VACUUM BRAZING TECH
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