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Brazing titanium-copper alloy with high strength and corrosion resistance

A titanium-copper alloy, corrosion-resistant technology, used in welding media, welding equipment, metal processing equipment, etc., can solve the problem of low brazing strength of silicon bronze alloy solder, hindering the production and application of solder alloy, and fast work hardening, etc. problems, to achieve the effect of reducing the work hardening rate, improving the workability, and improving the workability

Inactive Publication Date: 2012-01-11
TIANJIN JINLONG WELDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the brazing strength of this silicon bronze alloy solder is not high, the corrosion resistance is poor, and the work hardening is fast, so repeated annealing and pickling are required in wire drawing production.
Long production cycle, high energy consumption, large loss and serious pollution have hindered the production and application of this solder alloy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: Composed of the following components: 2.8kg Si, 1.0kg Mn, 0.2kg Ti, 0.05kg Ce, 95.95kg Cu.

[0012] The composition of the present invention is made into welding wire by conventional solder processing technology.

Embodiment 2

[0013] Example 2: Composed of the following components: 3.5kg Si, 1.2kg Mn, 0.4kg Ti, 0.08kg Ce, 94.82kg Cu.

Embodiment 3

[0014] Example 3: Composed of the following components: 3.2kg Si, 1.1kg Mn, 0.3kg Ti, 0.07kg Ce, 95.33kg Cu.

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PUM

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Abstract

The invention discloses a brazing titanium-copper alloy with high strength and corrosion resistance. The brazing titanium-copper alloy comprises the following ingredients in percentage by mass: 2.8-3.5% of Si, 1.0-1.2% of Mn, 0.2-0.4% of Ti, 0.05-0.08% of Ce and the rest amount of Cu. The brazing titanium-copper alloy disclosed by the invention has the advantages of high brazing strength, excellent corrosion resistance and good machining performance. As a small amount of Ti and Ce is added in the Cu-Si alloy, the brazing alloy provided by the invention has an obviously-fined grain size for casting line blanks, and the grain size is about one third of that of the S211 alloy.

Description

technical field [0001] The invention relates to the field of brazing alloy materials, more specifically, relates to a high-strength corrosion-resistant brazing titanium-copper alloy. Background technique [0002] At present, S211 (Cu+2.7~3.5%Si+1.0~1.5%Mn) silicon bronze alloy solder is mostly used for laser brazing of automobile body panels, MIG arc brazing and other welding wires, and the annual consumption at home and abroad exceeds 5,000 tons. However, the brazing strength of this silicon bronze alloy solder is not high, the corrosion resistance is poor, and the work hardening is fast, so repeated annealing and pickling are required in wire drawing production. The production cycle is long, the energy consumption is high, the loss is large, and the pollution is serious, so the production and application of the solder alloy have been hindered. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/30
Inventor 何广年曹颜顺
Owner TIANJIN JINLONG WELDING MATERIAL
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