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Composite soldering material, preparation method thereof and method of using composite soldering material to solder TiBw/TC4 titanium-based composite material

A technology of titanium-based composite materials and composite solders, applied in the direction of welding/cutting media/materials, welding media, manufacturing tools, etc., to achieve high-temperature strength and stiffness, high-temperature strength, and reduce the effect of compound content

Active Publication Date: 2013-08-28
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the problem that it is difficult to obtain joints with high high-temperature strength by brazing titanium-based composite materials with a single brazing filler metal, and provides a composite brazing filler metal and a preparation method and brazing TiBw / TC4 titanium-based composite materials using the composite brazing filler metal Methods

Method used

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  • Composite soldering material, preparation method thereof and method of using composite soldering material to solder TiBw/TC4 titanium-based composite material
  • Composite soldering material, preparation method thereof and method of using composite soldering material to solder TiBw/TC4 titanium-based composite material
  • Composite soldering material, preparation method thereof and method of using composite soldering material to solder TiBw/TC4 titanium-based composite material

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specific Embodiment approach 2

[0023] Specific embodiment two: the difference between this embodiment and specific embodiment one is: TiB in the composite solder 2 The volume percentage of the particles is 3% to 20%.

specific Embodiment approach 3

[0024] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: TiB in the composite solder 2 The volume percentage of particles is 5% to 10%.

specific Embodiment approach 4

[0025] Specific embodiment four: prepare the method for a kind of composite solder described in embodiment one, specifically prepare according to the following steps:

[0026] TiB 2 The particles are evenly coated on the surface of the TiZrCuNi amorphous foil to complete the preparation method of the composite solder, wherein the binder is composed of hydroxyethyl cellulose and distilled water, and the mass ratio of hydroxyethyl cellulose to distilled water is 1:98~ 99.

[0027] Specific embodiment five: utilize the method for brazing TiBw / TC4 titanium-based composite material of composite brazing filler metal described in embodiment one, specifically complete according to the following steps:

[0028] 1. Use 400#, 600#, and 800# metallographic sandpaper to polish the TiBw / TC4 titanium-based composite material until the surface is bright to obtain the base material;

[0029] 2. Immerse the base metal obtained in step 1 in acetone, ultrasonically clean it for 10 minutes to 40...

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Abstract

The invention relates to a composite soldering material, a preparation method thereof and a method of using the composite soldering material to solder a TiBw / TC4 titanium-based composite material, and aims at solving the problem that joints with high high-temperature strength are difficult to obtain by using a single soldering material to solder the titanium-based composite material. The composite soldering material is prepared by uniformly coating TiB2 particles on the surface of TiZrCuNi amorphous foil by binder. The soldering method includes: 1, grinding a base material; 2, cleaning the base material; and 3, soldering. By adopting the composite soldering material prepared by the method, effective connection of the TiBw / TC4 titanium-based composite material can be realized, and a connecting joint has high high-temperature strength. The composite soldering material prepared by the method is used for soldering the TiBw / TC4 titanium-based composite material.

Description

technical field [0001] The invention relates to a composite solder, a preparation method and a method for brazing composite materials with the composite solder. Background technique [0002] As an important class of engineering materials, titanium alloy has the advantages of low density and high room temperature strength, and is widely used in aerospace, chemical industry, biomedicine and marine engineering and other fields. However, the disadvantages of titanium alloys such as poor wear resistance and low high-temperature strength limit the application of titanium alloys to a large extent. Adding high-strength, high-hardness ceramic reinforcements to ferroalloys to prepare titanium-based composites can significantly improve their room-temperature mechanical properties and high-temperature creep strength, allowing them to be further used in commercial vehicles, aerospace and advanced military applications. [0003] Titanium matrix composite reinforcements can be divided int...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/24B23K35/40B23K1/008
Inventor 张杰董芸松黄陆军刘春风王国超王天鹏王鑫华徐玉巫向阳孙妍李春辉
Owner HARBIN INST OF TECH
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