Preparation device and preparation method for titanium alloy composite material

A composite material and preparation device technology, which is applied in the direction of additive processing, etc., can solve the problems of large arc heat input, affecting the forming accuracy of composite materials, microstructure grains, heat accumulation effect, etc., and achieves small heat input and grain refinement. , The effect of high deposition efficiency

Active Publication Date: 2020-11-06
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the arc wire powder synchronously applied by the above technology can be stacked in layers and obtain composite materials with improved properties, the heat input of the arc is large, which is easy to cause heat accumulation effect, thus affecting the molding accuracy and grain structure of composite materials

Method used

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  • Preparation device and preparation method for titanium alloy composite material
  • Preparation device and preparation method for titanium alloy composite material
  • Preparation device and preparation method for titanium alloy composite material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] This embodiment provides a preparation device for a titanium alloy composite material, such as Figure 1~3 As shown, it includes a gun body, and the nozzle of the gun body is provided with a laser beam channel 1 , a first plasma generating electrode 2 , a second plasma generating electrode 3 , a first wire guide nozzle 4 and a second wire guide nozzle 5 . Wherein, the laser beam channel 1 communicates with the laser generator, the laser beam 6 transmitted by the laser beam channel 1 is located on the central axis, the first plasma generating electrode 2, the second plasma generating electrode 3, the first wire guide nozzle 4 and the second guide wire The nozzles 5 are evenly distributed on the outer circumference of the laser beam passage 1 and form an included angle with the central axis of the laser beam passage 1 . Specifically, the first wire guide nozzle 4 and the second wire guide nozzle 5 respectively form an angle of 50°-70° with the central axis of the laser be...

Embodiment 2

[0042] This embodiment provides a method for preparing a titanium alloy composite material, which is prepared using the titanium alloy composite material preparation device of Example 1, and the steps are as follows:

[0043] Set the first wire guide 4 and the second guide wire 5 to form an included angle of 60° with the central axis of the laser beam passage 1 respectively, and the first plasma generating electrode 2 and the second plasma generating electrode 3 are respectively connected to the central axis of the laser beam passage 1. The axis is at an angle of 25°, the laser power is 1000W, the plasma current is 50A, the deposition speed of solid wire with a diameter of 1.2mm is 1.2m / min, the wire feeding speed is 1.0m / min, and the core with a diameter of 1.6mm The deposition speed of the wire was 0.8 m / min, and the wire feeding speed was 1.0 m / min. Each layer is deposited sequentially along the Z direction in a layered manner, and each layer is deposited in a cross weaving...

Embodiment 3

[0045] This embodiment provides a method for preparing a titanium alloy composite material, which is prepared using the titanium alloy composite material preparation device of Example 1, and the steps are as follows:

[0046] Set the first wire guide 4 and the second guide wire 5 to form an included angle of 60° with the central axis of the laser beam passage 1 respectively, and the first plasma generating electrode 2 and the second plasma generating electrode 3 are respectively connected to the central axis of the laser beam passage 1. The axis is at an angle of 30°, the laser power is 1000W, the plasma current is 50A, the deposition speed of solid wire with a diameter of 1.2mm is 1.2m / min, the wire feeding speed is 1.0m / min, and the diameter of the drug core is 1.6mm The deposition speed of the wire was 0.8 m / min, and the wire feeding speed was 1.0 m / min. Each layer is deposited sequentially along the Z direction in a layered manner, and each layer is deposited in a circular...

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Abstract

The invention discloses a preparation device and preparation method for a titanium alloy composite material. The preparation device comprises a gun body. A laser beam channel, a first plasma generating electrode, a second plasma generating electrode, a first wire guide nozzle and a second wire guide nozzle are arranged on a nozzle of the gun body. A laser beam transmitted by the laser beam channelis located on the central axis of the laser beam channel. The first plasma generating electrode, the second plasma generating electrode, the first wire guide nozzle and the second wire guide nozzle are sequentially and evenly distributed on the periphery of the laser beam channel, and an included angle is formed between the central axis of the laser beam channel and each of the first plasma generating electrode, the second plasma generating electrode, the first wire guide nozzle and the second wire guide nozzle. A laser-plasma composite heat source is used for fusing and depositing a wire, the energy of the composite heat source is concentrated, the heat input in the deposition process is small, composite material grains are refined, few defects exist, the forming precision is high, and the preparation device is simple in structure, easy to implement, high in deposition efficiency and suitable for preparation of large-size composite materials with various properties.

Description

technical field [0001] The invention belongs to the technical field of composite material preparation, and in particular relates to a preparation device and method of a titanium alloy composite material. Background technique [0002] Titanium alloy composite materials have outstanding characteristics such as low density, high specific strength, good corrosion resistance and excellent high-temperature mechanical properties. The field of cutting-edge science plays an important role and has become one of the active research fields in materials science. [0003] Traditionally, the preparation of titanium alloy composite materials is mainly based on powder metallurgy, die casting, sintering, hot isostatic pressing, and stirring casting. The above-mentioned traditional method has defects such as complicated production equipment and high production cost. With the development of laser processing technology, more and more scholars use laser deposition method to prepare high-perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/04B22F3/105B33Y10/00B33Y30/00
CPCC22C1/0458B33Y10/00B33Y30/00B22F2003/1051Y02P10/25
Inventor 韩善果杨永强罗子艺蔡得涛薛亚飞郑世达
Owner SOUTH CHINA UNIV OF TECH
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