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a ti 2 Preparation method of alc particle reinforced copper matrix composite material

A copper-based composite material and particle reinforcement technology, which is applied in the field of composite material preparation, can solve the problems affecting the reinforcement effect of AlC particles, affecting the electrical and mechanical properties of composite materials, etc., to improve hardness and strength, easy preparation method, and improve dispersion sexual effect

Active Publication Date: 2020-07-31
YANCHENG INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Traditional powder metallurgy, casting, spray deposition and other processes cannot effectively solve Ti 2 The dispersion of AlC particles in the copper matrix material directly affects the Ti 2 The reinforcement effect of AlC particles, which in turn affects the electrical and mechanical properties of composite materials

Method used

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  • a ti <sub>2</sub> Preparation method of alc particle reinforced copper matrix composite material
  • a ti <sub>2</sub> Preparation method of alc particle reinforced copper matrix composite material

Examples

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preparation example Construction

[0023] A kind of Ti 2 The preparation method of AlC particle reinforced copper-based composite material, comprises the steps:

[0024] Step 1: Put Ti 2 AlC particles are put into the mixed solution of alcohol and acetone, and dispersed at high speed to make dispersed Ti 2 AlC particle suspension;

[0025] Step 2: Perform surface treatment on the fully annealed oxygen-free pure copper plate to remove surface oil and oxide film;

[0026] Step 3: Distributed Ti 2 The AlC particle suspension is evenly sprayed on the surface of the treated pure copper plate, and then a layer of pure copper plate is laminated on the surface. After fastening, rolling, and cutting in half, repeat the above process, and continue to spray Ti 2 AlC particles, Ti as sprayed 2 The volume fraction of AlC is 2 to 4% of the pure copper plate, and the plate is obtained by cumulative rolling of multiple passes;

[0027] Step 4: Do not add Ti 2 AlC particles, the plate obtained in step 3 continues to be a...

Embodiment 1

[0037] In this embodiment, 2vol% Ti is added 2 Preparation of Ti by Cumulative Rolling of AlC Particles 2 AlC particle reinforced copper matrix composite material is taken as an example, the size of oxygen-free pure copper plate is 200mm×25mm×1mm, Ti 2 The size of AlC particles is 100-200nm. The Ti 2 The preparation method of AlC particle reinforced copper matrix composite material is:

[0038] Step 1: Add 0.45g of Ti 2 Put the AlC particles into the mixed solution of 200ml alcohol and acetone and disperse at high speed for 30min to make Ti 2 AlC particle suspension;

[0039] Step 2: Perform surface treatment on the fully annealed oxygen-free pure copper plate to remove surface oil and oxide film;

[0040] Step 3: Put half of the dispersed Ti 2 The AlC particle suspension is evenly sprayed on the surface of the copper plate, and then the two copper plates are superimposed, fastened, rolled, cut in half, repeat the above process, and add Ti 2 AlC particles, carry out 2 ...

Embodiment 2

[0044] In this embodiment, 2vol% Ti is added 2 Preparation of Ti by Cumulative Rolling of AlC Particles 2 AlC particle reinforced copper matrix composite material is taken as an example, the size of oxygen-free pure copper plate is 200mm×25mm×1mm, Ti 2 The size of AlC particles is 100-200nm. The Ti 2 The preparation method of AlC particle reinforced copper matrix composite material is:

[0045] Step 1: Add 0.45g of Ti 2 Put the AlC particles into the mixed solution of 200ml alcohol and acetone and disperse at high speed for 30min to make Ti 2 AlC particle suspension;

[0046] Step 2: Perform surface treatment on the fully annealed oxygen-free pure copper plate to remove surface oil and oxide film;

[0047] Step 3: Put half of the dispersed Ti 2 The AlC particle suspension is evenly sprayed on the surface of the copper plate, and then the two copper plates are superimposed, fastened, rolled, cut in half, repeat the above process, and add Ti 2 AlC particles, carry out 2 ...

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Abstract

The invention discloses a Ti 2 The preparation method of AlC particle reinforced copper-based composite material belongs to the field of composite material preparation, and the specific steps are to prepare Ti 2 AlC particle suspension; and then surface treatment on the fully annealed oxygen-free pure copper plate; then the dispersed Ti 2 AlC particle suspension is evenly sprayed on the surface of the copper plate, and then the two copper plates are superimposed, fastened, rolled, cut in half, repeat the above process several times, and continuously add Ti 2 AlC particles; finally, the plate continues to be accumulated and rolled for multiple passes. The preparation method of the present invention can significantly improve the dispersion of reinforcing particles in the matrix, and through the synergistic effect of particle strengthening, fine-grain strengthening and work hardening, the hardness and strength of the composite material can be significantly improved without significantly reducing its electrical conductivity . The preparation method of the invention is easy to operate, simple in process, low in cost and capable of mass production.

Description

technical field [0001] The invention belongs to the field of composite material preparation, in particular to a Ti 2 Preparation method of AlC particle reinforced copper matrix composite material. Background technique [0002] With the rapid development of industries such as machine manufacturing, electronic communication, rail transit, instrumentation and military industry, people have higher and higher requirements for the strength, electrical conductivity, thermal conductivity and fatigue performance of copper and its alloys. [0003] The strength and wear resistance of the matrix can be effectively enhanced by adding reinforcing phases (ceramic particles, whiskers, fibers, carbon nanotubes, graphene, etc.) to copper and its alloys. In general, the mechanical properties of Cu-based composites increase with the increase of the reinforcement phase content, however, the electrical conductivity of the composite material decreases significantly when the reinforcement phase co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/10C22C9/00C22C32/00
CPCC22C1/1026C22C9/00C22C32/0052
Inventor 刘学然曹宇豪安晶庞绍平苏桂花姜翠凤杨子润
Owner YANCHENG INST OF TECH