Flame-retardant graphene titanium-based composite and preparation method

A titanium-based composite material and a technology for the composite material are applied in the field of flame-retardant graphene-based titanium-based composite materials and preparation, which can solve the problems such as the difficulty of uniform dispersion of graphene, and achieve the effects of excellent physical and chemical properties, uniform distribution and broad application prospects.

Active Publication Date: 2018-08-14
AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem that graphene is difficult to uniformly disperse in titanium alloy matrix, the present invention proposes a flame-retardant graphene titanium-based composite material and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0025] The preparation method of the flame-retardant graphene-titanium-based composite material is obtained through the following steps.

[0026] (1) Put 50-150 mg of graphene oxide into 100 mL of deionized water, and use an ultrasonic cell pulverizer for dispersion treatment. The working time of the ultrasonic cell pulverizer is 60-120 min, and the working frequency is 2 s of vibration and 3 s of gap to prepare graphite oxide Alkene solution;

[0027] (2) 511mg of CuCl 2 2H 2 O was put into 200mL of deionized water, stirred until it was completely dissolved, and 200mL of CuCl with a concentration of 0.015mol / L was prepared. 2 solution;

[0028] (3) 3522mg ascorbic acid (C 6 h 8 o 6 ) into 100mL of deionized water, stirred until completely dissolved, and prepared 100mL of ascorbic acid solution with a concentration of 0.2mol / L;

[0029] (4) 37.8mg of NaBH 4 Put it into 100mL deionized water, stir until completely dissolved, and prepare 100mL NaBH with a concentration o...

Embodiment 1

[0041] 1# flame-retardant graphene titanium-based composite material, comprising the following composition by mass percentage: graphene oxide is 0.2wt%, Cu is 13wt%, Al is 4wt%, Mo is 4wt%, Zr is 2wt%, the rest For Ti. The preparation method is as follows:

[0042] (1) Put 400mg of graphene oxide into 400mL of deionized water, and use an ultrasonic cell pulverizer for dispersion treatment. The working time of the ultrasonic cell pulverizer is 60-120min, and the working frequency is 2s of vibration and 3s of gap to prepare a graphene oxide solution ;

[0043] (2) 2044mg of CuCl 2 2H 2 O was put into 800mL of deionized water, stirred until it was completely dissolved, and 800mL of CuCl with a concentration of 0.015mol / L was prepared. 2 solution;

[0044] (3) 14088mg ascorbic acid (C 6 h 8 o 6 ) into 400mL of deionized water, stirred until completely dissolved, and prepared 400mL of ascorbic acid solution with a concentration of 0.2mol / L;

[0045] (4) 151.2mg of NaBH 4 ...

Embodiment 2

[0056] 2# Flame-retardant graphene-titanium-based composite material, including the following composition by mass percentage: graphene oxide is 1wt%, Cu is 18wt%, Al is 2wt%, Mo is 2wt%, and the rest is Ti. The preparation method is as follows:

[0057] (1) Put 1000mg of graphene oxide into 1000mL of deionized water, and use an ultrasonic cell pulverizer for dispersion treatment. The working time of the ultrasonic cell pulverizer is 60-120min, and the working frequency is 2s of vibration and 3s of gap to prepare a graphene oxide solution ;

[0058] (2) 5110mg of CuCl 2 2H 2 O was put into 2000mL of deionized water, stirred until completely dissolved, and 2000mL of CuCl with a concentration of 0.015mol / L was prepared. 2 solution;

[0059] (3) 35220mg ascorbic acid (C 6 h 8 o 6 ) into 1000mL of deionized water, stirred until completely dissolved, and prepared 1000mL of ascorbic acid solution with a concentration of 0.2mol / L;

[0060] (4) 378mg of NaBH 4 Put it into 1000...

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Abstract

The invention provides a flame-retardant graphene titanium-based composite and a preparation method, and aims to solve the problem that graphene is hard to uniformly disperse in a titanium alloy material. The flame-retardant graphene titanium-based composite comprises the following components in percentage by mass: 0.01-1wt% of a graphene oxide and a titanium-copper series alloy. The preparation method of the flame-retardant graphene titanium-based composite comprises the following steps: at first, uniformly loading the surface of a graphene oxide nanosheet with a copper element in deionized water through a chemical method; then, uniformly mixing copper-loaded graphene oxide powder with titanium-copper series alloy powder in absolute ethanol by utilizing a mechanical stirring method; and after drying, acquiring the composite being excellent in structure property through a combination of the processes such as sheath vacuumizing treatment and hot isostatic pressing. The flame-retardant graphene titanium-based composite provided by the invention is designed to be a new-concept material; and the preparation method is simple, reliable, and broad in application prospect.

Description

technical field [0001] The invention belongs to the technical field of titanium alloy materials, and relates to a titanium-based composite material and a preparation method, in particular to a flame-retardant graphene titanium-based composite material and a preparation method. Background technique [0002] With the leapfrog development of a new generation of advanced aerodynamic equipment, there is an urgent need for titanium alloy materials that integrate functions and structures. At present, the performance of traditional titanium alloy materials has approached or reached the theoretical limit, and the research and development of new titanium alloy materials with better comprehensive performance has attracted great attention from all over the world. [0003] Due to its excellent mechanical properties and physical and chemical properties, graphene has quickly become an ideal reinforcement for functional and structural integration materials. At present, it has developed rapi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C14/00C22C1/05
CPCC22C1/05C22C14/00C22C1/0458C22C32/001
Inventor 弭光宝陈航曹春晓
Owner AVIC BEIJING INST OF AERONAUTICAL MATERIALS
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