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A kind of three-dimensional accumulation body reinforced titanium matrix composite material and its preparation method

A titanium-based composite material and three-dimensional stacking technology, which is applied in the field of three-dimensional stacked reinforced titanium-based composite materials and their preparation, can solve the problems of poor mechanical properties, poor high temperature resistance, and low preparation costs of composite materials, and achieve high damping Capacity, low cost, and simple preparation process

Active Publication Date: 2021-05-11
台州施特自动化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to address the deficiencies of the prior art, and to provide a three-dimensional stacked body reinforced titanium-based composite material, the reinforcement used in the composite material is a three-dimensional structured stacked body formed by stacking two-dimensional structural materials and one-dimensional structural materials , which is uniformly dispersed in the titanium matrix, has high strength, good interface bonding with the matrix, can form a certain network structure in the matrix, and has good thermal stability, which not only improves the mechanical properties of the matrix, but also has low preparation costs, overcoming the In the prior art, the preparation cost of titanium-based composite materials is high, the mechanical properties of the prepared composite materials are poor, and the high temperature resistance is not good.

Method used

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  • A kind of three-dimensional accumulation body reinforced titanium matrix composite material and its preparation method

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Experimental program
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Effect test

Embodiment 1

[0025] (1) dispersing 3g graphene nanosheets in ethanol to make concentration is the graphene nanosheet dispersion liquid of 15wt%; With 0.13g sophorolipid and 0.12g two (hydroxyethyl) methyl dodecyl chlorination Dissolve ammonium in a mixture of ethanol and water with a volume ratio of 2:1, mix the dispersion and the mixture, add them to a three-necked flask, stir at 50°C for 1 hour, then cool to room temperature, add 1g of ethyl orthosilicate dropwise, Continue stirring for 3 hours, filter, wash and dry the filtered solid, place the dried powder in a muffle furnace, and calcinate at 500° C. for 3 hours to obtain a graphene / silicon oxide nanotube array composite;

[0026](2) Dissolve 10mL of titanium tetrachloride in 80mL of ethanol, after stirring and mixing, dropwise add a hydrochloric acid solution with a concentration of 15mol / L, continue stirring for 10min, then add 1mL of deionized water, and stir to obtain a sol; The sol and the graphene / silicon oxide nanotube array co...

Embodiment 2

[0029] (1) dispersing 3g graphene nanosheets in ethanol to make concentration is the graphene nanosheet dispersion liquid of 15wt%; With 0.16g sophorolipid and 0.12g two (hydroxyethyl) methyl dodecyl chlorination Dissolve ammonium in a mixture of ethanol and water with a volume ratio of 2:1, mix the dispersion and the mixture, add them to a three-necked flask, stir at 50°C for 1 hour, then cool to room temperature, add 1g of ethyl orthosilicate dropwise, Continue stirring for 5 hours, filter, wash and dry the filtered solid, place the dried powder in a muffle furnace, and calcinate at 500° C. for 3 hours to obtain a graphene / silicon oxide nanotube array composite;

[0030] (2) Dissolve 10mL of titanium tetrachloride in 80mL of ethanol, after stirring and mixing, dropwise add a hydrochloric acid solution with a concentration of 15mol / L, continue stirring for 10min, then add 1mL of deionized water, and stir to obtain a sol; The sol and the graphene / silicon oxide nanotube array c...

Embodiment 3

[0033] (1) dispersing 3g graphene nanosheets in ethanol to make concentration is the graphene nanosheet dispersion liquid of 15wt%; With 0.14g sophorolipid and 0.12g two (hydroxyethyl) methyl dodecyl chlorination Dissolve ammonium in a mixture of ethanol and water with a volume ratio of 2:1, mix the dispersion and the mixture, add them to a three-necked flask, stir at 50°C for 1 hour, then cool to room temperature, add 1g of ethyl orthosilicate dropwise, Continue stirring for 3.5 hours, filter, wash and dry the filtered solid, place the dried powder in a muffle furnace, and calcinate at 500°C for 3 hours to prepare a graphene / silicon oxide nanotube array composite;

[0034] (2) Dissolve 10mL of titanium tetrachloride in 80mL of ethanol, after stirring and mixing, dropwise add a hydrochloric acid solution with a concentration of 15mol / L, continue stirring for 10min, then add 1mL of deionized water, and stir to obtain a sol; The sol and the graphene / silicon oxide nanotube array ...

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Abstract

The invention discloses a three-dimensional accumulation body reinforced titanium-based composite material. The reinforcement of the composite material is a three-dimensional accumulation body, and the three-dimensional accumulation body is composed of two-dimensional graphene and silicon oxide grown on the surface of the two-dimensional graphene sheet. The nanotube array and the one-dimensional titanium oxide nanowires arranged in the outermost layer are piled up; the matrix of the composite material is titanium or titanium alloy, and the mass ratio of reinforcement to matrix is ​​1: (2-4). Moreover, the invention also discloses a preparation method of the titanium-based composite material. The reinforcing body of the composite material prepared by the invention is evenly dispersed in the titanium matrix, has high strength, good interface bonding with the matrix, can form a certain network structure in the matrix, has good thermal stability, and not only improves the mechanical properties of the matrix , and the preparation cost is low, which overcomes the problems of high preparation cost of the titanium-based composite material, poor mechanical properties and poor high temperature resistance of the prepared composite material in the prior art.

Description

technical field [0001] The invention relates to the field of metal-based composite material preparation, in particular to a three-dimensional accumulation reinforced titanium-based composite material and a preparation method thereof. Background technique [0002] Titanium has higher specific strength than any other structural material, and titanium can maintain strength better than aluminum alloy at medium temperature. In addition to high strength and heat resistance, titanium alloys also have the advantages of low thermal expansion coefficient. Titanium-based composite materials are also widely used in composite materials. Its main characteristics are high specific strength, specific hardness, and high temperature resistance. It is widely used in candidate materials for super high-pitched aerospace vehicles and next-generation advanced aeroengine application. Due to the need for lightweight and heat resistance in aerospace technology, the performance requirements for tita...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/05C22C14/00C22C32/00B22F3/14C23C18/12B82Y40/00
CPCB22F3/14B82Y40/00C22C1/05C22C14/00C22C32/0084C23C18/1208C23C18/1216C23C18/1245C23C18/1254
Inventor 王灵伟
Owner 台州施特自动化有限公司
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