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Nanometer onion carbon enhanced titanium-based composite material and preparation method thereof

A titanium-based composite material and composite material technology, which is applied in the field of nano-onion carbon-reinforced titanium-based composite materials and its preparation, can solve the problems of easy entanglement of carbon nanotubes and easy agglomeration of graphene sheets, etc., to overcome poor mechanical properties, The effect of high conversion rate and good comprehensive mechanical properties

Active Publication Date: 2019-01-01
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the preparation of metal matrix composites reinforced with carbon nanotubes and graphene sheets will encounter a series of problems, such as easy entanglement of carbon nanotubes and easy agglomeration of graphene sheets.

Method used

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  • Nanometer onion carbon enhanced titanium-based composite material and preparation method thereof
  • Nanometer onion carbon enhanced titanium-based composite material and preparation method thereof
  • Nanometer onion carbon enhanced titanium-based composite material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0043] A preparation method of nano-onion carbon-reinforced titanium-based composite material. First, nano-onion carbon powder (with a size of about 5 nm) is used as a raw material to synthesize nano-onion carbon powder that can be used as a reinforcing phase by discharge plasma sintering; nano-onion carbon powder and pure Titanium powder (purity is 99%) is used as raw material, wherein the grain size of nano-onion carbon is 5-10nm, and the grain size of pure titanium powder is 45μm (325 mesh), which are respectively nano powder and micro powder; the diameter is 20mm A graphite mold made of a cylindrical composite material sintered body with a diameter of 20 mm and a height of 12 mm.

[0044] Specific steps are as follows:

[0045] (1) Weigh 2g (according to the requirements) of nano-diamond powder produced by the blasting method, with an average size of 5nm, and put it into a graphite mold with graphite paper on all sides and on the upper and lower sides to ensure that the up...

Embodiment 2

[0053] A method for preparing a nano-onion carbon reinforced titanium-based composite material. First, nano-onion carbon powder (nano-onion carbon powder) is used as a reinforcing phase by using discharge plasma sintering as a raw material; using nano-onion carbon powder and Ti6Al4V titanium alloy powder (purity is 99%) is raw material, wherein the particle size of nano-onion carbon is 10nm, and the crystallite size of pure titanium powder is 38 μm (400 orders), is nanopowder and micron powder respectively; The graphite mold was used to produce a cylindrical composite material sintered body with a diameter of 20 mm and a height of 12 mm. Specific steps are as follows:

[0054] (1) Weigh 2g (according to requirements) of nano-diamond powder produced by the blasting method, with an average size of 10nm, and put it into a graphite mold with graphite paper on all sides and on the upper and lower sides to ensure that the upper and lower graphite indenters can touch the nano-diamond...

Embodiment 3

[0062] A method for preparing a nano-onion carbon reinforced titanium-based composite material. First, nano-onion carbon powder (nano-onion carbon powder) is used as a reinforcing phase by using discharge plasma sintering as a raw material; nano-onion carbon powder and Titanium-nickel powder is used as raw material, in which the grain size of nano-onion carbon is 20nm, and the grain size of pure titanium powder is 106μm (150 mesh), which are respectively nano-powder and micron-powder; use a graphite mold with a diameter of 30mm to make a diameter of 30mm And a cylindrical composite material sintered body with a height of 10 mm.

[0063] Specific steps are as follows:

[0064] (1) Weigh 2g (according to requirements) of nano-diamond powder produced by the blasting method, with an average size of 20nm, and put it into a graphite mold with graphite paper on all sides and on the upper and lower sides to ensure that the upper and lower graphite indenters can touch the nano-diamond ...

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Abstract

The invention discloses a nanometer onion carbon enhanced titanium-based composite material and a preparation method thereof. The composite material is mainly prepared from nanometer onion carbon andbase body titanium, wherein the nanometer onion carbon is used as an enhancing phase and is uniformly distributed in the metal titanium base body to achieve a diffusion enhancing effect. The inventionalso discloses a preparation method of the nanometer onion carbon enhanced titanium-based composite material. By aiming at the defects in the prior art, nanometer diamond is used as raw materials tosynthesize the nanometer onion carbon; the nanometer onion carbon is added into the titanium base body to realize the uniform distribution; sintering shaping is performed to obtain the compact titanium-based composite material. The distribution of the nanometer onion carbon in the titanium-based composite material prepared by the method is uniform; the impurity content is low; the complete form can be maintained in the base body, so that the composite material has excellent comprehensive mechanical property.

Description

technical field [0001] The invention relates to a nano-onion carbon-reinforced titanium-based composite material and a preparation method thereof, belonging to the technical field of metal-based composite materials. Background technique [0002] Titanium and titanium alloys are new metals that have emerged after steel and aluminum. They have the characteristics of low density, high strength, high and low temperature resistance, corrosion resistance, and good biocompatibility. These outstanding characteristics make titanium and titanium alloys ideal materials for aerospace, marine, petrochemical, biomedical and other industries. At the same time, titanium and titanium alloys also have major problems such as poor wear resistance and low hardness. New ideas and methods are urgently needed to further improve the comprehensive mechanical properties of titanium alloys and meet the requirements of various related industries. [0003] Nano-onion-like carbon is called onion carbon ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C1/10C22C14/00C22C26/00C01B32/18
CPCC01B32/18C22C1/0458C22C1/05C22C14/00C22C26/00
Inventor 范阔威张法明
Owner SOUTHEAST UNIV
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