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A kind of nano-diamond reinforced titanium-based composite material and its preparation method and application

A titanium-based composite material and nano-diamond technology, which is applied in medical science, prosthesis, surgery, etc., can solve the problems of poor biological performance and cytotoxicity, achieve high hardness, strength and plasticity, overcome poor mechanical properties, and have good biological properties. The effect of biocompatibility

Active Publication Date: 2017-11-03
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the field of biomedicine, nano-carbon-reinforced titanium-based composites such as fullerenes, carbon nanotubes, and graphene have good mechanical properties and can play a good role in supporting stress-bearing parts and organs, but these nano-carbons have cellular Toxicity, poor biological performance, thus limiting the further clinical application of these nano-carbon-reinforced titanium-based composites in the medical field

Method used

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  • A kind of nano-diamond reinforced titanium-based composite material and its preparation method and application
  • A kind of nano-diamond reinforced titanium-based composite material and its preparation method and application
  • A kind of nano-diamond reinforced titanium-based composite material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Nano-diamond-reinforced titanium-based composites are produced by spark plasma technology sintering, using nano-diamond powder and pure titanium powder as raw materials (purity is 99%), wherein the grain size of nano-diamond is 5.0nm, and the grain size of pure titanium powder is 48μm (300 mesh), nano powder and micro powder respectively. A cylindrical composite material sintered body with a diameter of 10 mm and a height of 12 mm was fabricated.

[0048] Specific steps are as follows:

[0049] (1) weighing 10g300 purpose pure titanium powder (purity is 99%) and the nano-diamond powder that mass fraction is 0.25wt%, the nano-diamond powder that mass fraction is 0.25wt% is placed in the beaker, adds dehydrated alcohol, adds Sodium lauryl sulfate is used as a surfactant, which is oscillated by an ultrasonic oscillator and a needle oscillator successively. Then add the weighed titanium powder into the oscillated nano-diamond powder, and repeat the above-mentioned oscilla...

Embodiment 2

[0055] Vacuum sintering technology produces nano-diamond-reinforced titanium-based composite materials, using nano-diamond powder and pure titanium powder as raw materials (purity is 99%), wherein the particle size of nano-diamond is 20nm, and the particle size of pure titanium powder is 106μm (150 mesh) . A cylindrical composite material sintered body with a diameter of 20 mm and a height of 10 mm was produced.

[0056] Specific steps are as follows:

[0057] (1) weighing 100g 150 purpose pure titanium powder (purity is 99%) and mass fraction is the nano-diamond powder of 0.5wt%, the nano-diamond powder that mass fraction is 0.5wt% is placed in the beaker, adds dehydrated alcohol, Add sodium lauryl sulfate as a surfactant, and vibrate successively through an ultrasonic oscillator and a needle oscillator. Then add the weighed titanium powder into the oscillated nano-diamond powder, and repeat the above-mentioned oscillating operation.

[0058] (2) Get the liquid after the i...

Embodiment 3

[0063] Nano-diamond-reinforced titanium-based composite materials are produced by hot-pressing sintering technology, using nano-diamond powder and titanium-aluminum-vanadium (Ti6Al4V) powder as raw materials (purity is 99.5%), wherein the grain size of nano-diamond is 50nm, and the particle size of titanium-aluminum-vanadium powder The size is 13 μm (1000 mesh), and a cylindrical composite material sintered body with a diameter of 30 mm and a height of 20 mm is produced.

[0064] Specific steps are as follows:

[0065] (1) Weighing 100g 300 mesh titanium aluminum vanadium (Ti6Al4V) powder powder (purity is 99%) and the nano-diamond powder that mass fraction is respectively 0.1wt%, the nano-diamond powder that mass fraction is 0.1wt% is placed in the beaker , add absolute ethanol, add sodium lauryl sulfate as a surfactant, and vibrate through an ultrasonic oscillator and a needle oscillator successively. Then add the weighed titanium alloy powder into the oscillated nano-diamo...

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Abstract

The invention discloses a nano-diamond reinforced titanium-based composite material as well as a preparation method and application thereof. The composite material is mainly made from nano-diamonds and matrix titanium, wherein the nano-diamonds are used as reinforcing phases, and are uniformly dispersed in a matrix of metallic titanium to play a dispersion strengthening role. The invention also discloses a preparation method and application of the nano-diamond reinforced titanium-based composite material. In comparison with the prior art, by using the nano-diamond reinforced titanium-based composite material as well as the preparation method and the application thereof, the defects that an existing pure titanium material is poor in mechanical properties and a carbon nano tube or a graphene reinforced titanium-based composite material is high in cytotoxicity are overcome; and the obtained nano-diamond reinforced titanium-based composite material has higher hardness, strength and plasticity and favorable biocompatibility. A product of the nano-diamond reinforced titanium-based composite material can be applied to the field of biomedicine, and particularly to the repair and the substitution of hard tissue of a department of orthopedics, a department of dentistry, and the like.

Description

technical field [0001] The invention relates to a nano-diamond-reinforced titanium-based composite material and its preparation method and application, and belongs to the technical field of nano-particle-reinforced metal-based composite materials. Background technique [0002] Titanium and titanium alloys have good biocompatibility, excellent mechanical properties and corrosion resistance, and are widely used in the field of biomedicine. With the rapid development of modern science and technology, the biomedical field has put forward higher requirements for the comprehensive performance of materials. The mechanical properties of pure titanium are often limited, and the mechanical properties of titanium alloys have been improved. However, many alloying elements are cytotoxic and difficult to fully meet For the performance requirements of orthopedics, dentistry and other fields, titanium matrix composites just overcome these shortcomings and have excellent comprehensive perfor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C26/00C22C14/00C22C1/05C22C1/08A61L27/42A61L27/50A61L31/12A61L31/14
CPCA61L27/427A61L27/50A61L31/124A61L31/14A61L2430/02A61L2430/12A61L2430/24B22F3/11C22C1/05C22C14/00C22C26/00
Inventor 张法明刘苏丽
Owner SOUTHEAST UNIV
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