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Method for preparing titanium-based graphene composite material through 3D printing technology

A graphene composite and 3D printing technology, applied in the field of composite materials, achieves the effects of high preparation efficiency, simple preparation process, and convenient experimental operation

Inactive Publication Date: 2016-06-22
CHINA WEAPON SCI ACADEMY NINGBO BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, 3D printing technology has been used to prepare graphene airgel materials, such as the Chinese patent No. CN201510375733.8 "A Method for Printing Graphene Airgel Materials Using 3D Printing Technology", which is also used to prepare three-dimensional Graphene, such as the Chinese patent No. CN201410237601.4 "A method for preparing three-dimensional graphene based on 3D printing foam metal", but there is no report on the use of 3D printing technology for preparing titanium-based graphene composite materials

Method used

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  • Method for preparing titanium-based graphene composite material through 3D printing technology
  • Method for preparing titanium-based graphene composite material through 3D printing technology
  • Method for preparing titanium-based graphene composite material through 3D printing technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Take 100g of titanium powder (average particle size 20μm) and 1.0g of graphene (multilayer graphene, thickness 20nm), and put them together into a planetary high-energy ball mill for ball milling. The speed of the ball mill is 200rpm, stop for 20min every 1h, and then reverse for 1h Stop for 20 minutes, a total of 3 cycles, wherein the ball milling medium is WC cemented carbide balls, and the ball-to-material ratio is 4:1, thereby obtaining titanium-based graphene mixed powder.

[0023] Get 1g of stearic acid and add it to 10ml of alcohol heated to 60°C to obtain a stearic acid alcohol solution. Add the stearic acid alcohol solution into the titanium-based graphene mixed powder, and ball mill it again at a speed of 200 rpm for 5 minutes, pass the titanium-based graphene mixed powder through a 200-mesh sieve to obtain a titanium-based graphene mixed powder with an average particle size of 20 μm . Put the mixed powder into the powder supply box in batches, and wipe the s...

Embodiment 2

[0029] Take 100g of titanium powder (average particle size 40 μm) and 0.1g of graphene (multilayer graphene, thickness 15nm), put them together into a planetary high-energy ball mill for ball milling, and the ball mill speed is 100rpm. Every ball mill for 1 hour, stop for 20 minutes, then reverse for 1 hour, stop for 20 minutes is a cycle, a total of 2 cycles, in which the ball milling medium is WC cemented carbide balls, and the ball-to-material ratio is 4:1, so as to obtain titanium-based graphene mixed powder.

[0030] Get 0.5g stearic acid and add in 10ml alcohol heated to 60 ℃, obtain stearic acid alcohol solution. Add the stearic acid alcohol solution into the titanium-based graphene mixed powder, and ball mill it again at a speed of 200 rpm for 5 minutes, pass the titanium-based graphene mixed powder through a 200-mesh sieve to obtain a titanium-based graphene mixed powder with an average particle size of 40 μm . Put the mixed powder into the powder supply box in batch...

Embodiment 3

[0036] Get 100g titanium powder (average particle diameter 60 μ m) and 3g graphene (multilayer graphene, thickness 20nm), put into the ball mill together in the planetary high-energy ball mill, the ball mill rotating speed is 300rpm. Milling for 1 hour, stopping for 20 minutes, reversing for 1 hour, stopping for 20 minutes is a cycle, a total of 4 cycles, wherein the ball milling medium is WC cemented carbide balls, and the ball-to-material ratio is 4:1, so as to obtain titanium-based graphene mixed powder.

[0037] Get 3g stearic acid and add in the 10ml alcohol that is heated to 60 ℃, obtain stearic acid alcoholic solution. Add the stearic acid alcohol solution into the titanium-based graphene mixed powder, and ball mill it again at a speed of 200 rpm for 5 minutes, pass the titanium-based graphene mixed powder through a 200-mesh sieve to obtain a titanium-based graphene mixed powder with an average particle size of 60 μm . Put the mixed powder into the powder supply box in...

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Abstract

The invention discloses a method for preparing a titanium-based graphene composite material through a 3D printing technology. The method includes the steps that firstly, titanium and alloy powder of the titanium are evenly mixed with graphene powder in a high-energy ball grinding manner, and titanium-based / graphene composite powder is obtained, wherein the adding amount of graphene accounts for 0.1-3 weight percent of the total mass; secondly, a stearic acid alcoholic solution is added into the evenly-mixed composite powder, ball grinding is conducted again, and composite powder obtained after the second time of ball grinding is screened and granulated, and titanium-based / graphene composite powder with the grain size ranging from 10 microns to 70 microns is obtained; and thirdly, the composite powder is packed into a powder supply box in batches, the surface of a base material is wiped through acetone, oil dirt is removed, and finally the titanium-based graphene composite material is prepared through the 3D printing technology. The 3D printing technology is used for preparing, a titanium-based graphene composite material practical part in a complex shape can be prepared according to practical needs, a prepared block material is large in size and controllable in shape, and the graphene adding amount is accurately controlled within the range of 0.1-3 weight percent; and meanwhile the preparing technology is simple, operation is convenient, and the preparing efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of composite materials, and relates to a method for preparing a titanium-based graphene composite material, in particular to a method for preparing a titanium-based graphene composite material by using 3D printing technology. Background technique [0002] Titanium and titanium alloys have the advantages of high specific strength, specific stiffness, and high temperature resistance, and have become important structural materials in industrial, civil and military fields. However, their thermal conductivity limits the application of titanium and titanium alloys in many fields. . Graphene-based materials have excellent thermal conductivity and will be suitable reinforcement materials, which can simultaneously improve the thermal conductivity and mechanical properties of titanium alloys. [0003] The traditional preparation methods of titanium-based graphene composite materials are electrochemical method, vapor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/05C22C1/10C22C14/00B22F3/105B33Y10/00
CPCC22C1/05C22C14/00B22F3/1007B33Y10/00B22F2201/11B22F10/00B22F10/34B22F10/36B22F10/28B22F10/32Y02P10/25
Inventor 王志锋杨文智黄伟明陈子明黄伟尚福军张保玉肖敏强杨柏涛
Owner CHINA WEAPON SCI ACADEMY NINGBO BRANCH
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