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Preparing method of in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials

An in-situ synthesis and porous material technology, which is applied in the field of metal foam materials, can solve the problems of material performance deterioration, short durability, poor corrosion resistance, etc., and achieve performance improvement, easy control of composition, and uniform pore structure.

Inactive Publication Date: 2014-11-12
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a preparation method for in-situ synthesis of titanium carbide reinforced titanium-based porous materials, to solve the problem of the titanium-based porous materials obtained by the porous titanium preparation process of the prior art. Poor corrosion, deterioration of material performance, short durability time, complicated process, high energy consumption, and difficult to control the composition

Method used

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  • Preparing method of in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials
  • Preparing method of in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials
  • Preparing method of in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials

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Embodiment 1

[0034]This example provides a preparation method for in-situ synthesis of titanium carbide reinforced titanium-based porous materials, the process of which refers to figure 1 As shown, the main steps include the following:

[0035] (1) Ingredients:

[0036] Weigh 2 parts by weight of carbon powder and 98 parts by weight of titanium powder to form a mixed powder with a total weight of 100 parts by weight, and add urea with the same volume as the 100 parts by weight of mixed powder, mix in the research body, and in the mixing process Add absolute ethanol according to the ratio of 5~10ml of absolute ethanol per kilogram of carbon powder, titanium powder and urea mixture; the addition of absolute ethanol is conducive to the uniform mixing of urea, titanium powder and carbon powder, thereby changing the sintering process. The pore structure of the bulk porous titanium-based composite material, but if too much absolute ethanol is added, it is also not conducive to the mixing of ure...

Embodiment 2

[0044] In this example, a preparation method for in-situ synthesis of titanium carbide-reinforced titanium-based porous materials refers to the process flow figure 2 , the main steps include the following:

[0045] (1) Weighing 1 part by weight of carbon powder and 99 parts by weight of titanium powder to form a mixed powder with a total weight of 100 parts by weight, and adding urea of ​​the same volume as the 100 parts by weight of mixed powder, mixing in the research body, and During the mixing process, absolute ethanol is added at a ratio of 5-10ml of absolute ethanol per kilogram of the mixture of carbon powder, titanium powder and urea; among them, the carbon powder is ultrafine carbon powder with a purity of 99.99% and a particle size of 400 ~500 mesh, the particle size of urea is 1.00~1.18mm, and the particle size of titanium powder is 300~400 mesh.

[0046] (2) Use a steel mold to statically press the mixture obtained in the previous step. The one-way pressing press...

Embodiment 3

[0050] In this example, a preparation method for in-situ synthesis of titanium carbide-reinforced titanium-based porous materials refers to the process flow figure 2 , the main steps include the following:

[0051] (1) Weigh 1.5 parts by weight of carbon powder and 98.5 parts by weight of titanium powder to form a mixed powder with a total weight of 100 parts by weight, and add urea of ​​the same volume as the 100 parts by weight of mixed powder, mix in the research body, and During the mixing process, absolute ethanol is added at a ratio of 5-10ml of absolute ethanol per kilogram of the mixture of carbon powder, titanium powder and urea; among them, the carbon powder is ultrafine carbon powder with a purity of 99.99% and a particle size of 400 ~500 mesh, the particle size of urea is 1.00~1.18mm, and the particle size of titanium powder is 300~400 mesh.

[0052] (2) Use a steel mold to statically press the mixture obtained in the previous step. The one-way pressing pressure ...

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Abstract

The invention discloses a preparing method of in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials. A powder metallurgy pore forming substance technology is used, and urea, carbon powder and titanium powder are used for being subjected to mixing, pressing forming and sintering to prepare the titanium-based multi-hole composite materials. The urea is used as a pore forming substance. Absolute ethyl alcohol is used as binding agents. Components of the titanium-based multi-hole materials are easy to control. Meanwhile, the advantage that raw material cost is low is achieved. A two-stage type sintering process is used for reducing energy consumption, equipment cost is lowered, and benefit is improved. In addition, the titanium-based multi-hole composite materials prepared with the preparing method of the in-situ synthesis titanium carbide enhanced titanium-based multi-hole materials are high in intensity, good in comprehensive mechanical property and high in anti-corrosion performance, the durability of the titanium-based multi-hole composite materials is improved, a new technology path is provided for sewage purification, biology implant materials and the like, and great application prospect is achieved.

Description

technical field [0001] The invention relates to the technical field of metal foam materials, in particular to a preparation method for in-situ synthesis of titanium carbide reinforced titanium-based porous materials. Background technique [0002] The porosity of the material endows the porous material with new and excellent properties, making it have uses that the dense material cannot match, thus expanding the research field and application range of the foam material. The porous titanium matrix composite material (TMC for short) is a composite material composed of metal titanium as a matrix and adding some second phase material as a reinforcement. Compared with traditional titanium alloys, titanium matrix composites can be further improved in specific strength and specific modulus, excellent creep resistance and fatigue resistance, as well as excellent high temperature performance and corrosion resistance. Titanium-based composite materials improve wear resistance and heat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/08C22C14/00
Inventor 邱贵宝廖益龙卢治能杨柳肖健白晨光吕学伟扈玫珑徐健张生富
Owner CHONGQING UNIV
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