CN105903959A - Preparation method of titanium carbide coated carbon fibers - Google Patents

Preparation method of titanium carbide coated carbon fibers Download PDF

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Publication number
CN105903959A
CN105903959A CN201610412254.3A CN201610412254A CN105903959A CN 105903959 A CN105903959 A CN 105903959A CN 201610412254 A CN201610412254 A CN 201610412254A CN 105903959 A CN105903959 A CN 105903959A
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China
Prior art keywords
titanium carbide
preparation
fibrous material
titanium
coated fibrous
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Pending
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CN201610412254.3A
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Chinese (zh)
Inventor
孙正明
郑伟
张培根
张亚梅
秦霞
丁健翔
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Southeast University
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Southeast University
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Priority to CN201610412254.3A priority Critical patent/CN105903959A/en
Publication of CN105903959A publication Critical patent/CN105903959A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)

Abstract

The invention relates to a preparation method of titanium carbide coated carbon fibers and belongs to the field of material preparation. According to the preparation method disclosed by the invention, a pressureless sintering method is adopted for making titanium powder have an in-situ reaction on the surfaces of the carbon fibers in vacuum or in an inert atmosphere so as to generate a layer of or a plurality of layers of titanium carbide on the surfaces of the carbon fibers. The preparation method is convenient, quick and low in cost; the prepared titanium carbide coated carbon fibers can be applied to a reinforcing material, a wave absorbing material, a magnetic shielding material, a heat conduction enhancing material and the like.

Description

A kind of preparation method of titanium carbide carbon coated fiber
Technical field
The present invention relates to a kind of titanium carbide carbon coated fibrous material and preparation method thereof, belong to field of material preparation.
Background technology
Carbon fiber is a kind of phosphorus content tencel material more than 95%, have low-density, high intensity, High-modulus, the excellent properties such as high temperature resistant, corrosion-resistant and be widely used in the enhancing phase of advanced composite material. But the antioxygenic property of carbon fiber is poor, there is data to suggest that carbon fiber in atmosphere 400 DEG C start to accelerate oxygen Change, generate CO and CO2(K.L.Luthra, Carbon, 1988, (26) 217-224).It addition, carbon Fiber and metal or ceramic matrix compound tense, the shortcoming such as Presence of an interface poor compatibility, easily cause carbon fiber and base Body separates, and this limits the further use of carbon fiber undoubtedly.Research shows, resistance in carbon fiber surface coating High temperature coating is means (Baklanova, N.I., the et al. of practicable expansion carbon fiber range Surface&Coatings Technology, 2006,201 (6): 2313-2319).
Titanium carbide is a kind of transition metal carbide, has high rigidity, corrosion-resistant, heat stability and chemistry steady The qualitative feature such as good, is widely used in coating material, cermet material, Hardmetal materials etc..By carbonization Titanium is coated in carbon fiber surface, can effectively suppress carbon fiber and matrix material interface chemical reaction to occur, simultaneously The high-temperature oxidation resistance of carbon fiber self can be improved.At present, the preparation method of titanium carbide coating mainly having The method such as vapour deposition and vacuum evaporation, but these methods are high to the equipment requirements of system, and cost is held high Expensive, be not suitable for industrialized production.
Summary of the invention
Technical problem: it is an object of the invention to: the shortcoming existed for above-mentioned existing preparation method, proposes one Planting the preparation method of titanium carbide carbon coated fibrous material, the method is simple, with low cost, can give birth on a large scale Produce.
Technical scheme: in order to reach object above, the preparation side of the titanium carbide carbon coated fibrous material of the present invention Method includes following basic step:
Being mixed homogeneously with carbon fiber by titanium valve, the mixture obtaining both is carried out under vacuum or inert atmosphere protection Sintering, sinters and complete obtains target product；
Wherein:
Described titanium valve is 1: 1～1: 5 with the molar ratio of carbon fiber.
Titanium valve and carbon fiber incorporation time are 5～120 minutes.
Pressureless sintering method is used to prepare titanium carbide carbon coated fibrous material.
The mixture of titanium valve and carbon fiber is heat treatment in vacuum or inert atmosphere, and holding temperature is 900～1500 DEG C, temperature retention time is 0.3～8 hour.
The titanium carbide carbon coated fibrous material prepared, titanium carbide layer thickness is 0.1～2 micron.
Beneficial effect: the preparation method of the titanium carbide carbon coated fibrous material of the present invention, uses pressureless sintering method to exist Vacuum or inert atmosphere make titanium valve at carbon fiber surface generation reaction in-situ, carbon fiber surface generate one layer or Multilamellar titanium carbide.This preparation method is convenient, fast, with low cost, and the titanium carbide carbon coated fiber prepared can be used In reinforcing material, absorbing material, magnetic shielding material and enhancing heat conducting material etc..
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is titanium carbide carbon coated fibrous material XRD figure prepared in the embodiment of the present invention one；
Fig. 2 is titanium carbide carbon coated fibrous material SEM figure prepared in the embodiment of the present invention one；
Fig. 3 is titanium carbide carbon coated fibrous material XRD figure prepared in the embodiment of the present invention two；
Fig. 4 is titanium carbide carbon coated fibrous material SEM figure prepared in the embodiment of the present invention two；
Fig. 5 is titanium carbide carbon coated fibrous material XRD figure prepared in the embodiment of the present invention three；
Fig. 6 is titanium carbide carbon coated fibrous material SEM figure prepared in the embodiment of the present invention three.
Detailed description of the invention
1. batch mixing by titanium valve, carbon fiber with certain proportion (mol ratio, titanium valve: carbon is fine Dimension=1: 1～1: 5) batch mixing 5～120 minutes in mixed powder machine, mixed powder machine rotating speed is 20～120 revs/min；
2. sintering by mixed titanium valve and carbon fiber material at vacuum or inert atmosphere (argon) Middle heat treatment, heat treatment holding temperature is 900～1500 DEG C, and temperature retention time is 0.3～8 hour；
3. finished product sintering is complete, and sampling i.e. can get target product.
Embodiment one
Making titanium with carbon fiber molar ratio is 1: 1, and heat treatment holding temperature is 1400 DEG C, and temperature retention time is 1 Hour titanium carbide carbon coated fibrous material:
1. titanium valve (300 mesh), carbon fiber (1～3 millimeter) (are rubbed by batch mixing with 1: 1 ratio That ratio) batch mixing 10 minutes in mixed powder machine, mixed powder machine rotating speed is 75 revs/min；
2. sintering by mixed titanium valve and carbon fiber material in argon atmosphere at heat Reason, heat treatment holding temperature is 1400 DEG C, and temperature retention time is 1 hour；
3. finished product sintering is complete, and sampling i.e. can get target product.
Embodiment two
Making titanium with carbon fiber molar ratio is 3: 5, and sintering temperature is 1500 DEG C, and sintering time is 1 hour Titanium carbide carbon coated fibrous material:
1. titanium valve (300 mesh), carbon fiber (1～3 millimeter) (are rubbed by batch mixing with 3: 5 ratios That ratio) batch mixing 10 minutes in mixed powder machine, mixed powder machine rotating speed is 75 revs/min；
2. sintering by mixed titanium valve and carbon fiber material in argon atmosphere at heat Reason, heat treatment holding temperature is 1500 DEG C, and temperature retention time is 1 hour；
3. finished product sintering is complete, and sampling i.e. can get target product.
Embodiment three
Making titanium with carbon fiber molar ratio is 1: 2, and sintering temperature is 1400 DEG C, and sintering time is 1 hour Titanium carbide carbon coated fibrous material:
1. titanium valve (300 mesh), carbon fiber (1～3 millimeter) (are rubbed by batch mixing with 1: 2 ratio That ratio) batch mixing 10 minutes in mixed powder machine；
2. sintering by mixed titanium valve and carbon fiber material in argon atmosphere at heat Reason, heat treatment holding temperature is 1400 DEG C, and temperature retention time is 1 hour；
3. finished product sintering is complete, and sampling i.e. can get target product.
In addition to the implementation, the present invention can also have other embodiments.All employing equivalents or equivalence become Change the technical scheme of formation, belong to the protection domain of application claims.

Claims (6)

1. the preparation method of a titanium carbide carbon coated fibrous material, it is characterised in that the method includes walking as follows Rapid: to be mixed homogeneously with carbon fiber by titanium valve, the mixture obtaining both is carried out under vacuum or inert atmosphere protection Sintering, sinters and complete obtains target product.
The preparation method of titanium carbide carbon coated fibrous material the most according to claim 1, it is characterised in that: Described titanium valve is 1: 1～1: 5 with the molar ratio of carbon fiber.
The preparation method of titanium carbide carbon coated fibrous material the most according to claim 1, it is characterised in that: Titanium valve and carbon fiber incorporation time are 5～120 minutes.
The preparation method of titanium carbide carbon coated fibrous material the most according to claim 1, it is characterised in that: Pressureless sintering method is used to prepare titanium carbide carbon coated fibrous material.
The preparation method of titanium carbide carbon coated fibrous material the most according to claim 1, it is characterised in that: The mixture of titanium valve and carbon fiber is heat treatment in vacuum or inert atmosphere, and holding temperature is 900～1500 DEG C, Temperature retention time is 0.3～8 hour.
The preparation method of titanium carbide carbon coated fibrous material the most according to claim 1, it is characterised in that: The titanium carbide carbon coated fibrous material prepared, titanium carbide layer thickness is 0.1～2 micron.
CN201610412254.3A 2016-06-13 2016-06-13 Preparation method of titanium carbide coated carbon fibers Pending CN105903959A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610412254.3A CN105903959A (en) 2016-06-13 2016-06-13 Preparation method of titanium carbide coated carbon fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610412254.3A CN105903959A (en) 2016-06-13 2016-06-13 Preparation method of titanium carbide coated carbon fibers

Publications (1)

Publication Number Publication Date
CN105903959A true CN105903959A (en) 2016-08-31

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094450A (en) * 1993-04-28 1994-11-02 德拉费有限公司 Methods for alloy migration sintering
JP2002003905A (en) * 2000-04-22 2002-01-09 Robert Bosch Gmbh Sintered soft magnetic material and its production method
CN101052737A (en) * 2005-09-07 2007-10-10 E&F株式会社 Titanium alloy composite material, method of producing the titanium alloy composite material, titanium clad material using the titanium alloy composite material, and method of producing the titanium c
CN101321887A (en) * 2005-11-30 2008-12-10 岛根县 Metal-based composite material containing both micro-sized carbon fiber and nano-sized carbon fiber
CN102936706A (en) * 2012-11-13 2013-02-20 北京理工大学 Carbon fiber cloth-titanium alloy composite material and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1094450A (en) * 1993-04-28 1994-11-02 德拉费有限公司 Methods for alloy migration sintering
JP2002003905A (en) * 2000-04-22 2002-01-09 Robert Bosch Gmbh Sintered soft magnetic material and its production method
CN101052737A (en) * 2005-09-07 2007-10-10 E&F株式会社 Titanium alloy composite material, method of producing the titanium alloy composite material, titanium clad material using the titanium alloy composite material, and method of producing the titanium c
CN101321887A (en) * 2005-11-30 2008-12-10 岛根县 Metal-based composite material containing both micro-sized carbon fiber and nano-sized carbon fiber
CN102936706A (en) * 2012-11-13 2013-02-20 北京理工大学 Carbon fiber cloth-titanium alloy composite material and preparation method thereof

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