CN109940162A - A kind of preparation method of carbide In-sltu reinforcement titanium and its alloy porous bracket - Google Patents
A kind of preparation method of carbide In-sltu reinforcement titanium and its alloy porous bracket Download PDFInfo
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Abstract
The invention discloses the preparation methods of a kind of carbide In-sltu reinforcement titanium and its alloy porous bracket, sucrose and graphene are added in the suspension containing titanium source, freeze-dried, vacuum-sintering in mold is injected after mixing, and the porous support of carbide In-sltu reinforcement titanium and its alloy can be obtained.The present invention utilizes Freeze Drying Technique, control the distribution of sucrose and graphene in hole wall, graphene and titanium reaction in-situ during vacuum-sintering in the sucrose and hole wall of hole inner wall generate reinforced phase titanium carbide, by the additional amount for regulating and controlling sucrose and graphene, control production quantity of the titanium carbide in hole wall, it is well combined to obtain intensity high, matrix and the second phase interface, impact-resistant titanium and its alloy bracket, has wide practical use in fields such as aerospace, automobile manufacture, biomedicines.
Description
Technical field
The invention belongs to technical field of material, it is related to a kind of carbide In-sltu reinforcement titanium and its alloy porous bracket
Preparation method.
Background technique
With the propulsion of new technology revolution tide, traditional titanium or titanium alloy has been increasingly difficult to meet wanting for high-tech
It asks.Titanium composite material refers to a kind of composite material that reinforcement is introduced in titanium or titanium alloy.It has both matrix ductility,
The high intensity of toughness and reinforcement, high-modulus, to obtain specific strength more higher than titanium or titanium alloy, specific stiffness and high temperature resistance
Can, and have excellent designability, therefore be increasingly subject to the attention of domestic and international researcher in recent years.
Granule intensified titanium-base compound material is due to anti-with high specific strength, high elastic modulus, good wearability and high temperature
The excellent performance such as creep properties and be widely used in the fields such as aerospace, automobile manufacture and biomedicine.Titanium carbide thermal expansion
Coefficient is small, hardness is high, thermal stability is good, and coefficient of friction is low, and has similar density to can be used as titanium composite material with titanium alloy
Reinforcement.For the low problem of micro interface bond strength, in-situ reaction is to improve reinforcement/basal body interface bond strength
Feasible method.Therefore there is important meaning using the strength and stiffness that reaction in-situ generates titanium carbide granule enhancing titanium alloy bracket
Justice.
Patent " a kind of method of low-cost industrial production TiC granule intensified titanium-base compound material " (application number:
201711437226.8 publication date: 2018-06-22, publication number: 108193064A discloses a kind of low-cost industrial production
The method of TiC granule intensified titanium-base compound material, by the addition of hydrogenation and dehydrogenization production titanium valve process and composite material reinforced phase
Cheng Jinhang integration integrates production TiC granule intensified titanium-base compound material, and Material reinforcement is made and is mutually evenly distributed, mentions to intensity
Height has certain effect, but its rigidity is inadequate, and impact resistance is insufficient.
Patent " a kind of preparation method of TiB enhancing medical porous titanium " (application number: 201811528721.4, publication date:
2019-02-15, publication number: 109332700A discloses a kind of preparation method of TiB enhancing medical porous titanium, first by Ti powder,
TiB2Powder, pore creating material NH4HCO3Weighed, be then uniformly mixed under protection of argon gas according to a certain ratio, recycle electric discharge etc. from
Sub- sintering furnace carries out vacuum-sintering, and it is moderate most to obtain a kind of low elastic modulus, high intensity, porosity after vacuum heat treatment afterwards
TiB enhances medical porous titanium, but reinforced phase TiB is unevenly distributed in the base.
Patent " a kind of preparation method of fabricated in situ titanium carbide enhancing titanium-based porous material " (application number:
201410372169.X, publication date: 2015-12-09, publication number: 104141063B discloses a kind of fabricated in situ titanium carbide increasing
The preparation method of strong titanium-based porous material, uses powder metallurgy pore creating material technology, passes through ingredient using urea, carbon dust and titanium valve
Mixing, compression moulding and sintering processes step have porous titanium composite material high-intensitive, that corrosion resistance is good to prepare, but
Its impact resistance is insufficient.
Document " Particulate reinforced titanium alloy composites economically
Formed by combined cold and hot isostatic pressing ", (" Industrial in 1993
Heating " the 32-37 pages of volume 60), the enhancing particle such as TiC is artificially added in titanium alloy using compound method,
It is prepared using additional method, but this method cannot fundamentally solve that being uniformly distributed of reinforcement, reinforcement is completely combined with matrix
The problems such as, the pollution of additional reinforcement can also reduce the performance of material.
Summary of the invention
The object of the present invention is to provide the preparation methods of a kind of carbide In-sltu reinforcement titanium and its alloy porous bracket, solve
Titanium and its alloy porous scaffold enhanced body existing in the prior art is poor in conjunction with basal body interface, intensity is low, impact resistance
Insufficient problem.
The technical scheme adopted by the invention is that the preparation side of a kind of carbide In-sltu reinforcement titanium and its alloy porous bracket
Sucrose and graphene is added in method in the suspension containing titanium source, injects in mold after mixing, freeze-dried, vacuum
Sintering, can be obtained the porous support of carbide In-sltu reinforcement titanium and its alloy.
Specifically implement according to the following steps:
Step 1, dispersing agent, binder and titanium source powder are sequentially added in a solvent, uniformly mix 20~for 24 hours, hanged
Turbid；
Step 2, it is stirred evenly after sucrose being added in suspension obtained in step 1, adds graphene, pass through ball milling
Grinding 12~for 24 hours, obtain composite mortar；
Step 3, composite mortar obtained in step 2 is injected in mold, freezing is oriented on cold source, to suspension
Completely after freezing, suspension is taken out, drying in environment under low pressure is placed in, obtains supporting frame prefabrication body；
Step 4, by supporting frame prefabrication body vacuum-sintering at high temperature obtained in step 3, carbide In-sltu reinforcement titanium is obtained
And its alloy porous bracket.
In step 1, solvent is distilled water or distilled water-tert-butyl alcohol mixed solution, and the titanium source powder is titantium hydride, pure
One kind of titanium or titanium alloy, the dispersing agent are Sodium Polyacrylate, sodium metnylene bis-naphthalene sulfonate, neopelex or poly-
One kind of vinylpyrrolidone, the binder are polyvinyl alcohol, hydroxymethyl cellulose, citric acid or polyvinyl butyral
It is a kind of.
In step 1, the volume ratio of titanium source powder and solvent is 1:2~5, and the quality of the dispersing agent accounts for titanium source powder quality
0.5%~2%, the quality of the binder accounts for the 0.2%~3% of titanium source powder quality.
In step 2, the quality of sucrose accounts for the 5%~20% of titanium source powder quality, and the quality of graphene accounts for titanium source powder matter
The 0.5%~4% of amount.
In step 3, being oriented cryogenic temperature when freezing is -120 DEG C~-30 DEG C, rate of temperature fall is 5~15 μm/
S, cooling time are 1.5~3h.
In step 3, the bottom of mold is Heat Conduction Material, and Heat Conduction Material is aluminium, copper or silver.
In step 3, the pressure of environment under low pressure is 10~100Pa.
In step 4, sintering temperature is 1200 DEG C~1400 DEG C, 1.5~3h of sintering time.
The invention has the advantages that controlling the distribution of sucrose and graphene in hole wall using Freeze Drying Technique, burning
Reaction in-situ generates reinforced phase titanium carbide when knot, to obtain intensity height, matrix is well combined with the second phase interface, is impact-resistant
Titanium and its alloy bracket have wide practical use in fields such as aerospace, automobile manufacture, biomedicines.
Specific embodiment
The present invention is described in detail With reference to embodiment.
The preparation method of a kind of carbide In-sltu reinforcement titanium of the present invention and its alloy porous bracket, is containing the suspended of titanium source
Sucrose and graphene are added in liquid, injects freeze-dried, vacuum-sintering in mold after mixing, carbide original can be obtained
Position enhancing titanium and its alloy porous bracket.
Specifically implement according to the following steps:
Step 1, dispersing agent, binder and titanium source powder are sequentially added in a solvent, uniformly mix 20~for 24 hours, hanged
Turbid；
Step 2, it is stirred evenly after sucrose being added in suspension obtained in step 1, adds graphene, pass through ball milling
Grinding 12~for 24 hours, obtain composite mortar；
Step 3, composite mortar obtained in step 2 is injected in mold, freezing is oriented on cold source, to suspension
Completely after freezing, suspension is taken out, drying in environment under low pressure is placed in, obtains supporting frame prefabrication body；
Step 4, by supporting frame prefabrication body vacuum-sintering at high temperature obtained in step 3, carbide In-sltu reinforcement titanium is obtained
And its alloy porous bracket.
In step 1, solvent is distilled water or distilled water-tert-butyl alcohol mixed solution, and the titanium source powder is titantium hydride, pure
One kind of titanium or titanium alloy, the dispersing agent are Sodium Polyacrylate, sodium metnylene bis-naphthalene sulfonate, neopelex or poly-
One kind of vinylpyrrolidone, the binder are polyvinyl alcohol, hydroxymethyl cellulose, citric acid or polyvinyl butyral
It is a kind of.
In step 1, the volume ratio of titanium source powder and solvent is 1:2~5, and the quality of the dispersing agent accounts for titanium source powder quality
0.5%~2%, the quality of the binder accounts for the 0.2%~3% of titanium source powder quality.
In step 2, the quality of sucrose accounts for the 5%~20% of titanium source powder quality, and the quality of graphene accounts for titanium source powder matter
The 0.5%~4% of amount.
In step 3, being oriented cryogenic temperature when freezing is -120 DEG C~-30 DEG C, rate of temperature fall is 5~15 μm/
S, cooling time are 1.5~3h.
In step 3, the bottom of mold is Heat Conduction Material, and Heat Conduction Material is aluminium, copper or silver.
In step 3, the pressure of environment under low pressure is 10~100Pa.
In step 4, sintering temperature is 1200 DEG C~1400 DEG C, 1.5~3h of sintering time.
Matrix in the present invention is the porous support of titanium and its alloy, is generated using titanium and graphene, sucrose reaction in-situ
Carbide reinforced phase titanium carbide enhances matrix.
The preparation method of a kind of carbide In-sltu reinforcement titanium of the present invention and its alloy porous bracket, is added sucrose in the solution
Composite mortar is obtained with being uniformly mixed after graphene ball milling, using orientation Freeze Drying Technique, the ice crystal tip in refrigerating process
Sucrose concentration increases, and sucrose is pushed to ice crystal two sides and is mainly distributed on the inner wall of hole, in titanium and its alloy after high-temperature vacuum sintering
Certain thickness titanium carbide layer is formed in situ on the inner wall of hole, which has higher rigidity relative to bracket, so that porous support
The ability of resistance to deformation when by shock loading increases, and the big energy of rupture consumption avoids porous support in overload
Moment failure.
In addition, the graphene uniform of addition is scattered in slurry, graphene uniform is dispersed in porous hole wall after orientation freezing
In.After vacuum-sintering, graphene is reacted with titanium generates titanium carbide.Reaction in-situ obtains titanium carbide reinforcement in conjunction with basal body interface
Property it is good, when bearing load, titanium carbide granule can hinder crack propagation or bring it about deflection, and crack path is tortuous, consumption
More energy to failure, so that the strength of materials be made to improve.
Embodiment 1
0.348g Sodium Polyacrylate, 0.696g carboxymethyl cellulose and 34.8gTiH are sequentially added in 50g distilled water2
Powder, TiH2The mass ratio of powder and distilled water is 1:5, after being sufficiently mixed 20h, adds 1.74g sucrose and 0.696g graphite
Alkene ball milling 20h obtains slurry, by TiH2Slurry injection side wall is that polyethylene bottom is in the cylindrical die of Heat Conduction Material ,-
Orientation freezing 3h on 30 DEG C of ethyl alcohol liquid cold source, rate of temperature fall is 15 μm/s, to be freezed in the environment for being placed on 10pa completely
Low pressure is dry, obtains bracket Bear-grudge body, in 1300 DEG C of vacuum-sinterings, is sintered 1.5h up to the porous titanium framework of carbide In-sltu reinforcement.
Embodiment 2
It is pure that 1.804g neopelex, 0.1804g polyvinyl alcohol and 90.2g are sequentially added in 40g distilled water
The mass ratio of Ti powder, pure Ti powder and distilled water is 1:2, after being sufficiently mixed 22h, adds 9.02g sucrose and 0.451g stone
Black alkene ball milling obtains slurry for 24 hours, is that polyethylene bottom is in the cylindrical die of Heat Conduction Material by Ti slurry injection side wall ,-
Orientation freezing 1.5h on 60 DEG C of methanol liquid cold source, rate of temperature fall is 10 μm/s, to freeze the environment for being placed on 40pa completely
Mesolow is dry, obtains bracket Bear-grudge body, in 1200 DEG C of vacuum-sinterings, is sintered 2h up to the porous titanium framework of carbide In-sltu reinforcement.
Embodiment 3
The poly- second of 1.414g polyvinylpyrrolidone, 0.707g is sequentially added in 50g distilled water/tert-butyl alcohol mixed solution
Enol butyral and 70.7g Ti6Al4V powder, Ti6Al4V powder and distilled water/tert-butyl alcohol mass ratio are 1:4, are sufficiently mixed
After for 24 hours, adds 9.191g sucrose and 2.121g graphene ball milling 22h obtains slurry, by Ti6Al4It is poly- that V slurry, which injects side wall,
Ethylene bottom is to freeze 2h in -90 DEG C of liquid nitrogen and alcohol mixeding liquid body cold source orientation in the cylindrical die of Heat Conduction Material,
Rate of temperature fall is 5 μm/s, to freeze the environment mesolow drying for being placed on 20pa completely, obtains bracket Bear-grudge body, true at 1200 DEG C
Sky sintering is sintered 2.5h up to carbide In-sltu reinforcement porous titanium alloy bracket.
Embodiment 4
0.2825g polyvinylpyrrolidone, 1.695g lemon are sequentially added in 30g distilled water/tert-butyl alcohol mixed solution
Acid and the pure Ti powder of 56.5g, pure Ti powder and distilled water/tert-butyl alcohol mass ratio are 1:3, after being sufficiently mixed 23h, are added
11.3g sucrose and 2.26g graphene ball milling 12h obtain slurry, by Ti6Al4It is thermally conductive that V slurry injection side wall, which is polyethylene bottom,
In the cylindrical die of material, in -120 DEG C of liquid nitrogen and methyl alcohol mixed liquor body cold source orientation freezing 3h, rate of temperature fall is 15 μ
M/s obtains bracket Bear-grudge body, in 1400 DEG C of vacuum-sinterings, sintering to freeze the environment mesolow drying for being placed on 100pa completely
3h is up to carbide In-sltu reinforcement porous titanium alloy bracket.
The porosity of the porous support of In-sltu reinforcement titanium and its alloy that table 1 is prepared for the embodiment of the present invention 1,2,3 and 4,
Compression strength is as shown in table 1:
The porosity and compression strength of 1 In-sltu reinforcement titanium of table
Reinforced phase titanium carbide, porous branch are generated by addition carbon source sucrose and graphene reaction in-situ as can be seen from the table
The compressive property of frame significantly improves, and with the increase of cane sugar content, porosity slightly rises.
The present invention utilizes Freeze Drying Technique, controls the distribution in hole wall of sucrose and graphene, reaction in-situ when sintering
Generate reinforced phase titanium carbide, thus obtain intensity high, matrix and the second phase interface be well combined, impact-resistant titanium and its alloy branch
Frame has wide practical use in fields such as aerospace, automobile manufacture, biomedicines.
Claims (9)
1. the preparation method of a kind of carbide In-sltu reinforcement titanium and its alloy porous bracket, which is characterized in that containing titanium source
Sucrose and graphene are added in suspension, injects in mold after mixing, carbon can be obtained in freeze-dried, vacuum-sintering
The porous support of compound In-sltu reinforcement titanium and its alloy.
2. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 1 and its alloy porous bracket, special
Sign is, specifically implements according to the following steps:
Step 1, dispersing agent, binder and titanium source powder are sequentially added in a solvent, uniformly mix 20~for 24 hours, obtain suspension；
Step 2, it is stirred evenly after sucrose being added in suspension obtained in step 1, adds graphene, pass through ball milling
12~for 24 hours, obtain composite mortar；
Step 3, composite mortar obtained in step 2 is injected in mold, freezing is oriented on cold source, it is complete to suspension
After freezing, suspension is taken out, drying in environment under low pressure is placed in, obtains supporting frame prefabrication body；
Step 4, by supporting frame prefabrication body vacuum-sintering at high temperature obtained in step 3, obtain carbide In-sltu reinforcement titanium and its
Alloy porous bracket.
3. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 1, solvent be distilled water or distilled water-tert-butyl alcohol mixed solution, the titanium source powder be titantium hydride,
One kind of pure titanium or titanium alloy, the dispersing agent be Sodium Polyacrylate, sodium metnylene bis-naphthalene sulfonate, neopelex or
One kind of polyvinylpyrrolidone, the binder are polyvinyl alcohol, hydroxymethyl cellulose, citric acid or polyvinyl butyral
One kind.
4. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 1, the volume ratio of titanium source powder and solvent is 1:2~5, and the quality of the dispersing agent accounts for titanium source powder
The 0.5%~2% of quality, the quality of the binder account for the 0.2%~3% of titanium source powder quality.
5. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 2, the quality of sucrose accounts for the 5%~20% of titanium source powder quality, and the quality of graphene accounts for titanium source powder
The 0.5%~4% of quality.
6. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 3, being oriented cryogenic temperature when freezing is -120 DEG C~-30 DEG C, and rate of temperature fall is 5~15 μ
M/s, cooling time are 1.5~3h.
7. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 3, the bottom of mold is Heat Conduction Material, and Heat Conduction Material is aluminium, copper or silver.
8. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 3, the pressure of environment under low pressure is 10~100Pa.
9. the preparation method of a kind of carbide In-sltu reinforcement titanium according to claim 2 and its alloy porous bracket, special
Sign is, in the step 4, sintering temperature is 1200 DEG C~1400 DEG C, 1.5~3h of sintering time.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385437A (en) * | 2019-07-03 | 2019-10-29 | 西安理工大学 | A kind of preparation method of directional fiber In-sltu reinforcement titanium and its alloy bracket |
| CN112342419A (en) * | 2020-09-23 | 2021-02-09 | 华南理工大学 | Method for preparing TiC reinforced titanium-based composite material based on cross-linked modified sintered titanium hydride |
| CN112517910A (en) * | 2020-11-13 | 2021-03-19 | 西安理工大学 | Method for improving strength of high-porosity layered porous titanium and titanium alloy |
| CN112553494A (en) * | 2020-11-13 | 2021-03-26 | 南京航空航天大学 | Refrigeration device and method for preparing high-strength and high-toughness layered porous titanium alloy material by using same |
| CN113182520A (en) * | 2021-03-31 | 2021-07-30 | 北京科技大学 | Titanium product with titanium carbide reinforced titanium-based composite material hardened layer and preparation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462722A (en) * | 2009-01-09 | 2009-06-24 | 北京科技大学 | Method for preparing titanium carbide ceramic powder |
| US20140154576A1 (en) * | 2012-11-30 | 2014-06-05 | Lg Chem, Ltd. | Composite for anode active material and method of preparing the same |
| CN104945005A (en) * | 2015-06-25 | 2015-09-30 | 西安理工大学 | Porous material with central symmetry structure and method for preparing the same |
| CN107176604A (en) * | 2016-03-10 | 2017-09-19 | 中国科学院金属研究所 | A kind of method that carbon materials surface in situ generates nano-carbide coating |
| CN109482882A (en) * | 2018-10-22 | 2019-03-19 | 中国科学院金属研究所 | Foam metal and preparation method thereof with microcosmic orientation pore structure |
-
2019
- 2019-04-30 CN CN201910359580.6A patent/CN109940162B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462722A (en) * | 2009-01-09 | 2009-06-24 | 北京科技大学 | Method for preparing titanium carbide ceramic powder |
| US20140154576A1 (en) * | 2012-11-30 | 2014-06-05 | Lg Chem, Ltd. | Composite for anode active material and method of preparing the same |
| CN104945005A (en) * | 2015-06-25 | 2015-09-30 | 西安理工大学 | Porous material with central symmetry structure and method for preparing the same |
| CN107176604A (en) * | 2016-03-10 | 2017-09-19 | 中国科学院金属研究所 | A kind of method that carbon materials surface in situ generates nano-carbide coating |
| CN109482882A (en) * | 2018-10-22 | 2019-03-19 | 中国科学院金属研究所 | Foam metal and preparation method thereof with microcosmic orientation pore structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385437A (en) * | 2019-07-03 | 2019-10-29 | 西安理工大学 | A kind of preparation method of directional fiber In-sltu reinforcement titanium and its alloy bracket |
| CN110385437B (en) * | 2019-07-03 | 2021-09-10 | 西安理工大学 | Preparation method of directional fiber in-situ reinforced titanium and alloy bracket thereof |
| CN112342419A (en) * | 2020-09-23 | 2021-02-09 | 华南理工大学 | Method for preparing TiC reinforced titanium-based composite material based on cross-linked modified sintered titanium hydride |
| CN112342419B (en) * | 2020-09-23 | 2022-04-15 | 华南理工大学 | Method for preparing TiC reinforced titanium-based composite material based on cross-linked modified sintered titanium hydride |
| CN112517910A (en) * | 2020-11-13 | 2021-03-19 | 西安理工大学 | Method for improving strength of high-porosity layered porous titanium and titanium alloy |
| CN112553494A (en) * | 2020-11-13 | 2021-03-26 | 南京航空航天大学 | Refrigeration device and method for preparing high-strength and high-toughness layered porous titanium alloy material by using same |
| CN113182520A (en) * | 2021-03-31 | 2021-07-30 | 北京科技大学 | Titanium product with titanium carbide reinforced titanium-based composite material hardened layer and preparation method |
| CN116515146A (en) * | 2023-05-06 | 2023-08-01 | 陕西科技大学 | Multifunctional film material with cellulose/graphene-Mxene hybrid interweaving structure and preparation method thereof |
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Effective date of registration: 20211227 Address after: 241000 building 7, Beihang Wuhu TONGHANG Innovation Park, Anhui Xinwu Economic Development Zone, Wanhe District, Wuhu City, Anhui Province Patentee after: Anhui yuehuihui Intelligent Equipment Co.,Ltd. Address before: 710048 Shaanxi province Xi'an Beilin District Jinhua Road No. 5 Patentee before: XI'AN University OF TECHNOLOGY |