CN104387102B - A kind of CNT ceramic composite and preparation method thereof - Google Patents
A kind of CNT ceramic composite and preparation method thereof Download PDFInfo
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- CN104387102B CN104387102B CN201410596606.6A CN201410596606A CN104387102B CN 104387102 B CN104387102 B CN 104387102B CN 201410596606 A CN201410596606 A CN 201410596606A CN 104387102 B CN104387102 B CN 104387102B
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- 239000002131 composite material Substances 0.000 title claims abstract description 44
- 239000000919 ceramic Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 23
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 12
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 10
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 10
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims abstract description 9
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 8
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 6
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 claims description 3
- 229910003447 praseodymium oxide Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000002011 CNT10 Substances 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A kind of CNT ceramic composite and preparation method thereof, relating to field of material technology, composite includes each component of following mass fraction: carborundum 12 24 parts, titanium carbide 10 15 parts, tungsten carbide 5 10 parts, CNT 10 18 parts, cobalt powder 6 12 parts, nano aluminium oxide 6 15 parts, rare earth oxide 4 10 parts, nano-titanium oxide 38 parts and glass fibre 11 22 parts.The preparation method of CNT ceramic composite, including: (1) weighs；(2) ball milling；(3) hot pressed sintering；(4) cooling is taken out.The CNT ceramic composite that the present invention provides has higher bending strength and toughness, and ceramic material property is stable simultaneously, has preferable corrosion resistance and high-temperature oxidation resistance, and anti-wear performance is excellent, can use as cutting tool or structural material.
Description
Technical field
The invention belongs to field of material technology, particularly to a kind of CNT ceramic composite and the preparation method of this composite.
Background technology
CNT, has another name called Baji-tube, is a kind of One-dimensional Quantum material with special construction, and having radial dimension is nanometer scale, and axial dimension is micron dimension, and pipe two ends are substantially all the construction features of sealing.
CNT is as monodimension nanometer material, lightweight, and hexagonal structure connects perfection, has many abnormal mechanics, electricity and chemical property.The most constantly showed along with its wide application prospect of going deep into of CNT and nano materials research in recent years.
Utilize CNT to prepare composite, utilize the performance that CNT is excellent, become an important development approach of composite technology.
The class Inorganic Non-metallic Materials that ceramic material is made through shaping and high temperature sintering with naturally occurring or synthetic compound.It has the advantages such as high-melting-point, high rigidity, high-wearing feature, resistance to oxidation, can be used as structural material, cutter material, also has some special performance due to pottery, again can be as functional material.
The patent documentation " carbon nano tube strengthening toughening silicon carbide ceramic and preparation method thereof " of Application No. 201110438186.5 discloses a kind of CNT ceramic composite and preparation method thereof, and it is mainly made up of the raw material of following weight proportion: silicon carbide micro-powder: boron carbide micro powder: carbon dust: CNT: binding agent: dispersant is 100:0.5～3:1.5～8:0.5～3:3～6:0.2～3.0；Its preparation method is: use hot pressed sintering or non-pressure sintering technology to prepare.It can thus be appreciated that, this technical scheme is CNT and Ceramic Material to be carried out hot pressed sintering obtain ceramic composite, with CNT as reinforcing fiber, to improve toughness and the intensity of ceramic material, but effect is the most not satisfactory, may be relevant with the negative influence of other materials with CNT, its flexural strength, to having reached 600MPa, is not the most a kind of preferably composite ceramic material.
Summary of the invention
Present invention solves the technical problem that: for above-mentioned deficiency, overcome the defect of prior art, it is an object of the invention to provide a kind of CNT ceramic composite and preparation method thereof.
Technical scheme: a kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 12-24 part, titanium carbide 10-15 part, tungsten carbide 5-10 part, CNT 10-18 part, cobalt powder 6-12 part, nano aluminium oxide 6-15 part, rare earth oxide 4-10 part, nano-titanium oxide 3-8 part and glass fibre 11-22 part.
As preferably, CNT is 1-3:1 with the mass ratio of cobalt powder.
As preferably, rare earth oxide is lanthana, yittrium oxide or praseodymium oxide.
As preferably, the crystal formation of titanium oxide is rutile-type.
A kind of preparation method of CNT ceramic composite, preparation process is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1300 DEG C-1500 DEG C, pressure 2-5GPa, time 3-8h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
As preferably, in step (3), the pressure of calcining is 3.5GPa.
Beneficial effect: the CNT ceramic composite that the present invention provides, is with pottery as matrix material, by the potentiation of CNT, improves intensity and the toughness of ceramic material.First, the primary raw material being pottery with carbide, including carborundum, titanium carbide and tungsten carbide, to improve the key property of ceramic material；Next adds nano-oxide, according to the microstructure of nano-oxide, improves the performance of ceramic material；3rd, add rare earth element, improve combination property, therefore, ceramic matrix material itself i.e. has higher performance, then by the potentiation of CNT, it is possible to it is obviously improved ceramic material property so that the performance of ceramic material reaches a higher level.
Therefore, the CNT ceramic composite that the present invention provides has higher bending strength and toughness, and ceramic material property is stable simultaneously, has preferable corrosion resistance and high-temperature oxidation resistance, and anti-wear performance is excellent, can use as cutting tool or structural material.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but it is to be understood that these describe simply as further illustrating the features and advantages of the present invention rather than limiting to the claimed invention.
Embodiment 1:
A kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 12 parts, titanium carbide 10 parts, tungsten carbide 5 parts, CNT 10 parts, cobalt powder 6 parts, nano aluminium oxide 6 parts, yittrium oxide 4 parts, rutile type nano titanium oxide 3 parts and glass fibre 11 parts.
Preparing CNT ceramic composite according to the preparation method that the present invention provides, step is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1350 DEG C, pressure 3.5GPa, time 4h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
Embodiment 2:
A kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 24 parts, titanium carbide 15 parts, tungsten carbide 10 parts, CNT 18 parts, cobalt powder 12 parts, nano aluminium oxide 15 yittrium oxide 10 parts, rutile type nano titanium oxide 8 parts and glass fibre 22 parts.
Preparing CNT ceramic composite according to the preparation method that the present invention provides, step is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1450 DEG C, pressure 3.5GPa, time 5h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
Embodiment 3:
A kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 20 parts, titanium carbide 12 parts, tungsten carbide 8 parts, CNT 12 parts, cobalt powder 6 parts, nano aluminium oxide 12 parts, praseodymium oxide 6 parts, rutile type nano titanium oxide 5 parts and glass fibre 15 parts.
Preparing CNT ceramic composite according to the preparation method that the present invention provides, step is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1400 DEG C, pressure 3.5GPa, time 4h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
Embodiment 4:
A kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 15 parts, titanium carbide 11 parts, tungsten carbide 7 parts, CNT 12 parts, cobalt powder 8 parts, nano aluminium oxide 10 parts, lanthana 7 parts, rutile type nano titanium oxide 6 parts and glass fibre 16 parts.
Preparing CNT ceramic composite according to the preparation method that the present invention provides, step is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1400 DEG C, pressure 3.5GPa, time 5h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
Embodiment 5:
A kind of CNT ceramic composite, including each component of following mass fraction:
Carborundum 18 parts, titanium carbide 13 parts, tungsten carbide 7 parts, CNT 11 parts, cobalt powder 8 parts, nano aluminium oxide 12 parts, yittrium oxide 8 parts, rutile type nano titanium oxide 6 parts and glass fibre 18 parts.
Preparing CNT ceramic composite according to the preparation method that the present invention provides, step is as follows:
(1) weigh: accurately weigh each component；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1400 DEG C, pressure 3.5GPa, time 5h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
Technical scheme disclosed in patent documentation " carbon nano tube strengthening toughening silicon carbide ceramic and preparation method thereof " according to Application No. 201110438186.5 prepares CNT ceramic composite, for matched group；Composite by above-mentioned detailed description of the invention and matched group carries out the performance test of intensity and toughness, and result is as shown in table 1:
Table 1 CNT ceramic composite intensity and toughness properties measure
As seen from the above table, the intensity of embodiment 1-5 and toughness are above matched group, and difference is more notable, and wherein intensity and the toughness of embodiment 2 are the most excellent.
Therefore, the CNT ceramic composite that the present invention provides has good toughness and intensity.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.Multiple amendment to these embodiments will be apparent from for those skilled in the art, and generic principles defined herein can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (5)
1. the preparation method of a CNT ceramic composite, it is characterised in that preparation process is as follows:
(1) weigh: accurately weigh carborundum 12-24 part, titanium carbide 10-15 part, tungsten carbide 5-10 part, CNT 10-18 part, cobalt powder 6-12 part, nano aluminium oxide 6-15 part, rare earth oxide 4-10 part, nano-titanium oxide 3-8 part and glass fibre 11-22 part；
(2) ball milling: each component mixed, puts into ball mill and is ground mixing, take out after mix homogeneously, be dried；
(3) being put into by the mixed powder that step (2) obtains in high temperature furnace and calcine, temperature is 1300 DEG C-1500 DEG C, pressure 2-5GPa, time 3-8h；
(4) after calcining, taking-up to be cooled, i.e. obtain CNT ceramic composite.
The preparation method of CNT ceramic composite the most according to claim 1, it is characterised in that: in step (3), the pressure of calcining is 3.5GPa.
The preparation method of CNT ceramic composite the most according to claim 1, it is characterised in that: in step (1), CNT is 1-3:1 with the mass ratio of cobalt powder.
The preparation method of CNT ceramic composite the most according to claim 1, it is characterised in that: step (1) middle rare earth is lanthana, yittrium oxide or praseodymium oxide.
The preparation method of CNT ceramic composite the most according to claim 1, it is characterised in that: in step (1), the crystal formation of titanium oxide is rutile-type.
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| CN201410596606.6A CN104387102B (en) | 2014-10-30 | 2014-10-30 | A kind of CNT ceramic composite and preparation method thereof |
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| CN104387102B true CN104387102B (en) | 2016-08-31 |
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| CN105130439A (en) * | 2015-07-09 | 2015-12-09 | 浙江长兴银兴窑业有限公司 | High strength silicon carbide deck and production method thereof |
| CN108531132B (en) * | 2018-06-01 | 2023-10-27 | 五华中燃城市燃气发展有限公司 | Wear-resistant material, sealing retainer ring and natural gas pipeline ripple compensator |
| CN109503172B (en) * | 2018-11-30 | 2020-05-22 | 西安交通大学 | Preparation method of porous silicon carbide ceramic with vermicular crystal grains |
| CN111452157B (en) * | 2020-03-18 | 2021-10-29 | 安徽昌发实业有限公司 | Wicker system is with wear-resisting cutting knife of wicker |
| CN116573924B (en) * | 2023-05-06 | 2025-07-15 | 唐山市科硕特种陶瓷制造有限公司 | Special ceramic material and preparation method thereof |
| CN119930294A (en) * | 2025-04-08 | 2025-05-06 | 南通三圣石墨设备科技股份有限公司 | Impeller material, impeller and preparation method thereof for titanium dioxide waste acid regeneration device |
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| AU2010321534B2 (en) * | 2009-11-23 | 2015-03-26 | Applied Nanostructured Solutions, Llc | Ceramic composite materials containing carbon nanotube-infused fiber materials and methods for production thereof |
| CN102557641B (en) * | 2011-12-23 | 2013-07-03 | 宁波伏尔肯机械密封件制造有限公司 | Carbon nano tube strengthening toughening silicon carbide ceramic and preparation method thereof |
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