CN1730428A - Nano Co-Ni-Al2O3 composite ceramic material and its preparation method - Google Patents
Nano Co-Ni-Al2O3 composite ceramic material and its preparation method Download PDFInfo
- Publication number
- CN1730428A CN1730428A CN 200510012118 CN200510012118A CN1730428A CN 1730428 A CN1730428 A CN 1730428A CN 200510012118 CN200510012118 CN 200510012118 CN 200510012118 A CN200510012118 A CN 200510012118A CN 1730428 A CN1730428 A CN 1730428A
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- Prior art keywords
- nano
- ceramic material
- preparation
- composite ceramic
- sieved
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Links
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract description 9
- 229910052593 corundum Inorganic materials 0.000 title abstract 4
- 229910001845 yogo sapphire Inorganic materials 0.000 title abstract 4
- 238000005245 sintering Methods 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 12
- 229910003310 Ni-Al Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 abstract 4
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 abstract 2
- 238000007873 sieving Methods 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000009472 formulation Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a nano Co-Ni-Al2O3 composite ceramic material and precess for preparation by using Ni(NO3)2, Co(NO3)2 and Al2O3 as raw material through vacuum reduction and thermal sintering, the formulation of the raw materials includes Ni(NO3)2 0.05-0.1, Co(NO3)2 0.05-0.1, Al2O3 0.8-0.9, the ratio being the real mole number, the preparation consists of ball grinding and mixing, drying, sieving, vacuum reduction calcining at 700-850 deg. C, thermal insulating, disintegrating, sieving, sintering 1 hour at 1450-1550 deg. C.
Description
Technical field
The present invention relates to a kind of nano Co-Ni-Al
2O
3Composite ceramic material and preparation method thereof belongs to the ceramic material preparation
Technical field.
Background technology
Al
2O
3Ceramic material is owing to low price, and the preparation method is simple, and is used widely.Because Al
2O
3There is the big shortcoming of fragility in ceramic material, so that the range of application of aluminium oxide ceramics is very limited.Can improve the toughness of alumina ceramic material greatly by the metal nanoparticle complex method.The Ni metallic particles that adopt in the prior art more, because the Ni metal particle size is big, dispersed bad, adopt simple mechanical mixture method to prepare metal nano compound alumina ceramic powder, be difficult to obtain finely dispersed nano composite ceramic powder, thus ceramic material that can not excellent.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide that a kind of preparation technology is simple, the nano Co-Ni-Al of excellent material performance
2O
3Composite ceramic material and preparation method thereof.
Nano Co-Ni-Al that the present invention proposes
2O
3Composite ceramic material is characterized in that, this material is with Ni (NO
3)
2, Co (NO
3)
2And Al
2O
3Be raw material, the prescription of described material is: Ni (NO
3)
2: 0.05～0.1, Co (NO
3)
2: 0.05～0.1, Al
2O
3: 0.8～0.9, its ratio is actual molal quantity.
A kind of nano Co-Ni-Al that the present invention proposes
2O
3The preparation method of composite ceramic material, described method employing pressure sintering and vacuum reduction legal system are standby, it is characterized in that this method is carried out successively as follows:
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.05～0.1, Co (NO
3)
2: 0.05～0.1, Al
2O
3: 0.8～0.9, prepare burden;
(2) powder of being prepared is carried out ball mill mixing;
The material oven dry that (3) will mix is sieved;
(4) material that will sieve reduces calcining in 700 ℃～850 ℃ vacuum, and be incubated 10 hours～20 hours;
(5) material after the above-mentioned processing is pulverized, sieved;
(6) with the powder behind the above-mentioned crushing screening 1450～1550 ℃ of temperature, argon gas atmosphere, hot pressed sintering 1 hour.
Utilize the stupalith of prescription of the present invention and preparation method preparation, the granularity of nano Co-Ni is 100nm, and the nano particle form is spherical, and material fracture toughness is greater than 5MPam
1/2, breaking tenacity is greater than 800MPa, and this preparation method technology is simple, low-cost, is applicable to suitability for industrialized production.
Description of drawings
Fig. 1 is the microstructure photograph of material of the present invention, and resolving power is 5000 times.
Embodiment
The present invention will be further described below in conjunction with embodiment:
Embodiment 1
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.05, Co (NO
3)
2: 0.05, Al
2O
3: 0.9, prepare burden;
(2) powder of being prepared is carried out ball mill mixing;
The material oven dry that (3) will mix is sieved;
The material that (4) will sieve reduces calcining in 700 ℃ of vacuum, and is incubated 20 hours;
(5) material after the above-mentioned processing is pulverized, sieved;
(6) powder behind the strong above-mentioned crushing screening is at 1500 ℃, argon gas atmosphere, hot pressed sintering 1 hour.
Embodiment 2
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.1, Co (NO
3)
2: 0.1, Al
2O
3: 0.8, prepare burden;
(2) powder of being prepared is carried out ball mill mixing;
The material oven dry that (3) will mix is sieved;
The material that (4) will sieve reduces calcining in 800 ℃ of vacuum, and is incubated 20 hours;
(5) material after the above-mentioned processing is pulverized, sieved;
(6) powder behind the strong above-mentioned crushing screening is at 1550 ℃, argon gas atmosphere, hot pressed sintering 1 hour.
Embodiment 3
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.05, Co (NO
3)
2: 0.1, Al
2O
3: 0.85, prepare burden;
(2) powder of being prepared is carried out ball mill mixing;
The material oven dry that (3) will mix is sieved;
The material that (4) will sieve reduces calcining in 850 ℃ of vacuum, and is incubated 20 hours;
(5) material after the above-mentioned processing is pulverized, sieved;
(6) powder behind the strong above-mentioned crushing screening is at 1550 ℃, argon gas atmosphere, hot pressed sintering 1 hour.
Claims (2)
1, nano Co-Ni-Al
2O
3Composite ceramic material is characterized in that: this material is with Ni (NO
3)
2, Co (NO
3)
2And Al
2O
3Be raw material, the prescription of described material is: Ni (NO
3)
2: 0.05～0.1, Co (NO
3)
2: 0.05～0.1, Al
2O
3: 0.8～0.9, its ratio is actual molal quantity.
2, a kind of as claimed in claim 1 nano Co-Ni-Al for preparing
2O
3The method of composite ceramic material, described method employing pressure sintering and vacuum reduction legal system are standby, it is characterized in that this method is carried out successively as follows:
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.01～0.1, Co (NO
3)
2: 0.01～0.1 and Al
2O
3: 0.8～0.9, prepare burden;
(2) powder of being prepared is carried out ball mill mixing;
The material oven dry that (3) will mix is sieved;
(4) material that will sieve reduces calcining in 700 ℃～850 ℃ vacuum, and be incubated 10 hours～20 hours;
(5) material after the above-mentioned processing is pulverized, sieved;
(6) with the powder behind the above-mentioned crushing screening at 1450～1550 ℃ of temperature, hot pressed sintering under the protective atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100121187A CN1326800C (en) | 2005-07-08 | 2005-07-08 | Nano Co-Ni-Al2O3 composite ceramic material and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100121187A CN1326800C (en) | 2005-07-08 | 2005-07-08 | Nano Co-Ni-Al2O3 composite ceramic material and its preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730428A true CN1730428A (en) | 2006-02-08 |
| CN1326800C CN1326800C (en) | 2007-07-18 |
Family
ID=35962854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100121187A Expired - Fee Related CN1326800C (en) | 2005-07-08 | 2005-07-08 | Nano Co-Ni-Al2O3 composite ceramic material and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1326800C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140592A (en) * | 2011-03-08 | 2011-08-03 | 深圳市格林美高新技术股份有限公司 | Al2O3-contained nickel-base bonding phase ultrafine metal ceramic powder as well as preparation method and application thereof |
| CN107362798A (en) * | 2017-07-21 | 2017-11-21 | 北京华福工程有限公司 | Preparation method and the method for preparing ethene for the Pd M based metal catalysts of high purity acetylene Hydrogenation ethene |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100403843B1 (en) * | 2001-01-12 | 2003-11-01 | (주)세라코 | Ionizer emitter pin made of ceramic materials |
| CN1171827C (en) * | 2002-06-18 | 2004-10-20 | 宁波市北仑海伯精密机械制造有限公司 | Method for making aluminium oxide ceramic products |
-
2005
- 2005-07-08 CN CNB2005100121187A patent/CN1326800C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140592A (en) * | 2011-03-08 | 2011-08-03 | 深圳市格林美高新技术股份有限公司 | Al2O3-contained nickel-base bonding phase ultrafine metal ceramic powder as well as preparation method and application thereof |
| CN107362798A (en) * | 2017-07-21 | 2017-11-21 | 北京华福工程有限公司 | Preparation method and the method for preparing ethene for the Pd M based metal catalysts of high purity acetylene Hydrogenation ethene |
| CN107362798B (en) * | 2017-07-21 | 2020-06-16 | 北京华福工程有限公司 | Preparation method of Pd-M-based metal catalyst for preparing ethylene by hydrogenation of high-purity acetylene and method for preparing ethylene |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1326800C (en) | 2007-07-18 |
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