CN1699266A - Preparation of nano Ni0Al2O3 composite ceramic powder by vacuum reduction method - Google Patents
Preparation of nano Ni0Al2O3 composite ceramic powder by vacuum reduction method Download PDFInfo
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- CN1699266A CN1699266A CN 200510011659 CN200510011659A CN1699266A CN 1699266 A CN1699266 A CN 1699266A CN 200510011659 CN200510011659 CN 200510011659 CN 200510011659 A CN200510011659 A CN 200510011659A CN 1699266 A CN1699266 A CN 1699266A
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- nanometer
- preparation
- composite powders
- ceramic composite
- vacuum reduction
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- 239000000843 powder Substances 0.000 title claims abstract description 24
- 239000000919 ceramic Substances 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims description 6
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 229910003310 Ni-Al Inorganic materials 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 abstract 1
- 238000007873 sieving Methods 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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Abstract
The invention relates to the preparation of nano Ni0Al2O3 composite ceramic powder wherein the material is prepared from Ni(NO3)2 0.1-0.5, Al2O3 0.5-0.9 by the real mole number through ball grinding, mixing, drying, sieving, vacuum reduction calcining at 700-850 deg. C, and finally thermal insulating.
Description
Technical field
The present invention relates to a kind of nanometer Ni-Al for preparing
2O
3Ceramic composite powders and preparation method thereof belongs to ceramic materials preparation technology 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.Adopt simple mechanical mixture method to prepare metal nano compound alumina ceramic powder, can not obtain finely dispersed nano composite ceramic powder.Can not the good stupalith of obtained performance.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of cheap, preparation technology is simple, nanometer Ni-Al
2O
3Ceramic composite powders and preparation method thereof.
The nanometer Ni-Al that the present invention proposes
2O
3Ceramic composite powders, this material is with Ni (NO
3)
2And Al
2O
3Be raw material, it is characterized in that the prescription of described material is: Ni (NO
3)
2: 0.1～0.5, Al
2O
3: 0.5～0.9, its ratio is actual molal quantity.
It is simple, low-cost that another object of the present invention provides a kind of technology, and the nanometer Ni of preparation is scattered in Al uniformly
2O
3In the composite ceramic preparation method for material.
A kind of nanometer Ni-Al
2O
3Ceramic composite powders is characterized in that, this method is carried out successively as follows:
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.1～0.5, Al
2O
3: 0.5～0.9, 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 roughening treatment is pulverized, sieved namely get nanometer Ni-Al
2O
3Ceramic composite powders.
3, according to the described nanometer Ni-Al of claim 2
2O
3The preparation method of ceramic composite powders is characterized in that: the described vacuum reduction of step (4).
Utilize the powder particles of prescription of the present invention and preparation method preparation even, the granularity of nanometer Ni is 50nm, and the nano particle form is spherical.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: 0.1, 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 roughening treatment is pulverized, sieved namely get nanometer Ni-Al
2O
3Ceramic composite powders.
Embodiment 2
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.2, 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 15 hours;
(5) material after the above-mentioned roughening treatment is pulverized, sieved namely get nanometer Ni-Al
2O
3Ceramic composite powders.
Embodiment 3
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.5, Al
2O
3: 0.5, 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 roughening treatment is pulverized, sieved namely get nanometer Ni-Al
2O
3Ceramic composite powders.
Claims (3)
1, the standby nanometer Ni-Al of vacuum reduction legal system
2O
3Ceramic composite powders, this material is with Ni (NO
3)
2And Al
2O
3Be raw material, it is characterized in that the prescription of described material is: Ni (NO
3)
2: 0.1～0.5, Al
2O
3: 0.5～0.9, its ratio is actual molal quantity.
2, a kind of as claimed in claim 1 nanometer Ni-Al for preparing
2O
3The method of ceramic composite powders is characterized in that, this method is carried out successively as follows:
(1) weighing is Ni (NO in molar ratio respectively
3)
2: 0.1～0.5, Al
2O
3: 0.5～0.9, 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 roughening treatment is pulverized, sieved namely get nanometer Ni-Al
2O
3Ceramic composite powders.
3, according to the described nanometer Ni-Al of claim 2
2O
3The preparation method of ceramic composite powders is characterized in that: the described vacuum reduction of step (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510011659 CN1699266A (en) | 2005-04-29 | 2005-04-29 | Preparation of nano Ni0Al2O3 composite ceramic powder by vacuum reduction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510011659 CN1699266A (en) | 2005-04-29 | 2005-04-29 | Preparation of nano Ni0Al2O3 composite ceramic powder by vacuum reduction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1699266A true CN1699266A (en) | 2005-11-23 |
Family
ID=35475550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510011659 Pending CN1699266A (en) | 2005-04-29 | 2005-04-29 | Preparation of nano Ni0Al2O3 composite ceramic powder by vacuum reduction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1699266A (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 |
-
2005
- 2005-04-29 CN CN 200510011659 patent/CN1699266A/en active Pending
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 |
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