CN103664177B - Preparation method for sheet AlON/NbC composite material - Google Patents
Preparation method for sheet AlON/NbC composite material Download PDFInfo
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- CN103664177B CN103664177B CN201310611148.4A CN201310611148A CN103664177B CN 103664177 B CN103664177 B CN 103664177B CN 201310611148 A CN201310611148 A CN 201310611148A CN 103664177 B CN103664177 B CN 103664177B
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- sheet alon
- alon
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Abstract
The invention discloses a preparation method for a sheet AlON/NbC composite material. The preparation method is characterized in that sheet AlON power and NbC ceramic power are mixed uniformly according to the weight ratio of (10-50):100, and then are subjected to hot-pressing firing for 30-180 minutes at the temperature of 1600-2000 DEG C and under an argon atmosphere to form the sheet AlON/NbC composite material. The sheet AlON/NbC composite material prepared in the invention has the advantages of processibility as well as good processing, mechanical and thermal properties; the sheet AlON phase and the NbC phase are uniformly distributed in the sheet AlON/NbC composite material; the contents of the sheet AlON power and the NbC ceramic power are controllable.
Description
Technical field
The present invention relates to a kind of sheet AlON/NbC matrix material, belong to field of ceramic preparation technology.
Background technology
Stupalith has many excellent performances, but because stupalith hardness is large, when preparing precise measure ceramic component, only have by diamond abrasive wheel grinding, manufacturing cost is very high.So people are finding a kind of method always, not only basic mechanical performance requirement can met but also the method that mechanical workout obtains precise measure ceramic component can be carried out.The nineties in 20th century, the people such as Japanese scholars Niihara adopt Si
3n
4particles coat h-BN prepares intensity height processable ceramic parts, and the preparation for high-performance processable ceramic parts opens a new way; 2002, Li Yongli etc. were at " the Al that nanometer BN is coated
2o
3the preparation of composite powder and sintering character research thereof " middle employing analytical reagent CO (N
2)
2and H
3bO
3with mol ratio 1:4 mixing, after fully grinding in mortar, with high-purity Al
2o
3it take dehydrated alcohol as medium that powder (median size 03 μm) puts into plastic tank together, uses aluminum oxide abrading-ball, wet-milling batch mixing, then dries (stirring) simultaneously, then ball milling, makes Al in a hydrogen atmosphere
2o
3-h-BN processable ceramic; The Dong Yan tinkling of pieces of jade in 2004 etc. are at " TiB
2the preparation technology of one BN complex phase ceramic and performance study " in by TiB
2, BN and Ni powder weighs by a certain percentage, respectively with different mixing method batch mixing, by mixed slurry dried and screened, and loaded by uniform compound and scribbles in the graphite jig of BN, be placed in plasma discharge hot pressing furnace and carry out sintering at Ar gas shielded and prepare TiB
2-h-BN processable ceramic parts; 2009, Zhang Juxian employing boric acid and urea in " low-dielectric loss AIN pottery and the research of BN-AIN base ceramic material " mix to fire under nitrogen atmosphere with AlN powder made AlN-h-BN processable ceramic.Except Si in above-mentioned system
3n
4the bending strength of the processable ceramics such as-h-BN can reach beyond 950MPa., as TiB
2-h-BN, AlN-h-BN processable ceramic, anti-intensity also only has about 154 MPa..Therefore adopt common mixing, the bending strength of processable ceramics material prepared by chemical method h-BN coating technology is lower.2012, Shandong Technology Univ was at research AlN-Al
2o
3finding sheet AlON phase during binary solid solution, providing new approach for preparing processable ceramic.
Summary of the invention
The object of the invention is to for the preparation of processable ceramic provides a new approach.Its technological method is:
A kind of preparation method of sheet AlON/NbC matrix material, sheet AlON powder is adopted to be that 10 ~ 50:100 ratio uniform mixes with NbC ceramic powder with weight ratio, at the temperature of 1600 ~ 2000 DEG C, argon gas atmosphere hot pressing is fired and is made sheet AlON/NbC matrix material in 30 ~ 180 minutes, wherein, sheet AlON powder is AlN and Al
2o
3mol ratio be 2 ~ 5.
Compared with prior art, its advantage is in the present invention:
1, production sheet AlON/NbC matrix material uniform microstructure of the present invention, intensity is high, and global reliability is high;
2, prepared sheet AlON/NbC matrix material has good processability;
3, sheet AlON/NbC matrix material has excellent antioxidant property, mechanical property and thermal property.
Embodiment
embodiment 1
Be 2 μm of sheet AlON powders and granularity by granularity be 1 μm of NbC ceramic powder take weight ratio as the mixing of 10:100 ratio uniform, at the temperature of 1600 DEG C, argon gas atmosphere hot pressing is fired and is made sheet AlON/NbC matrix material in 30 minutes, wherein, sheet AlON powder is AlN and Al
2o
3mole ratio be 2.
embodiment 2
Be 1 μm of sheet AlON powder and granularity by granularity be 3 μm of NbC ceramic powders take weight ratio as the mixing of 30:100 ratio uniform, at the temperature of 1800 DEG C, argon gas atmosphere hot pressing is fired and is made sheet AlON/NbC matrix material in 110 minutes, wherein, sheet AlON powder is AlN and Al
2o
3mole ratio be 3.5.
embodiment 3
Be 3 μm of sheet AlON powders and granularity by granularity be 2 μm of NbC ceramic powders take weight ratio as the mixing of 50:100 ratio uniform, at the temperature of 2000 DEG C, argon gas atmosphere hot pressing is fired and is made sheet AlON/NbC matrix material in 180 minutes, wherein, sheet AlON powder is AlN and Al
2o
3mole ratio be 5.
Claims (1)
1. the preparation method of a sheet AlON/NbC matrix material, it is characterized in that: be the mixing of 10 ~ 50:100 ratio uniform by sheet AlON powder and NbC ceramic powder with weight ratio, at the temperature of 1600 ~ 2000 DEG C, argon gas atmosphere hot pressing is fired and is made sheet AlON/NbC matrix material in 30 ~ 180 minutes, and wherein sheet AlON powder is AlN and Al
2o
3mol ratio be 2 ~ 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611148.4A CN103664177B (en) | 2013-11-28 | 2013-11-28 | Preparation method for sheet AlON/NbC composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310611148.4A CN103664177B (en) | 2013-11-28 | 2013-11-28 | Preparation method for sheet AlON/NbC composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103664177A CN103664177A (en) | 2014-03-26 |
| CN103664177B true CN103664177B (en) | 2015-01-07 |
Family
ID=50303078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310611148.4A Expired - Fee Related CN103664177B (en) | 2013-11-28 | 2013-11-28 | Preparation method for sheet AlON/NbC composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103664177B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110357103B (en) * | 2019-07-01 | 2022-06-14 | 武汉科技大学 | Niobium carbide-aluminum nitride composite powder based on aluminum niobium carbide and preparation method thereof |
-
2013
- 2013-11-28 CN CN201310611148.4A patent/CN103664177B/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| 热压合成AlON-VN复相陶瓷的研究;赛音***等;《科学技术与工程》;20040330;第4卷(第3期);219 * |
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| Publication number | Publication date |
|---|---|
| CN103664177A (en) | 2014-03-26 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20151128 |
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| EXPY | Termination of patent right or utility model |