JPH0466806B2 - - Google Patents
Info
- Publication number
- JPH0466806B2 JPH0466806B2 JP25357087A JP25357087A JPH0466806B2 JP H0466806 B2 JPH0466806 B2 JP H0466806B2 JP 25357087 A JP25357087 A JP 25357087A JP 25357087 A JP25357087 A JP 25357087A JP H0466806 B2 JPH0466806 B2 JP H0466806B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- boehmite
- alumina
- aln
- particle size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000843 powder Substances 0.000 claims description 67
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 34
- 229910001593 boehmite Inorganic materials 0.000 claims description 34
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 34
- 229910052799 carbon Inorganic materials 0.000 claims description 32
- 239000000203 mixture Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 23
- 238000009826 distribution Methods 0.000 description 10
- 230000007704 transition Effects 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 7
- 238000005121 nitriding Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000002829 reductive effect Effects 0.000 description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910002706 AlOOH Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum alkoxide Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Ceramic Products (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25357087A JPH0196004A (ja) | 1987-10-09 | 1987-10-09 | 窒化アルミニウム粉末の製造方法 |
| CA000552817A CA1270365A (en) | 1986-11-28 | 1987-11-26 | Method for producing aluminum nitride powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25357087A JPH0196004A (ja) | 1987-10-09 | 1987-10-09 | 窒化アルミニウム粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0196004A JPH0196004A (ja) | 1989-04-14 |
| JPH0466806B2 true JPH0466806B2 (enrdf_load_stackoverflow) | 1992-10-26 |
Family
ID=17253209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25357087A Granted JPH0196004A (ja) | 1986-11-28 | 1987-10-09 | 窒化アルミニウム粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0196004A (enrdf_load_stackoverflow) |
-
1987
- 1987-10-09 JP JP25357087A patent/JPH0196004A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0196004A (ja) | 1989-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |