JPH0455994B2 - - Google Patents
Info
- Publication number
- JPH0455994B2 JPH0455994B2 JP1338666A JP33866689A JPH0455994B2 JP H0455994 B2 JPH0455994 B2 JP H0455994B2 JP 1338666 A JP1338666 A JP 1338666A JP 33866689 A JP33866689 A JP 33866689A JP H0455994 B2 JPH0455994 B2 JP H0455994B2
- Authority
- JP
- Japan
- Prior art keywords
- silicon nitride
- grain boundary
- sintered body
- phase
- nitride sintered
- 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 - Lifetime
Links
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 80
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 80
- 239000013078 crystal Substances 0.000 claims description 48
- 238000005245 sintering Methods 0.000 claims description 48
- 150000001875 compounds Chemical class 0.000 claims description 46
- 238000002425 crystallisation Methods 0.000 claims description 34
- 230000008025 crystallization Effects 0.000 claims description 34
- 238000001816 cooling Methods 0.000 claims description 32
- 229910052727 yttrium Inorganic materials 0.000 claims description 27
- 229910052749 magnesium Inorganic materials 0.000 claims description 24
- 229910052759 nickel Inorganic materials 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 22
- 229910052758 niobium Inorganic materials 0.000 claims description 22
- 229910052750 molybdenum Inorganic materials 0.000 claims description 19
- 229910052748 manganese Inorganic materials 0.000 claims description 17
- 229910052684 Cerium Inorganic materials 0.000 claims description 13
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims 1
- 239000010419 fine particle Substances 0.000 claims 1
- 239000012071 phase Substances 0.000 description 115
- 238000000034 method Methods 0.000 description 43
- 239000011521 glass Substances 0.000 description 32
- 238000010304 firing Methods 0.000 description 19
- 239000000843 powder Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- 239000002994 raw material Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000013001 point bending Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 238000000280 densification Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000012299 nitrogen atmosphere Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 150000004767 nitrides Chemical class 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000012298 atmosphere Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000001272 pressureless sintering Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010583 slow cooling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000002003 electron diffraction Methods 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000013022 formulation composition Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001719 melilite Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- -1 sintering aid Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Ceramic Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1338666A JPH02192465A (ja) | 1989-12-28 | 1989-12-28 | 窒化珪素焼結体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1338666A JPH02192465A (ja) | 1989-12-28 | 1989-12-28 | 窒化珪素焼結体 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60107249A Division JPS61266359A (ja) | 1985-05-20 | 1985-05-20 | 窒化珪素焼結体の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02192465A JPH02192465A (ja) | 1990-07-30 |
| JPH0455994B2 true JPH0455994B2 (ru) | 1992-09-07 |
Family
ID=18320320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1338666A Granted JPH02192465A (ja) | 1989-12-28 | 1989-12-28 | 窒化珪素焼結体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02192465A (ru) |
-
1989
- 1989-12-28 JP JP1338666A patent/JPH02192465A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02192465A (ja) | 1990-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |