JPH0513905B2 - - Google Patents
Info
- Publication number
- JPH0513905B2 JPH0513905B2 JP60043457A JP4345785A JPH0513905B2 JP H0513905 B2 JPH0513905 B2 JP H0513905B2 JP 60043457 A JP60043457 A JP 60043457A JP 4345785 A JP4345785 A JP 4345785A JP H0513905 B2 JPH0513905 B2 JP H0513905B2
- Authority
- JP
- Japan
- Prior art keywords
- sintering
- temperature
- mgo
- sio
- strength
- 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
- 238000005245 sintering Methods 0.000 claims description 63
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 46
- 239000000395 magnesium oxide Substances 0.000 claims description 32
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 19
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 19
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 18
- 239000000919 ceramic Substances 0.000 claims description 18
- 229910052596 spinel Inorganic materials 0.000 claims description 17
- 239000011029 spinel Substances 0.000 claims description 17
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims 1
- 239000000843 powder Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 12
- 239000011521 glass Substances 0.000 description 10
- 239000012071 phase Substances 0.000 description 10
- 238000001556 precipitation Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000000280 densification Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 229910020068 MgAl Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000001272 pressureless sintering Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- -1 that is Inorganic materials 0.000 description 1
Landscapes
- Ceramic Products (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60043457A JPS61201667A (ja) | 1985-03-05 | 1985-03-05 | 窒化珪素質セラミツクスの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60043457A JPS61201667A (ja) | 1985-03-05 | 1985-03-05 | 窒化珪素質セラミツクスの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61201667A JPS61201667A (ja) | 1986-09-06 |
JPH0513905B2 true JPH0513905B2 (enrdf_load_stackoverflow) | 1993-02-23 |
Family
ID=12664231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60043457A Granted JPS61201667A (ja) | 1985-03-05 | 1985-03-05 | 窒化珪素質セラミツクスの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61201667A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013124871A1 (en) * | 2012-02-22 | 2013-08-29 | Mbda Italia S.P.A. | Ceramic material for radome, radome and process for the production thereof |
-
1985
- 1985-03-05 JP JP60043457A patent/JPS61201667A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61201667A (ja) | 1986-09-06 |
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