JPS6227023B2 - - Google Patents
Info
- Publication number
- JPS6227023B2 JPS6227023B2 JP51015746A JP1574676A JPS6227023B2 JP S6227023 B2 JPS6227023 B2 JP S6227023B2 JP 51015746 A JP51015746 A JP 51015746A JP 1574676 A JP1574676 A JP 1574676A JP S6227023 B2 JPS6227023 B2 JP S6227023B2
- Authority
- JP
- Japan
- Prior art keywords
- organosilicon
- bonds
- compound
- sintered body
- compounds
- 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
- 239000000919 ceramic Substances 0.000 claims description 62
- 150000001875 compounds Chemical class 0.000 claims description 44
- 229920001558 organosilicon polymer Polymers 0.000 claims description 35
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 34
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 32
- 238000005245 sintering Methods 0.000 claims description 30
- 238000010438 heat treatment Methods 0.000 claims description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 23
- 239000012298 atmosphere Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 16
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- -1 Organosilicon compound esters Chemical class 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 150000001247 metal acetylides Chemical class 0.000 claims description 7
- 229910018540 Si C Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 229910021332 silicide Inorganic materials 0.000 claims description 4
- 229910008051 Si-OH Inorganic materials 0.000 claims description 3
- 229910008045 Si-Si Inorganic materials 0.000 claims description 3
- 229910002808 SiâOâSi Inorganic materials 0.000 claims description 3
- 229910006358 SiâOH Inorganic materials 0.000 claims description 3
- 229910006411 SiâSi Inorganic materials 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 description 39
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 26
- 230000000996 additive effect Effects 0.000 description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 229920003257 polycarbosilane Polymers 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000012071 phase Substances 0.000 description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 238000010304 firing Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000006068 polycondensation reaction Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000012300 argon atmosphere Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000003779 heat-resistant material Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 150000002902 organometallic compounds Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- RTCLHEHPUHREBC-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6-dodecamethylhexasilinane Chemical compound C[Si]1(C)[Si](C)(C)[Si](C)(C)[Si](C)(C)[Si](C)(C)[Si]1(C)C RTCLHEHPUHREBC-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- OCQVVXJUPFJXIZ-UHFFFAOYSA-N carbon monoxide;cyclopenta-1,3-diene;cyclopentane;titanium Chemical group [Ti].[O+]#[C-].[O+]#[C-].C=1C=C[CH-]C=1.[CH-]1[CH-][CH-][CH-][CH-]1 OCQVVXJUPFJXIZ-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920000548 poly(silane) polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910019974 CrSi Inorganic materials 0.000 description 1
- 229910016006 MoSi Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910003691 SiBr Inorganic materials 0.000 description 1
- 229910004536 SiMgO Inorganic materials 0.000 description 1
- 229910020175 SiOH Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- TUTOKIOKAWTABR-UHFFFAOYSA-N dimethylalumane Chemical compound C[AlH]C TUTOKIOKAWTABR-UHFFFAOYSA-N 0.000 description 1
- XCLIHDJZGPCUBT-UHFFFAOYSA-N dimethylsilanediol Chemical compound C[Si](C)(O)O XCLIHDJZGPCUBT-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000001283 organosilanols Chemical class 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Description
æ¬çºæã¯ãèç±ã»ã©ããã¯ã¹ã®çŒçµæ圢äœã®è£œ
é æ¹æ³ã«é¢ããã ç¹ã«ãæ¬çºæã¯ãé žåç©ãçåç©ãçªåç©ãç¡Œ
åç©ããã³çªåç©çãããªãèç±ã»ã©ããã¯ã¹ã®
ç²æ«ã«ãæ·»å å€ãšããŠçªçŽ ãšççŽ ãäž»ããéªšæ Œæ
åãšããææ©ã±ã€çŽ é«ååååç©ãïŒïŒ 以äžæ··å
ããã®ã¡æ··åç©ãæ圢å å·¥ããå·¥çšãšå ç±çŒçµã
ãå·¥çšãšãå å«ããŠãªãèç±ã»ã©ããã¯ã¹çŒçµæ
圢äœã®è£œé æ¹æ³ã«é¢ãããã®ã§ããã åŸæ¥ãèç±æ§ã«åªããã»ã©ããã¯ã¹ãšããŠå€æ¹
é¢ã«äœ¿çšãããŠããçŒçµæ圢äœãšããŠã¯ãäŸãã°
Al2O3ïŒBeOïŒMgOïŒZrO2ïŒSiO2ãªã©ã®é žåç©ã
SiCïŒTiCïŒWCïŒB4Cãªã©ã®çåç©ãSi3N4ïŒ
BNïŒAlNãªã©ã®çªåç©ãTiB2ïŒZrB2ãªã©ã®ç¡Œå
ç©ããã«ã¯MoSi2ïŒWSi2ïŒCrSi2ãªã©ã®çªåç©ã
ãã³ãããã®è€åååç©ãç¥ãããŠãããããã
ã®ã»ã©ããã¯ã¹çŒçµæ圢äœã¯ãããããã®ç²ç²äœ
ã®æ圢å å·¥ããã³å ç±çŒçµã«ãã€ãŠè£œé ãããŠã
ãããè¿å¹ŽãŸããŸãå¿ èŠãšãããé«æž©ã«ãããæ©
械çæ§è³ªãªã©ã®é«æž©ç¹æ§ã«åªããçŒçµæ圢äœãåŸ
ãããã«ã¯ã補åã®é«å¯åºŠåãèšãããšãæãè
èŠãšããããã®é«å¯åºŠåã«é¢ããç 究éçºã¯çš®ã
ã®ã»ã©ããã¯ã¹ã«ã€ããŠæ°å€ãå ±åãããŠããã
ã»ã©ããã¯ã¹ã®é«å¯åºŠçŒçµäœãåŸãããã«ã¯ãçŒ
çµäœäžã®ç²å ããã³ç²çã«ããã空åã®éãæå°
éã«æŒããããšãå¿ èŠã§ããããã®ããã«ã¯ãé«
å§åã«ããæ圢å å·¥ãé«æž©åºŠã«ããå ç±çŒçµãæ
ããããããé«å§åãé«æž©åºŠãåŸãããã«ã¯çµæž
çäžå©ã䌎ãããšãå€ãããã®ãããæè¿ã§ã¯å
èšé«å§åãé«æž©åºŠãçšããªãã§é«å¯åºŠçŒçµäœãåŸ
ãæ¹æ³ãšããŠãé©åãªæ·»å å€ãæ·»å ããããšã«ã
ã€ãŠãæ¯èŒçäœãå å§ãçŒçµæž©åºŠã§ã空åã®å°ã
é«å¯åºŠçŒçµäœã補é ããç 究ãçãã§ãããããª
ãã¡åèšé©åãªæ·»å å€ã䜿çšããããšã§ãã»ã©ã
ãã¯ã¹ã®èªå·±çŒçµæ§ãåäžãããããšåæã«çŒçµ
äœã®ç²ã®ç°åžžæé·ãææ¢ããŠãç²å ã«ç©ºåãæ®å
ããããšãé²ãäžã«ãæ·»å å€ããç²çãé«å¯åºŠã«
å å¡«ããããšãã§ããã®ã§ãçµæžçæå©ã«é«å¯åºŠ
çŒçµäœãåŸãããšãã§ããããã§ããã åŸæ¥äœ¿çšãããŠããæ·»å å€ãšããŠã¯ãäŸãã°ã
Al2O3ã«å ããMgOãNiOïŒZrO2ã«å ããCaOã
TiOïŒSi3N4ã«å ããAl2O3ãY2O3ïŒSiCã«å ãã
ãSiïŒTiCã«å ããNiãWCïŒZrB2ã«å ãã
ZrO2ãCrB2ãªã©ã®ããã«ãé žåç©ç³»ã®æ·»å å€ã
å€ãããä»ã«éå±å çŽ åäœã§æ·»å ãããã®ããã
ã«ã¯äŸãã°çåç©ã«å¯ŸããŠä»ã®çåç©ãç¡Œåç©ã«
察ããŠä»ã®ç¡Œåç©ãæ·»å ããããšãå€ããããã
ã®æ·»å å€ãéžå®ãããçç±ã¯ãèªå·±çŒçµæ§ã«ä¹ã
ãã»ã©ããã¯ã¹ã®çŒçµãå©æããããã«ãåºå°ã»
ã©ããã¯ã¹ãšæ·»å å€ãšã®éã®çžåå¿ãçèµ·ããã
ãããããã¯æ·»å å€ãé«æž©ã«ãããŠå¡æ§åããã
液çžãšãªã€ããããããçŒçµãé²è¡ãæããªãã
ãã§ããã ããããªãããåè¿°ããåŸæ¥ã®æ·»å å€ã«ã¯æ¬¡ã®
ãããªæ¬ ç¹ããããæ·»å å€ãšã»ã©ããã¯ã¹åºå°ã®
åºçžåå¿ãå©çšããé«å¯åºŠçŒçµäœã«ãããŠã¯ãæ·»
å ç©ãšã»ã©ããã¯ã¹ã®åå¿ã«ãã第ïŒïŒç¬¬ïŒçžã
åºçŸãããããäž»ãšããŠçµæ¶ç²çã«ååšããŠã
ããé«æž©ã«ãªããšãããã®ç²çæ§æç©ããå¡æ§å€
圢ãçãæããé«æž©åŒ·åºŠãç®çãšããçŒçµäœãšã¯
ãªãé£ãããšãå€ããäŸãã°ãSi3N4ã«MgOãæ·»
å ããå Žåã¯ã第ïŒçžãšããŠSiMgO3ãªãã¬ã©ã¹
質çžãã§ãããããç²çãåããããšã«ããé«å¯
床åã¯éæãããããé«æž©ã«ããããã®çŒçµäœã®
æ©æ¢°ç匷床ã¯ãåèšã¬ã©ã¹è³ªçžãè»åãããã
1000âååŸããæ¥éã«äœäžããæ¬ ç¹ãæããŠã
ããããã«ãæ·»å å€ã®å¡æ§åã液çžåãå©çšãã
é«å¯åºŠçŒçµäœã«ãããŠããäžèšãšåæ§ã«é«æž©ã«ã
ããç²çã§ã®å¡æ§å€åœ¢ã液äœæµåã«ããã匷床ã®
äœäžãèãããªãæ¬ ç¹ãæããŠããããŸããäžèš
ã®ãããªé«æž©åŒ·åºŠã®äœäžãæããªãæ·»å å€ãšããŠ
ã¯ãã¬ã©ã¹è³ªã«ãªãæãé žåç©ã液çžã«ãªãæã
éå±åäœãé€ãããã®ãææã§ããããåºäœç²æ«
ç¶ã®çåç©ç³»ãç¡Œåç©ç³»ã¯äžè¬ã«èªå·±çŒçµæ§ãæª
ããããããæ·»å å€ãšããŠäœ¿çšããŠãå åãªé«å¯
床åã®å¹æã¯æåŸ ã§ããªãã 以äžè¿°ã¹ãããã«ãé«å¯åºŠã§ãããé«æž©åŒ·åºŠã«
åªããçŒçµäœãåŸãããã®æ·»å å€ãšããŠã¯ãé«æž©
ã«ãããŠå¡æ§å€åœ¢ããããããªããããªãã®ãã
ãã«ã¯çŒçµéçšã§çš å¯ã«ç²çãå å¡«ãããšãšãã«
åºå°ã»ã©ããã¯ã¹ã®çŒçµæ§ãåäžãããããã»ã©
ããã¯ã¹ã®ç²å€§æé·ãææ¢ãããããªãã®ãé©å
ã§ããã æ¬çºæã¯äžèšãããããªé©åãªæ§è³ªãæããæ°
ããæ·»å å€ããçšããããšã«ãããé«å¯åºŠã§ãã
ãé«æž©åŒ·åºŠã«åªããèç±ã»ã©ããã¯ã¹çŒçµæ圢äœ
ã補é ããæ¹æ³ãæäŸããããšãç®çãšãããã®
ã§ãããç¹ã«ãæ¬çºæã¯ãççŽ ãšã±ã€çŽ ãäž»ãªéªš
æ Œæåãšããææ©ã±ã€çŽ é«ååååç©ãæ·»å å€ãš
ããŠçšããããšã«ãããèç±ã»ã©ããã¯ã¹ã®çŒçµ
éçšã«ãããŠãåºå°ã»ã©ããã¯ã¹ã®çŒçµæ§ãåäž
ããããšãšãã«ãåèšææ©ã±ã€çŽ é«ååååç©ã
äž»ãšããŠSiCãšãªãç²çãå å¡«ããããšãç¹åŸŽãš
ããé«å¯åºŠã»é«åŒ·åºŠãæããèç±ã»ã©ããã¯ã¹çŒ
çµæ圢äœã補é ããæ¹æ³ã«é¢ãããã®ã§ãããã
ãªãã¡ãåèšææ©ã±ã€çŽ é«ååååç©ã¯ãã®ãŸãŸ
ãããã¯å ç±ã溶解ã«ããç²çš 液ãšããŠäœ¿çšãã
ããšãã§ãããããä»ã®ç²æ«ç¶æ·»å å€ãšã¯ç°ãã
åºå°ã»ã©ããã¯ã¹ç²äœäžã§å šäœã«æžã€ãŠåäžã«å
åžã§ãããããå ç±ã«ããSiCãšãªãéçšã§çã
ãéé¢ççŽ ãæ®æ£æ§ç©è³ªãåºå°ã»ã©ããã¯ã¹ãšæ¥
觊ããããšã«ããã»ã©ããã¯ã¹ã®çŒçµæ§ãåäžã
ããããšã«å ããŠãçæããSiCã¯äž»ãšããŠç²ç
ã«ååšããŠã»ã©ããã¯ã¹ç²äœã®ç°åžžç²å€§æé·ãæ
æ¢ããã®ã§ãçµæ¶æé·åŸã®ç²å ã«ããã空åã®æ®
åéãèããå°ãªãããé«å¯åºŠçŒçµäœãåŸããã
ããšãããã«ã¯ç²çãå å¡«ããSiCã¯é«æž©ã«ãã
ãæ©æ¢°ç匷床ã«æ¥µããŠåªããŠãããããçŒçµäœå š
äœã®é«æž©ã«ããã匷床ã®äœäžããããããªãããš
ãªã©ã«çç®ããŠæ¬çºæãå®æãããã®ã§ããã 次ã«ãæ¬çºæã«ãããŠäœ¿çšããççŽ ãšã±ã€çŽ ã
äž»ããéªšæ Œæåãšããææ©ã±ã€çŽ é«ååååç©ã
ããªãæ·»å å€ã«ã€ããŠèª¬æããã åèšææ©ã±ã€çŽ é«ååååç©ã¯ãæ¬çºæè ãã
æ¢ã«çºæããç¹èš±åºé¡ãããã®ã§ããããã®è£œé
æ¹æ³ã¯ãç¹å ¬æ57â26527å·ãç¹å ¬æ58â38534
å·ãç¹å ¬æ57â53892å·ãç¹éæ51â149925å·ã
ç¹éæ51â149926å·ãç¹å ¬æ57â53893å·ãç¹é
æ51â147624å·ãç¹å ¬æ57â56566å·ãç¹å ¬æ58
â38535å·åã³ç¹é¡æ50â107371å·ã®æ现æžã«è©³
现ã«èª¬æãããŠããçºæã«åºãããã®ã§ããã æ¬çºæã«çšããã±ã€çŽ ãšççŽ ãšãäž»ãªéªšæ Œæå
ãšããææ©ã±ã€çŽ é«ååååç©ã®åºçºåæãšããŠ
䜿çšããããšã®ã§ããææ©ã±ã€çŽ ååç©ã¯äžèš(1)
ã(9)ã®ååŒã«åé¡ããããã®ããéžã°ããäœãã
ïŒçš®ãŸãã¯ïŒçš®ä»¥äžãããªããã®ã§ããã (1) Siâçµåã®ã¿ããµããææ©ã±ã€çŽ ååç©ã·
ã©çåæ°ŽçŽ ïŒSilahydrocarbonïŒãšãã°ãã
R4SiïŒR3SiïŒRâ²SiRïŒoRâ²SiR2ãªã©ãšãã®ççŽ â
å®èœæ§èªå°äœãããã«å±ããã äŸ ïŒCH3ïŒ4SiïŒïŒCH2ïŒCHïŒ4SiïŒïŒCH3ïŒ3SiCâ¡
CSiïŒCH3ïŒ3ïŒïŒCH2ïŒ5SiïŒCH2ïŒ4ïŒ
ïŒC2H5ïŒ3SiCH2CH2ClïŒïŒC6H5ïŒ3SiCO2HïŒ
é æ¹æ³ã«é¢ããã ç¹ã«ãæ¬çºæã¯ãé žåç©ãçåç©ãçªåç©ãç¡Œ
åç©ããã³çªåç©çãããªãèç±ã»ã©ããã¯ã¹ã®
ç²æ«ã«ãæ·»å å€ãšããŠçªçŽ ãšççŽ ãäž»ããéªšæ Œæ
åãšããææ©ã±ã€çŽ é«ååååç©ãïŒïŒ 以äžæ··å
ããã®ã¡æ··åç©ãæ圢å å·¥ããå·¥çšãšå ç±çŒçµã
ãå·¥çšãšãå å«ããŠãªãèç±ã»ã©ããã¯ã¹çŒçµæ
圢äœã®è£œé æ¹æ³ã«é¢ãããã®ã§ããã åŸæ¥ãèç±æ§ã«åªããã»ã©ããã¯ã¹ãšããŠå€æ¹
é¢ã«äœ¿çšãããŠããçŒçµæ圢äœãšããŠã¯ãäŸãã°
Al2O3ïŒBeOïŒMgOïŒZrO2ïŒSiO2ãªã©ã®é žåç©ã
SiCïŒTiCïŒWCïŒB4Cãªã©ã®çåç©ãSi3N4ïŒ
BNïŒAlNãªã©ã®çªåç©ãTiB2ïŒZrB2ãªã©ã®ç¡Œå
ç©ããã«ã¯MoSi2ïŒWSi2ïŒCrSi2ãªã©ã®çªåç©ã
ãã³ãããã®è€åååç©ãç¥ãããŠãããããã
ã®ã»ã©ããã¯ã¹çŒçµæ圢äœã¯ãããããã®ç²ç²äœ
ã®æ圢å å·¥ããã³å ç±çŒçµã«ãã€ãŠè£œé ãããŠã
ãããè¿å¹ŽãŸããŸãå¿ èŠãšãããé«æž©ã«ãããæ©
械çæ§è³ªãªã©ã®é«æž©ç¹æ§ã«åªããçŒçµæ圢äœãåŸ
ãããã«ã¯ã補åã®é«å¯åºŠåãèšãããšãæãè
èŠãšããããã®é«å¯åºŠåã«é¢ããç 究éçºã¯çš®ã
ã®ã»ã©ããã¯ã¹ã«ã€ããŠæ°å€ãå ±åãããŠããã
ã»ã©ããã¯ã¹ã®é«å¯åºŠçŒçµäœãåŸãããã«ã¯ãçŒ
çµäœäžã®ç²å ããã³ç²çã«ããã空åã®éãæå°
éã«æŒããããšãå¿ èŠã§ããããã®ããã«ã¯ãé«
å§åã«ããæ圢å å·¥ãé«æž©åºŠã«ããå ç±çŒçµãæ
ããããããé«å§åãé«æž©åºŠãåŸãããã«ã¯çµæž
çäžå©ã䌎ãããšãå€ãããã®ãããæè¿ã§ã¯å
èšé«å§åãé«æž©åºŠãçšããªãã§é«å¯åºŠçŒçµäœãåŸ
ãæ¹æ³ãšããŠãé©åãªæ·»å å€ãæ·»å ããããšã«ã
ã€ãŠãæ¯èŒçäœãå å§ãçŒçµæž©åºŠã§ã空åã®å°ã
é«å¯åºŠçŒçµäœã補é ããç 究ãçãã§ãããããª
ãã¡åèšé©åãªæ·»å å€ã䜿çšããããšã§ãã»ã©ã
ãã¯ã¹ã®èªå·±çŒçµæ§ãåäžãããããšåæã«çŒçµ
äœã®ç²ã®ç°åžžæé·ãææ¢ããŠãç²å ã«ç©ºåãæ®å
ããããšãé²ãäžã«ãæ·»å å€ããç²çãé«å¯åºŠã«
å å¡«ããããšãã§ããã®ã§ãçµæžçæå©ã«é«å¯åºŠ
çŒçµäœãåŸãããšãã§ããããã§ããã åŸæ¥äœ¿çšãããŠããæ·»å å€ãšããŠã¯ãäŸãã°ã
Al2O3ã«å ããMgOãNiOïŒZrO2ã«å ããCaOã
TiOïŒSi3N4ã«å ããAl2O3ãY2O3ïŒSiCã«å ãã
ãSiïŒTiCã«å ããNiãWCïŒZrB2ã«å ãã
ZrO2ãCrB2ãªã©ã®ããã«ãé žåç©ç³»ã®æ·»å å€ã
å€ãããä»ã«éå±å çŽ åäœã§æ·»å ãããã®ããã
ã«ã¯äŸãã°çåç©ã«å¯ŸããŠä»ã®çåç©ãç¡Œåç©ã«
察ããŠä»ã®ç¡Œåç©ãæ·»å ããããšãå€ããããã
ã®æ·»å å€ãéžå®ãããçç±ã¯ãèªå·±çŒçµæ§ã«ä¹ã
ãã»ã©ããã¯ã¹ã®çŒçµãå©æããããã«ãåºå°ã»
ã©ããã¯ã¹ãšæ·»å å€ãšã®éã®çžåå¿ãçèµ·ããã
ãããããã¯æ·»å å€ãé«æž©ã«ãããŠå¡æ§åããã
液çžãšãªã€ããããããçŒçµãé²è¡ãæããªãã
ãã§ããã ããããªãããåè¿°ããåŸæ¥ã®æ·»å å€ã«ã¯æ¬¡ã®
ãããªæ¬ ç¹ããããæ·»å å€ãšã»ã©ããã¯ã¹åºå°ã®
åºçžåå¿ãå©çšããé«å¯åºŠçŒçµäœã«ãããŠã¯ãæ·»
å ç©ãšã»ã©ããã¯ã¹ã®åå¿ã«ãã第ïŒïŒç¬¬ïŒçžã
åºçŸãããããäž»ãšããŠçµæ¶ç²çã«ååšããŠã
ããé«æž©ã«ãªããšãããã®ç²çæ§æç©ããå¡æ§å€
圢ãçãæããé«æž©åŒ·åºŠãç®çãšããçŒçµäœãšã¯
ãªãé£ãããšãå€ããäŸãã°ãSi3N4ã«MgOãæ·»
å ããå Žåã¯ã第ïŒçžãšããŠSiMgO3ãªãã¬ã©ã¹
質çžãã§ãããããç²çãåããããšã«ããé«å¯
床åã¯éæãããããé«æž©ã«ããããã®çŒçµäœã®
æ©æ¢°ç匷床ã¯ãåèšã¬ã©ã¹è³ªçžãè»åãããã
1000âååŸããæ¥éã«äœäžããæ¬ ç¹ãæããŠã
ããããã«ãæ·»å å€ã®å¡æ§åã液çžåãå©çšãã
é«å¯åºŠçŒçµäœã«ãããŠããäžèšãšåæ§ã«é«æž©ã«ã
ããç²çã§ã®å¡æ§å€åœ¢ã液äœæµåã«ããã匷床ã®
äœäžãèãããªãæ¬ ç¹ãæããŠããããŸããäžèš
ã®ãããªé«æž©åŒ·åºŠã®äœäžãæããªãæ·»å å€ãšããŠ
ã¯ãã¬ã©ã¹è³ªã«ãªãæãé žåç©ã液çžã«ãªãæã
éå±åäœãé€ãããã®ãææã§ããããåºäœç²æ«
ç¶ã®çåç©ç³»ãç¡Œåç©ç³»ã¯äžè¬ã«èªå·±çŒçµæ§ãæª
ããããããæ·»å å€ãšããŠäœ¿çšããŠãå åãªé«å¯
床åã®å¹æã¯æåŸ ã§ããªãã 以äžè¿°ã¹ãããã«ãé«å¯åºŠã§ãããé«æž©åŒ·åºŠã«
åªããçŒçµäœãåŸãããã®æ·»å å€ãšããŠã¯ãé«æž©
ã«ãããŠå¡æ§å€åœ¢ããããããªããããªãã®ãã
ãã«ã¯çŒçµéçšã§çš å¯ã«ç²çãå å¡«ãããšãšãã«
åºå°ã»ã©ããã¯ã¹ã®çŒçµæ§ãåäžãããããã»ã©
ããã¯ã¹ã®ç²å€§æé·ãææ¢ãããããªãã®ãé©å
ã§ããã æ¬çºæã¯äžèšãããããªé©åãªæ§è³ªãæããæ°
ããæ·»å å€ããçšããããšã«ãããé«å¯åºŠã§ãã
ãé«æž©åŒ·åºŠã«åªããèç±ã»ã©ããã¯ã¹çŒçµæ圢äœ
ã補é ããæ¹æ³ãæäŸããããšãç®çãšãããã®
ã§ãããç¹ã«ãæ¬çºæã¯ãççŽ ãšã±ã€çŽ ãäž»ãªéªš
æ Œæåãšããææ©ã±ã€çŽ é«ååååç©ãæ·»å å€ãš
ããŠçšããããšã«ãããèç±ã»ã©ããã¯ã¹ã®çŒçµ
éçšã«ãããŠãåºå°ã»ã©ããã¯ã¹ã®çŒçµæ§ãåäž
ããããšãšãã«ãåèšææ©ã±ã€çŽ é«ååååç©ã
äž»ãšããŠSiCãšãªãç²çãå å¡«ããããšãç¹åŸŽãš
ããé«å¯åºŠã»é«åŒ·åºŠãæããèç±ã»ã©ããã¯ã¹çŒ
çµæ圢äœã補é ããæ¹æ³ã«é¢ãããã®ã§ãããã
ãªãã¡ãåèšææ©ã±ã€çŽ é«ååååç©ã¯ãã®ãŸãŸ
ãããã¯å ç±ã溶解ã«ããç²çš 液ãšããŠäœ¿çšãã
ããšãã§ãããããä»ã®ç²æ«ç¶æ·»å å€ãšã¯ç°ãã
åºå°ã»ã©ããã¯ã¹ç²äœäžã§å šäœã«æžã€ãŠåäžã«å
åžã§ãããããå ç±ã«ããSiCãšãªãéçšã§çã
ãéé¢ççŽ ãæ®æ£æ§ç©è³ªãåºå°ã»ã©ããã¯ã¹ãšæ¥
觊ããããšã«ããã»ã©ããã¯ã¹ã®çŒçµæ§ãåäžã
ããããšã«å ããŠãçæããSiCã¯äž»ãšããŠç²ç
ã«ååšããŠã»ã©ããã¯ã¹ç²äœã®ç°åžžç²å€§æé·ãæ
æ¢ããã®ã§ãçµæ¶æé·åŸã®ç²å ã«ããã空åã®æ®
åéãèããå°ãªãããé«å¯åºŠçŒçµäœãåŸããã
ããšãããã«ã¯ç²çãå å¡«ããSiCã¯é«æž©ã«ãã
ãæ©æ¢°ç匷床ã«æ¥µããŠåªããŠãããããçŒçµäœå š
äœã®é«æž©ã«ããã匷床ã®äœäžããããããªãããš
ãªã©ã«çç®ããŠæ¬çºæãå®æãããã®ã§ããã 次ã«ãæ¬çºæã«ãããŠäœ¿çšããççŽ ãšã±ã€çŽ ã
äž»ããéªšæ Œæåãšããææ©ã±ã€çŽ é«ååååç©ã
ããªãæ·»å å€ã«ã€ããŠèª¬æããã åèšææ©ã±ã€çŽ é«ååååç©ã¯ãæ¬çºæè ãã
æ¢ã«çºæããç¹èš±åºé¡ãããã®ã§ããããã®è£œé
æ¹æ³ã¯ãç¹å ¬æ57â26527å·ãç¹å ¬æ58â38534
å·ãç¹å ¬æ57â53892å·ãç¹éæ51â149925å·ã
ç¹éæ51â149926å·ãç¹å ¬æ57â53893å·ãç¹é
æ51â147624å·ãç¹å ¬æ57â56566å·ãç¹å ¬æ58
â38535å·åã³ç¹é¡æ50â107371å·ã®æ现æžã«è©³
现ã«èª¬æãããŠããçºæã«åºãããã®ã§ããã æ¬çºæã«çšããã±ã€çŽ ãšççŽ ãšãäž»ãªéªšæ Œæå
ãšããææ©ã±ã€çŽ é«ååååç©ã®åºçºåæãšããŠ
䜿çšããããšã®ã§ããææ©ã±ã€çŽ ååç©ã¯äžèš(1)
ã(9)ã®ååŒã«åé¡ããããã®ããéžã°ããäœãã
ïŒçš®ãŸãã¯ïŒçš®ä»¥äžãããªããã®ã§ããã (1) Siâçµåã®ã¿ããµããææ©ã±ã€çŽ ååç©ã·
ã©çåæ°ŽçŽ ïŒSilahydrocarbonïŒãšãã°ãã
R4SiïŒR3SiïŒRâ²SiRïŒoRâ²SiR2ãªã©ãšãã®ççŽ â
å®èœæ§èªå°äœãããã«å±ããã äŸ ïŒCH3ïŒ4SiïŒïŒCH2ïŒCHïŒ4SiïŒïŒCH3ïŒ3SiCâ¡
CSiïŒCH3ïŒ3ïŒïŒCH2ïŒ5SiïŒCH2ïŒ4ïŒ
ïŒC2H5ïŒ3SiCH2CH2ClïŒïŒC6H5ïŒ3SiCO2HïŒ
ãåŒã
ãåŒã
ãåŒã
ãåŒã
(2) Siâçµåã®ã»ãã«Siâçµåããµããææ©
ã±ã€çŽ ååç©ã¢ãâïŒãžâïŒããã³ããªãªã«ã¬
ãã·ã©ã³ãªã©ãããã«å±ããã äŸ ïŒC2H5ïŒ2SiH2ïŒïŒCH2ïŒ5SiH2ïŒ
ïŒCH3ïŒ3SiCH2SiïŒCH3ïŒ2HïŒClCH2SiH3ïŒ
ã±ã€çŽ ååç©ã¢ãâïŒãžâïŒããã³ããªãªã«ã¬
ãã·ã©ã³ãªã©ãããã«å±ããã äŸ ïŒC2H5ïŒ2SiH2ïŒïŒCH2ïŒ5SiH2ïŒ
ïŒCH3ïŒ3SiCH2SiïŒCH3ïŒ2HïŒClCH2SiH3ïŒ
ãåŒã
ãåŒã
(3) SiâHalçµåãæããææ©ã±ã€çŽ ååç©ã¢ã
ã·ã©ã³ãé€ããªã«ã¬ãããã²ã³ã·ã©ã³ã§ããã äŸ CH2ïŒCHSiF3ïŒC2H5SiHCl2ïŒïŒCH3ïŒ2
ïŒClCH2ïŒSiSiïŒCH3ïŒ2ClïŒïŒC6H5ïŒ3SiBrïŒ (4) SiâORïŒïŒ²ïŒã¢ã«ãã«ãã¢ãªãŒã«ïŒçµåã
æããææ©ã±ã€çŽ ååç©ïŒãªã«ã¬ãã¢ã«ã³ãã·
ïŒãŸãã¯ã¢ããã·ïŒã·ã©ã³ã§ããã äŸ ïŒCH3ïŒ2SiïŒOC2H5ïŒ2ïŒC2H5SiCl2
ïŒOC2H5ïŒïŒïœâClC6H4OSiïŒCH3ïŒ3ïŒ (5) SiâOHçµåãæããææ©ã±ã€çŽ ååç©ãªã«
ã¬ãã·ã©ããŒã«é¡ äŸ ïŒC2H5ïŒ3SiOHïŒïŒCH3ïŒ2SiïŒOHïŒ2ïŒC6H5Si
ïŒOHïŒ3ïŒïŒHOïŒïŒCH3ïŒ2SiCH2SiïŒCH3ïŒ2ã»
ïŒOHïŒïŒ (6) SiâSiçµåããµããææ©ã±ã€çŽ ååç© äŸ ïŒCH3ïŒ3SiSiïŒCH3ïŒ2ClïŒïŒCH3ïŒ3SiSi
ïŒCH3ïŒ3ïŒïŒC6H5ïŒ3SiSiïŒC6H5ïŒ2SiïŒC6H5ïŒ2ClïŒ
ã·ã©ã³ãé€ããªã«ã¬ãããã²ã³ã·ã©ã³ã§ããã äŸ CH2ïŒCHSiF3ïŒC2H5SiHCl2ïŒïŒCH3ïŒ2
ïŒClCH2ïŒSiSiïŒCH3ïŒ2ClïŒïŒC6H5ïŒ3SiBrïŒ (4) SiâORïŒïŒ²ïŒã¢ã«ãã«ãã¢ãªãŒã«ïŒçµåã
æããææ©ã±ã€çŽ ååç©ïŒãªã«ã¬ãã¢ã«ã³ãã·
ïŒãŸãã¯ã¢ããã·ïŒã·ã©ã³ã§ããã äŸ ïŒCH3ïŒ2SiïŒOC2H5ïŒ2ïŒC2H5SiCl2
ïŒOC2H5ïŒïŒïœâClC6H4OSiïŒCH3ïŒ3ïŒ (5) SiâOHçµåãæããææ©ã±ã€çŽ ååç©ãªã«
ã¬ãã·ã©ããŒã«é¡ äŸ ïŒC2H5ïŒ3SiOHïŒïŒCH3ïŒ2SiïŒOHïŒ2ïŒC6H5Si
ïŒOHïŒ3ïŒïŒHOïŒïŒCH3ïŒ2SiCH2SiïŒCH3ïŒ2ã»
ïŒOHïŒïŒ (6) SiâSiçµåããµããææ©ã±ã€çŽ ååç© äŸ ïŒCH3ïŒ3SiSiïŒCH3ïŒ2ClïŒïŒCH3ïŒ3SiSi
ïŒCH3ïŒ3ïŒïŒC6H5ïŒ3SiSiïŒC6H5ïŒ2SiïŒC6H5ïŒ2ClïŒ
ãåŒã
ãåŒã
ãåŒã
(7) SiââSiçµåããµããææ©ã±ã€çŽ ååç©ãª
ã«ã¬ãã·ãããµã³ã§ããã äŸ ïŒCH3ïŒ3SiOSiïŒCH3ïŒ3ïŒHOïŒCH3ïŒ2SiOSi
ïŒCH3ïŒ2OHïŒCl2ïŒCH3ïŒSiOSiïŒCH3ïŒClOSi
ïŒCH3ïŒCl2ïŒãïŒC6H5ïŒ2SiOïŒãïŒïŒCH2ïŒïŒ£
ïŒCH3ïŒCO2CH2Siã»ïŒCH3ïŒ2CH2O2CïŒCH3ïŒïŒ
CH2
ã«ã¬ãã·ãããµã³ã§ããã äŸ ïŒCH3ïŒ3SiOSiïŒCH3ïŒ3ïŒHOïŒCH3ïŒ2SiOSi
ïŒCH3ïŒ2OHïŒCl2ïŒCH3ïŒSiOSiïŒCH3ïŒClOSi
ïŒCH3ïŒCl2ïŒãïŒC6H5ïŒ2SiOïŒãïŒïŒCH2ïŒïŒ£
ïŒCH3ïŒCO2CH2Siã»ïŒCH3ïŒ2CH2O2CïŒCH3ïŒïŒ
CH2
ãåŒã
ãåŒã
ãåŒã
(8) ææ©ã±ã€çŽ ååç©ãšã¹ãã«ïŒã·ã©ããŒã«ãšé
ž
ãšãã圢æããããšèãããããšã¹ãã«ã§ã ïŒCH3ïŒ2SiïŒOCOCH3ïŒ2ãªã©ãããã«å±ããã (9) ææ©ã±ã€çŽ ååç©éé žåç©ïŒ
ïŒCH3ïŒ3SiOOCã»ïŒCH3ïŒ3ã»ïŒCH3ïŒ3SiOOSi
ïŒCH3ïŒ3ãªã©ã äžèš(1)ã(9)ã®ååæ§é ã«ãããŠïŒ²ã¯ã¢ã«ãã«
åºãã¢ãªãŒã«åºã瀺ããŠãããåºçºåæã§ããå
èš(1)ã(9)ã®åé¡ååŒã«å±ããææ©ã±ã€çŽ ååç©ã
ãã±ã€çŽ ãšççŽ ãšãäž»ãªéªšæ Œæåãšããææ©ã±ã€
çŽ é«ååååç©ãçæãããã«ã¯ãåèš(1)ã(9)ã®
åé¡ååŒã«å±ããææ©ã±ã€çŽ ååç©ãç §å°ãå
ç±ãéçž®åçšè§Šåªæ·»å ã®å°ãªããšãïŒã€ãçšãé
çž®ååå¿ãããã äžèšã®ãããªéçž®ååå¿ã«ãã€ãŠãåèš(1)ã(9)
ã®ææ©ã±ã€çŽ ååç©ããåŸãããææ©ã±ã€çŽ é«å
åååç©ã®éªšæ Œæ§é ãäŸç€ºããã°æ¬¡ã®åŠããã®ã
ããã (ã€)
ãšãã圢æããããšèãããããšã¹ãã«ã§ã ïŒCH3ïŒ2SiïŒOCOCH3ïŒ2ãªã©ãããã«å±ããã (9) ææ©ã±ã€çŽ ååç©éé žåç©ïŒ
ïŒCH3ïŒ3SiOOCã»ïŒCH3ïŒ3ã»ïŒCH3ïŒ3SiOOSi
ïŒCH3ïŒ3ãªã©ã äžèš(1)ã(9)ã®ååæ§é ã«ãããŠïŒ²ã¯ã¢ã«ãã«
åºãã¢ãªãŒã«åºã瀺ããŠãããåºçºåæã§ããå
èš(1)ã(9)ã®åé¡ååŒã«å±ããææ©ã±ã€çŽ ååç©ã
ãã±ã€çŽ ãšççŽ ãšãäž»ãªéªšæ Œæåãšããææ©ã±ã€
çŽ é«ååååç©ãçæãããã«ã¯ãåèš(1)ã(9)ã®
åé¡ååŒã«å±ããææ©ã±ã€çŽ ååç©ãç §å°ãå
ç±ãéçž®åçšè§Šåªæ·»å ã®å°ãªããšãïŒã€ãçšãé
çž®ååå¿ãããã äžèšã®ãããªéçž®ååå¿ã«ãã€ãŠãåèš(1)ã(9)
ã®ææ©ã±ã€çŽ ååç©ããåŸãããææ©ã±ã€çŽ é«å
åååç©ã®éªšæ Œæ§é ãäŸç€ºããã°æ¬¡ã®åŠããã®ã
ããã (ã€)
ãåŒã
ïœïŒ1.ããªïŒã·ã«ã¡ãã¬ã³ã·ãããµã³ïŒ
ïœïŒ2.ããªïŒã·ã«ãšãã¬ã³ã·ãããµã³ïŒ
ïœïŒ6.ããªïŒã·ã«ããšãã¬ã³ã·ãããµã³ïŒ
(ã)
ãåŒã
ïœïŒ1.ããªïŒã¡ãã¬ã³ãªãã·ã·ãããµã³ïŒ
ïœïŒ2.ããªïŒãšãã¬ã³ãªãã·ã·ãããµã³ïŒ
ïœïŒ6.ããªïŒããšãã¬ã³ãªãã·ã·ãããµã³ïŒ
ïœïŒ12.ããª
ïŒãžããšãã¬ã³ãªãã·ã·ãããµã³ïŒ (ã)
ïŒãžããšãã¬ã³ãªãã·ã·ãããµã³ïŒ (ã)
ãåŒã
ïœïŒ1.ããªã·ã«ã¡ãã¬ã³
ïœïŒ2.ããªã·ã«ãšãã¬ã³
ïœïŒ3.ããªã·ã«ããªã¡ãã¬ã³
ïœïŒ6.ããªã·ã«ããšãã¬ã³
ïœïŒ12.ããªã·ã«ãžããšãã¬ã³
(ã) åèš(ã€)ã(ã)èšèŒã®éªšæ Œæåãéç¶ãç°ç¶ãã
ã³äžæ¬¡å æ§é ã®ãã¡å°ãªããšãäžã€ã®éšåæ§é
ãšããŠå«ããã®ããŸãã¯(ã€)(ã)(ã)ã®æ··åç©ã ãã®ããã«ããŠè£œé ãããææ©ã±ã€çŽ é«ååå
åç©ã¯ãç²çš 液ãããã¯ç²æ«ãšããŠåŸãããšãã§
ãããããããç空äžãäžæŽ»æ§ã¬ã¹ãæ°ŽçŽ ã¬ã¹ã
COã¬ã¹ãCO2ã¬ã¹ãçåæ°ŽçŽ ã¬ã¹ãææ©ã±ã€çŽ
ååç©ã¬ã¹ã®ãã¡ããéžã°ããäœããïŒçš®ä»¥äžã®
é°å²æ°äžã§ã800â以äžã®å ç±æž©åºŠã§çŒæããã
ãšã«ãããäž»æåããSiCãš0.01ééïŒ ä»¥äžã®é
é¢ççŽ ãšã«è»¢æã§ããã ãã®éé¢ççŽ ã®å«æéã¯ãææ©ã±ã€çŽ é«ååå
åç©ã®çŒæ枩床ãçŒææéãçŒæé°å²æ°ãªã©ã®çŒ
ææ¡ä»¶ã«ãã€ãŠç°ãªããããã®åŸ®éã®éé¢ççŽ ã¯
ããèªäœãããããã¯ãã®éé¢ççŽ ãã»ã©ããã¯
ã¹ã®åºå°ãšé«æž©ã«ãããŠåå¿ãå±éšçã«çåç©ã
çæããå Žåã«ã¯ãã®çåç©ããæ¡æ£ãåå¿ã«ã
ãåºå°ã»ã©ããã¯ã¹ç²ååå¿ãå¯çããããåã
ãããäžã«ãåºå°ã»ã©ããã¯ã¹ã®ç²åã®ã¿ãããª
ãç²å€§ç²æé·ãé²æ¢ããåããããã®ã§ãç²å ã®
空åã®éãæå°éã«æããããšãã§ããé«å¯åºŠãª
çŒçµäœãåŸãããã«æå©ãªå¹æãããããããã®
ãããªéé¢ççŽ ã®åãã«ãããçŒçµäœäžã®ç²åã®
ç²å€§æé·ãææ¢ããããšãã§ããããšãæ¬çºæã®
ç¹åŸŽã®äžã€ã§ããã æ¬çºæã«ãããŠã¯ãå¿ èŠã«ãã以äžã«è¿°ã¹ãã
ããªææ©éå±ååç©ãåèš(1)ã(9)ã®ææ©ã±ã€çŽ å
åç©ã«0.1ã20ééïŒ æ·»å ããŠãéçž®åãããŠã
å«éå±ææ©ã±ã€çŽ é«ååååç©ãšãªãããããã
ã€ãŠãæ·»å å€ãšããããšãã§ãããåèšææ©éå±
ååç©ãšããŠã¯æ¬¡ã®ç¬¬ïŒè¡šã«ç€ºããããªãã®ãæ
å©ã«äœ¿çšããããšãã§ããã
ã³äžæ¬¡å æ§é ã®ãã¡å°ãªããšãäžã€ã®éšåæ§é
ãšããŠå«ããã®ããŸãã¯(ã€)(ã)(ã)ã®æ··åç©ã ãã®ããã«ããŠè£œé ãããææ©ã±ã€çŽ é«ååå
åç©ã¯ãç²çš 液ãããã¯ç²æ«ãšããŠåŸãããšãã§
ãããããããç空äžãäžæŽ»æ§ã¬ã¹ãæ°ŽçŽ ã¬ã¹ã
COã¬ã¹ãCO2ã¬ã¹ãçåæ°ŽçŽ ã¬ã¹ãææ©ã±ã€çŽ
ååç©ã¬ã¹ã®ãã¡ããéžã°ããäœããïŒçš®ä»¥äžã®
é°å²æ°äžã§ã800â以äžã®å ç±æž©åºŠã§çŒæããã
ãšã«ãããäž»æåããSiCãš0.01ééïŒ ä»¥äžã®é
é¢ççŽ ãšã«è»¢æã§ããã ãã®éé¢ççŽ ã®å«æéã¯ãææ©ã±ã€çŽ é«ååå
åç©ã®çŒæ枩床ãçŒææéãçŒæé°å²æ°ãªã©ã®çŒ
ææ¡ä»¶ã«ãã€ãŠç°ãªããããã®åŸ®éã®éé¢ççŽ ã¯
ããèªäœãããããã¯ãã®éé¢ççŽ ãã»ã©ããã¯
ã¹ã®åºå°ãšé«æž©ã«ãããŠåå¿ãå±éšçã«çåç©ã
çæããå Žåã«ã¯ãã®çåç©ããæ¡æ£ãåå¿ã«ã
ãåºå°ã»ã©ããã¯ã¹ç²ååå¿ãå¯çããããåã
ãããäžã«ãåºå°ã»ã©ããã¯ã¹ã®ç²åã®ã¿ãããª
ãç²å€§ç²æé·ãé²æ¢ããåããããã®ã§ãç²å ã®
空åã®éãæå°éã«æããããšãã§ããé«å¯åºŠãª
çŒçµäœãåŸãããã«æå©ãªå¹æãããããããã®
ãããªéé¢ççŽ ã®åãã«ãããçŒçµäœäžã®ç²åã®
ç²å€§æé·ãææ¢ããããšãã§ããããšãæ¬çºæã®
ç¹åŸŽã®äžã€ã§ããã æ¬çºæã«ãããŠã¯ãå¿ èŠã«ãã以äžã«è¿°ã¹ãã
ããªææ©éå±ååç©ãåèš(1)ã(9)ã®ææ©ã±ã€çŽ å
åç©ã«0.1ã20ééïŒ æ·»å ããŠãéçž®åãããŠã
å«éå±ææ©ã±ã€çŽ é«ååååç©ãšãªãããããã
ã€ãŠãæ·»å å€ãšããããšãã§ãããåèšææ©éå±
ååç©ãšããŠã¯æ¬¡ã®ç¬¬ïŒè¡šã«ç€ºããããªãã®ãæ
å©ã«äœ¿çšããããšãã§ããã
ãè¡šã
åèšææ©éå±ååç©ã0.1ã20ééïŒ
åèš(1)ã
(9)ã®ææ©ã±ã€çŽ ååç©ã«æ··åããã®ã¡ãéçž®åå
å¿ã«ãããåçš®ã®éå±å çŽ ãéªšæ Œã«å«ãææ©ã±ã€
çŽ é«ååååç©ã補é ããããšãã§ãããåèšé
å±å çŽ ãéªšæ Œã«å«ãææ©ã±ã€çŽ é«ååååç©ãåº
å°ã»ã©ããã¯ã¹ã«æ·»å ããŠå å§æ圢ãçŒçµãã
ãšãSiCã®çæãšå ±ã«ãéªšæ Œäžã®éå±å çŽ ãéå±
çåç©ã«è»¢æãããåŸã€ãŠãäŸãã°ã»ã©ããã¯ã¹
ãæ§æããéå±å çŽ ãšåçš®ã®éå±å çŽ ãå«ãææ©
ã±ã€çŽ é«ååååç©ãæ·»å å€ãšããŠäœ¿çšããã°ã
å ç±ã«ããåèšéå±çåç©ãšã»ã©ããã¯ã¹äžã®é
å±å çŽ ãæ¡æ£ãããã¯åå¿ããŠãéå±çåç©ãä»
ããã»ã©ããã¯ã¹ç²äœéã®åŒ·åºå¯çãªãçµåãã
ãããäžã«ãã»ã©ããã¯ã¹ç²äœèªèº«ã®ã¿ã§ç²å€§ç²
æé·ããããšãé²æ¢ãã圹å²ããæããããç²å
空åã®æ®ã©ãªããç²çã®å 填床ã®é«ãçš å¯ãªçŒçµ
æ圢äœãåŸãããšãã§ããã®ã§æå©ã§ããã 以äžè¿°ã¹ããããªççŽ ãšã±ã€çŽ ãäž»ããéªšæ Œæ
åãšããææ©ã±ã€çŽ é«ååååç©ãããã¯å¿ èŠã«
ããéå±å çŽ ãå«æããææ©ã±ã€çŽ ååç©ã¯ãåº
çºåæã®éçž®ååå¿ã«ãã€ãŠãåºäœãããã¯ç²çš
液ãšããŠåŸããããã®åºäœãããã¯ç²çš 液ãæ·»å
å€ãšããŠçšããã«ã¯ãã®ãŸãŸãããã¯å¿ èŠã«å¿ã
ãŠãããããå¯æº¶ãã溶å€äŸãã°ãã³ãŒã³ããã«
ãšã³ããã·ã¬ã³ããããµã³ããšãŒãã«ãããã©ã
ãããã©ã³ããžãªããµã³ãã¯ãããã«ã ãã¡ãã¬
ã³ã¯ããªããç³æ²¹ãšãŒãã«ãç³æ²¹ãã³ãžã³ããªã°
ãã€ã³ãããã³ãDMSOãDMFããã®ä»ææ©ã±
ã€çŽ é«ååååç©ãå¯æº¶ãã溶åªãçšããŠãç²çš
ãªæ¶²ç¶æ·»å å€ãšãªããåºå°ã»ã©ããã¯ã¹ç²æ«ã«æ··
åããããšãã§ããããã ããéçž®ååå¿ã«ãã€
ãŠåŸãããææ©ã±ã€çŽ é«ååååç©ããæ¯èŒçäœ
ãå ç±æž©åºŠã§æº¶èãããããªåºäœãããã¯ãã®ãŸ
ãŸæ··åã§ãããããªç²çš 液ã§ããå Žåã¯ãäžèšã®
ãããªæº¶åªã䜿çšããã«åã°ãªãã 次ã«ãåèšææ©ã±ã€çŽ é«ååååç©ãæ·»å å€ãš
ããŠãå ç±å·¥çšã§äž»ãšããŠSiCã«è»¢æãé«å¯åºŠå
ãå®çŸããéçšã詳ãã説æãããšãæ·»å ããã
ææ©ã±ã€çŽ é«ååååç©ã¯ãå ç±ã«ããç±å解
ããäœåã®ççŽ ãæ°ŽçŽ ãã±ã€çŽ ãå«ãææ©ç©ã¯æ®
çºæåãšããŠæ®æ£ããæ®åããççŽ ãšã±ã€çŽ ã¯çŽ
800â以äžã§ååããŠåŸã ã«SiCã圢æããã»ã©
ããã¯ã¹ã®ç²æ«ç²åã®ééãå å¡«ããããã«ãª
ããããã«æž©åºŠãäžæããŠ1250â以äžã«ãªããšã
æ·»å å€ã®æ®åçæç©ã¯ã»ãŒå®å šã«SiCãšãªãç²ç
ãå ããããã®SiCã圢æããéã«ãã»ã©ããã¯
ã¹ç²åã¯äžèšæ®çºæåã®åãã«ãããæ¯èŒçäœã
枩床ããèªå·±çŒçµãå§ãç²æé·ããããç²çã«åœ¢
æãå§ããSiCã埮éã®éé¢ççŽ ã«ãããã»ã©ã
ãã¯ã¹ç²ååå¿ãç²å€§ç²æé·ããããšã¯æå¶ãã
ããããã«ãå ç±å·¥çšã§çµæ¶ç²çã«ãããŠåœ¢æã
ãSiCã®çµæ¶ç²åã®å€§ããã¯éåžž30ã70â«ãšãã
極ããŠåŸ®ç²åããæããã€ãŠããããç²çã«ãã
ãSiCã®å å¡«çã¯ãéåžžã«å€§ãããªãã®ã§ãçŒçµ
äœå šäœãšããŠã®é«å¯åºŠåã«æ¥µããŠæå©ã§ããããŸ
ããç²çãå ããSiCã¯ãé«æž©æ©æ¢°ç匷床ãèé ž
åæ§ãèé£æ§ãèç±è¡ææ§ã«æ¥µããŠåªããŠããã
æ¯èŒçåå¿æ§ã«ä¹ããæ§è³ªãæããŠããã®ã§ãçŒ
çµäœå šäœã«ããããã®åªããæ§è³ªãåæ ãããã
ãæ¬çºæã«ãããŠçšããææ©ã±ã€çŽ é«ååååç©
ã¯å®çšäžæ¥µããŠæå©ãªæ·»å å€ã§ããã以äžè¿°ã¹ã
ããã«ãæ¬çºæè ããå ã«çºæããææ©ã±ã€çŽ é«
ååååç©ãèç±ã»ã©ããã¯ã¹çŒçµæ圢äœã補é
ããããã®åªããæ·»å å€ã§ããããšãæ°èŠã«ç¥èŠ
ããŠãæ¬çºæãå®æããã«è³ã€ããã®ã§ããã æ¬çºæã«ãããŠã¯ãåèšæ·»å å€ãã»ã©ããã¯ã¹
ç²æ«ã«å¯ŸããŠéåžž0.05ã20ééïŒ ã®ç¯å²ã§æ·»å ã
æ··æããããã®æ·»å éã¯åŸè¿°ããããã«å å§çŒçµ
ããæ¹æ³ã«ãã€ãŠç°ããã0.05ïŒ ããæ·»å éãå°
ãªããšé«å¯åºŠã»é«åŒ·åºŠãªçŒçµäœãåŸé£ãã20ïŒ ã
ãå€ãæ·»å ãããšç²çéšåãå ããäž»ãšããŠSiC
ãããªãçžã®å²åãããªã倧ãããªãã®ã§ãé«å¯
床åãéæããé£ããªãäžã«ãåºå°ã»ã©ããã¯ã¹
ã®ç¹æ§ãçãããçŒçµäœãšã¯ãªãé£ãã®ã§æ·»å é
ã¯éåžž0.05ã20ééïŒ ãšããããšãå¿ èŠã§ããã
次ã«ãçŒçµãè¡ãªãæ¹æ³ãšããŠã¯ã倧å¥ããŠãå
å§æ圢äœã補é ããåŸå ç±çŒçµããåžžå§äžããã
ã¯æžå§äžã§ã®çŒçµæ³ãŸãã¯å å§ãšçŒçµãåæã«è¡
ãªãããããã¬ã¹æ³ã䜿çšããããšãã§ãããå
èšå å§æ圢äœã¯ãéåãã¬ã¹ïŒã©ããŒãã¬ã¹ïŒæŒ
åºããªã©ã®æ圢æ¹æ³ã«ãããã»ã©ããã¯ã¹ç²äœãš
æ·»å å€ãšã®æ··åç©ã100ã5000KgïŒcm2ã®å§åã§å
å§ããæå®ã®åœ¢ç¶ã®ãã®ãåŸãããšãã§ããæ¬çº
æã«ãããŠã¯åžžå§ããã³æžå§äžã§ã®çŒçµãè¡ãªã
å Žåã¯ãææ©ã±ã€çŽ é«ååååç©ãããªãæ·»å å€
ã®æ··åéã¯åºå°ã»ã©ããã¯ã¹ã®çš®é¡ã«ãã€ãŠç°ã
ããæŠããŠïŒã10ééïŒ ã®ç¯å²å ã§æãå¯åºŠã®é«
ãçŒçµäœãåŸãããšãã§ããããŸããããããã¬
ã¹æ³ã§çŒçµãè¡ãªãå Žåã¯ãé»éïŒã¢ã«ããïŒçª
åç¡ŒçŽ ãªã©ãããªãæŒåã®ãã¡ãã倫ã ã®ã»ã©ã
ãã¯ã¹åºå°ãšåå¿ãèµ·ãããªããã®ãéžã³ã100
ã5000KgïŒcm2ã®å§åã§ãã»ã©ããã¯ã¹ç²äœãšæ·»å
å€ãšã®æ··åç©ãæŒããªããåæã«å ç±ãçŒçµäœãš
ããããšãã§ããæ¬çºæã«ãããŠã¯åèšæ·»å å€ã®
å«æéã¯0.1ãïŒééïŒ ã®ç¯å²ã§æãå¯åºŠã®é«ã
çŒçµäœãåŸãããšãã§ããã次ã«ãåžžå§ããã³æž
å§äžã®çŒçµæ³ãããã¯ããããã¬ã¹çŒçµæ³ã«ãã
ãå ç±é°å²æ°ããã³å ç±æž©åºŠã«ã€ããŠä»¥äžã«è¿°ã¹
ããšãæ¬çºæã«ãããŠè£œé ãããäžèšçŒçµæ圢äœ
ã¯ãç空äžãäžæŽ»æ§ã¬ã¹ãCOã¬ã¹ãæ°ŽçŽ ã¬ã¹ã®
ãã¡ããéžã°ããããããäžçš®ä»¥äžã®é°å²æ°äžã§
1000âãã2000âãŸã§ã®æž©åºŠç¯å²ã§å ç±ããããš
ã«ããåŸãããšãã§ãããåèšå ç±ãé žåæ§é°å²
æ°äžã§è¡ãªããšæ·»å å€ãé žåãããŠäž»ãšããŠ
SiO2ãšãªãããé«æž©åŒ·åºŠã®é«ãçŒçµäœãåŸé£ã
ãªãããåèšæ·»å å€ã§ããææ©ã±ã€çŽ é«åååå
ç©ã¯éé žåæ§é°å²æ°äžçŽ1000âã®å ç±ã§ã»ãŒSiC
ã«è»¢æããã®ã§ãäºã1000âååŸãŸã§éé žåæ§é°
å²æ°äžã§å ç±ããåŸã§ããã°åŸ®éã®é žåæ§é°å²æ°
ãæ··åšããé°å²æ°äžã§1000â以äžã«å ç±ããŠãå·®
ãã€ãããªãããã ããäžèšã®é°å²æ°ããã³å ç±
枩床ã¯ãåºå°ã»ã©ããã¯ã¹ã®å€è³ªããããããªã
ãããªæ¡ä»¶ã®äžã§è¡ãªãããšãæå©ã§ãããäŸã
ã°ã»ã©ããã¯ã¹ã®èç¹ãæ®çºç¹ä»¥äžã®å ç±æž©åºŠã
ã»ã©ããã¯ã¹ãšã®åå¿ããããããªããããªé°å²
æ°ãªã©ãéžæããããšãæå©ã§ãããããã«ãäž
èšå ç±æž©åºŠã¯ãåŸæ¥ã®ã»ã©ããã¯ã¹çŒçµäœãçŒçµ
ãã枩床ããäœã1000ã1600âã®ç¯å²ã奜é©ã§ã
ãããã®çç±ã¯åè¿°ããããã«ææ©ã±ã€çŽ é«åå
ååç©ãSiCã«è»¢æããéçšã§ãã»ã©ããã¯ã¹ç²
åã®èªå·±çŒçµæ§ãåäžãããã®ã§ãåŸæ¥ã®ã»ã©ã
ãã¯ã¹ã®çŒçµæž©åºŠãããäœããŠãå åçŒçµã§ãã
äžã«ãç²çãå ããSiCã¯1600â以äžã«å ç±ãã
ãŠããæ®ã©æå©ãªå€åãçããªãããçŒçµäœå šäœ
ã®å¯åºŠã¯ã»ãŒçè«å¯åºŠã«éããããã1600â以äž
ã®å ç±ã¯éåžžã¯å¿ ãããå¿ èŠãšããªãã ããããŠåŸãããçŒçµæ圢äœã«äžèšã®åŠãåŠç
ãæœãããšã«ãããããã«é«å¯åºŠã®çŒçµæ圢äœã
åŸãããšãã§ãããåèšçŒçµæ圢äœã«ã10mmHg
以äžã®æžå§äžã«ãããŠæ¶²ç¶ã®åèšææ©ã±ã€çŽ é«å
åååç©ãå«æµžãããå¿ èŠã«ããå å§ããŠåèšå«
浞ã®åºŠåãé«ããåŸãç空äžãäžæŽ»æ§ã¬ã¹ãæ°ŽçŽ
ã¬ã¹ãCOã¬ã¹ã®ãã¡ããéžã°ããããããå°ã
ãšãïŒçš®ã®é°å²æ°äžã§1000âã2000âã®æž©åºŠç¯å²
ã§å ç±ããäžé£ã®åŠçãå°ãªããšãïŒåæœãããš
ã«ãã€ãŠãããé«å¯åºŠãªçŒçµæ圢äœãšããããšã
ã§ãããåèšå«æµžãããææ©ã±ã€çŽ é«ååååç©
ã¯æ¶²ç¶ã®ãã®ãå¿ èŠã§ããããããããã®ååç©
ã宀枩ãããã¯æ¯èŒçäœãå ç±æž©åºŠã§æ¶²ç¶ã§åŸã
ããå Žåã¯ãã®ãŸãŸã®ãã®ãããããã¯å¿ èŠã«ã
ããç²æ§ãäžããããå°éã®ãã³ãŒã³ããã«ãš
ã³ããã·ã¬ã³ããããµã³ããšãŒãã«ãããã©ãã
ããã©ã³ããžãªããµã³ãã¯ãããã«ã ãã¡ãã¬ã³
ã¯ããªããç³æ²¹ãšãŒãã«ãç³æ²¹ãã³ãžã³ããªã°ã
ã€ã³ãããã³ãDMSOãDMFããã®ä»ææ©ã±ã€
çŽ é«ååååç©ãå¯æº¶ãã溶åªãçšããŠæº¶è§£ãã
ãã®ã䜿çšããããšãã§ãããåèšäžé£ã®åŠçã¯
å°ããšãïŒå以äžç¹°ãè¿ãæœãããšã«ãããéåžž
ã®çŒçµæž©åºŠããæ¯èŒçäœã枩床ã§çŒçµããŠããå
åé«å¯åºŠãªçŒçµæ圢äœãåŸãããšãã§ããã ããã«ãåèšçŒçµæ圢äœã«ã¯æ·»å å€ããçæã
ãéé¢ççŽ ãå«ãŸããŠããããšãããããã®éé¢
ççŽ ã¯é žåæ§é°å²æ°ã§å¥œé©ã«ã¯600ã1400âã®æž©
床ç¯å²ã§çŒæããããªãããšã«ããé€å»ããããš
ãã§ãããåèšçŒæã600â以äžã®æž©åºŠã§è¡ã€ãŠ
ãççŽ ãé€ãããšã¯ã§ããã1400âãè¶ ãããšçŒ
çµæ圢äœäžã®éé žåç©ç³»ç©è³ªã®é žååå¿ãåŸã ã«
èµ·ãå§ããããã«ãã®æž©åºŠä»¥äžã§éé¢ççŽ ãé€ã
ã®ã¯å¥œãŸãããªããåèšé žåæ§é°å²æ°äžã§ã®çŒæ
ã®æéã¯æ¯èŒçäœã枩床ã§é·æéçŒæããæ¹ãé ž
åç©ã®çæãå°ãªãã®ã§ã©ã¡ãããšãããšè¯ãçµ
æãåŸãããäŸãã°æ¬çºæã®æ¹æ³ã«ãã€ãŠè£œé ã
ãSiCã«ããã1000âã®ç©ºæ°äžã§çŒæããŠéé¢ç
çŽ ãé€å»ããå Žåã«ã¯0.1ãïŒæéãé©åœã§ã
ãã 次ã«ãæ¬çºæã«ãããŠçŒçµåºå°ãšããŠäœ¿çšãã
ããšã®ã§ããã»ã©ããã¯ã¹ç²æ«ã¯ãã§ããã ãçŽ
床ãé«ããããã埮ç²æ«ç¶ã®ãã®ãçšããããš
ããé«å¯åºŠã§é«åŒ·åºŠãªçŒçµæ圢äœãåŸãããšãã§
ããã®ã§æå©ã§ãããäžèšç¬¬ïŒè¡šã«ãæ¬çºæã«ã
ããŠäœ¿çšããããšã®ã§ããèç±ã»ã©ããã¯ã¹ã®ã
ãããã®ä»£è¡šçãªåäœååç©ã瀺ããæ¬çºæã«ã
ããŠã¯ã第ïŒè¡šã«ç€ºããåäœååç©ã®ã¿ãªããã
ããããšç°ãçµææ¯ãæããåäœååç©ãããã
ãè€åããŠæ§æãããäŸãã°Al2O3ã»MgOã
B4Cã»TiB2ã®ãããªè€åååç©ãTiO1±Xãªã©ã®
ãããªéååŠéè«ççµæãæããã»ã©ããã¯ã¹ã
ããã«ã¯åŸ®éã®éå±çžãå«æããã»ã©ããã¯ã¹ç
ã«ã€ããŠãåæ§ã«çŒçµåºå°ãšããŠäœ¿çšããããšã
ã§ããã
(9)ã®ææ©ã±ã€çŽ ååç©ã«æ··åããã®ã¡ãéçž®åå
å¿ã«ãããåçš®ã®éå±å çŽ ãéªšæ Œã«å«ãææ©ã±ã€
çŽ é«ååååç©ã補é ããããšãã§ãããåèšé
å±å çŽ ãéªšæ Œã«å«ãææ©ã±ã€çŽ é«ååååç©ãåº
å°ã»ã©ããã¯ã¹ã«æ·»å ããŠå å§æ圢ãçŒçµãã
ãšãSiCã®çæãšå ±ã«ãéªšæ Œäžã®éå±å çŽ ãéå±
çåç©ã«è»¢æãããåŸã€ãŠãäŸãã°ã»ã©ããã¯ã¹
ãæ§æããéå±å çŽ ãšåçš®ã®éå±å çŽ ãå«ãææ©
ã±ã€çŽ é«ååååç©ãæ·»å å€ãšããŠäœ¿çšããã°ã
å ç±ã«ããåèšéå±çåç©ãšã»ã©ããã¯ã¹äžã®é
å±å çŽ ãæ¡æ£ãããã¯åå¿ããŠãéå±çåç©ãä»
ããã»ã©ããã¯ã¹ç²äœéã®åŒ·åºå¯çãªãçµåãã
ãããäžã«ãã»ã©ããã¯ã¹ç²äœèªèº«ã®ã¿ã§ç²å€§ç²
æé·ããããšãé²æ¢ãã圹å²ããæããããç²å
空åã®æ®ã©ãªããç²çã®å 填床ã®é«ãçš å¯ãªçŒçµ
æ圢äœãåŸãããšãã§ããã®ã§æå©ã§ããã 以äžè¿°ã¹ããããªççŽ ãšã±ã€çŽ ãäž»ããéªšæ Œæ
åãšããææ©ã±ã€çŽ é«ååååç©ãããã¯å¿ èŠã«
ããéå±å çŽ ãå«æããææ©ã±ã€çŽ ååç©ã¯ãåº
çºåæã®éçž®ååå¿ã«ãã€ãŠãåºäœãããã¯ç²çš
液ãšããŠåŸããããã®åºäœãããã¯ç²çš 液ãæ·»å
å€ãšããŠçšããã«ã¯ãã®ãŸãŸãããã¯å¿ èŠã«å¿ã
ãŠãããããå¯æº¶ãã溶å€äŸãã°ãã³ãŒã³ããã«
ãšã³ããã·ã¬ã³ããããµã³ããšãŒãã«ãããã©ã
ãããã©ã³ããžãªããµã³ãã¯ãããã«ã ãã¡ãã¬
ã³ã¯ããªããç³æ²¹ãšãŒãã«ãç³æ²¹ãã³ãžã³ããªã°
ãã€ã³ãããã³ãDMSOãDMFããã®ä»ææ©ã±
ã€çŽ é«ååååç©ãå¯æº¶ãã溶åªãçšããŠãç²çš
ãªæ¶²ç¶æ·»å å€ãšãªããåºå°ã»ã©ããã¯ã¹ç²æ«ã«æ··
åããããšãã§ããããã ããéçž®ååå¿ã«ãã€
ãŠåŸãããææ©ã±ã€çŽ é«ååååç©ããæ¯èŒçäœ
ãå ç±æž©åºŠã§æº¶èãããããªåºäœãããã¯ãã®ãŸ
ãŸæ··åã§ãããããªç²çš 液ã§ããå Žåã¯ãäžèšã®
ãããªæº¶åªã䜿çšããã«åã°ãªãã 次ã«ãåèšææ©ã±ã€çŽ é«ååååç©ãæ·»å å€ãš
ããŠãå ç±å·¥çšã§äž»ãšããŠSiCã«è»¢æãé«å¯åºŠå
ãå®çŸããéçšã詳ãã説æãããšãæ·»å ããã
ææ©ã±ã€çŽ é«ååååç©ã¯ãå ç±ã«ããç±å解
ããäœåã®ççŽ ãæ°ŽçŽ ãã±ã€çŽ ãå«ãææ©ç©ã¯æ®
çºæåãšããŠæ®æ£ããæ®åããççŽ ãšã±ã€çŽ ã¯çŽ
800â以äžã§ååããŠåŸã ã«SiCã圢æããã»ã©
ããã¯ã¹ã®ç²æ«ç²åã®ééãå å¡«ããããã«ãª
ããããã«æž©åºŠãäžæããŠ1250â以äžã«ãªããšã
æ·»å å€ã®æ®åçæç©ã¯ã»ãŒå®å šã«SiCãšãªãç²ç
ãå ããããã®SiCã圢æããéã«ãã»ã©ããã¯
ã¹ç²åã¯äžèšæ®çºæåã®åãã«ãããæ¯èŒçäœã
枩床ããèªå·±çŒçµãå§ãç²æé·ããããç²çã«åœ¢
æãå§ããSiCã埮éã®éé¢ççŽ ã«ãããã»ã©ã
ãã¯ã¹ç²ååå¿ãç²å€§ç²æé·ããããšã¯æå¶ãã
ããããã«ãå ç±å·¥çšã§çµæ¶ç²çã«ãããŠåœ¢æã
ãSiCã®çµæ¶ç²åã®å€§ããã¯éåžž30ã70â«ãšãã
極ããŠåŸ®ç²åããæããã€ãŠããããç²çã«ãã
ãSiCã®å å¡«çã¯ãéåžžã«å€§ãããªãã®ã§ãçŒçµ
äœå šäœãšããŠã®é«å¯åºŠåã«æ¥µããŠæå©ã§ããããŸ
ããç²çãå ããSiCã¯ãé«æž©æ©æ¢°ç匷床ãèé ž
åæ§ãèé£æ§ãèç±è¡ææ§ã«æ¥µããŠåªããŠããã
æ¯èŒçåå¿æ§ã«ä¹ããæ§è³ªãæããŠããã®ã§ãçŒ
çµäœå šäœã«ããããã®åªããæ§è³ªãåæ ãããã
ãæ¬çºæã«ãããŠçšããææ©ã±ã€çŽ é«ååååç©
ã¯å®çšäžæ¥µããŠæå©ãªæ·»å å€ã§ããã以äžè¿°ã¹ã
ããã«ãæ¬çºæè ããå ã«çºæããææ©ã±ã€çŽ é«
ååååç©ãèç±ã»ã©ããã¯ã¹çŒçµæ圢äœã補é
ããããã®åªããæ·»å å€ã§ããããšãæ°èŠã«ç¥èŠ
ããŠãæ¬çºæãå®æããã«è³ã€ããã®ã§ããã æ¬çºæã«ãããŠã¯ãåèšæ·»å å€ãã»ã©ããã¯ã¹
ç²æ«ã«å¯ŸããŠéåžž0.05ã20ééïŒ ã®ç¯å²ã§æ·»å ã
æ··æããããã®æ·»å éã¯åŸè¿°ããããã«å å§çŒçµ
ããæ¹æ³ã«ãã€ãŠç°ããã0.05ïŒ ããæ·»å éãå°
ãªããšé«å¯åºŠã»é«åŒ·åºŠãªçŒçµäœãåŸé£ãã20ïŒ ã
ãå€ãæ·»å ãããšç²çéšåãå ããäž»ãšããŠSiC
ãããªãçžã®å²åãããªã倧ãããªãã®ã§ãé«å¯
床åãéæããé£ããªãäžã«ãåºå°ã»ã©ããã¯ã¹
ã®ç¹æ§ãçãããçŒçµäœãšã¯ãªãé£ãã®ã§æ·»å é
ã¯éåžž0.05ã20ééïŒ ãšããããšãå¿ èŠã§ããã
次ã«ãçŒçµãè¡ãªãæ¹æ³ãšããŠã¯ã倧å¥ããŠãå
å§æ圢äœã補é ããåŸå ç±çŒçµããåžžå§äžããã
ã¯æžå§äžã§ã®çŒçµæ³ãŸãã¯å å§ãšçŒçµãåæã«è¡
ãªãããããã¬ã¹æ³ã䜿çšããããšãã§ãããå
èšå å§æ圢äœã¯ãéåãã¬ã¹ïŒã©ããŒãã¬ã¹ïŒæŒ
åºããªã©ã®æ圢æ¹æ³ã«ãããã»ã©ããã¯ã¹ç²äœãš
æ·»å å€ãšã®æ··åç©ã100ã5000KgïŒcm2ã®å§åã§å
å§ããæå®ã®åœ¢ç¶ã®ãã®ãåŸãããšãã§ããæ¬çº
æã«ãããŠã¯åžžå§ããã³æžå§äžã§ã®çŒçµãè¡ãªã
å Žåã¯ãææ©ã±ã€çŽ é«ååååç©ãããªãæ·»å å€
ã®æ··åéã¯åºå°ã»ã©ããã¯ã¹ã®çš®é¡ã«ãã€ãŠç°ã
ããæŠããŠïŒã10ééïŒ ã®ç¯å²å ã§æãå¯åºŠã®é«
ãçŒçµäœãåŸãããšãã§ããããŸããããããã¬
ã¹æ³ã§çŒçµãè¡ãªãå Žåã¯ãé»éïŒã¢ã«ããïŒçª
åç¡ŒçŽ ãªã©ãããªãæŒåã®ãã¡ãã倫ã ã®ã»ã©ã
ãã¯ã¹åºå°ãšåå¿ãèµ·ãããªããã®ãéžã³ã100
ã5000KgïŒcm2ã®å§åã§ãã»ã©ããã¯ã¹ç²äœãšæ·»å
å€ãšã®æ··åç©ãæŒããªããåæã«å ç±ãçŒçµäœãš
ããããšãã§ããæ¬çºæã«ãããŠã¯åèšæ·»å å€ã®
å«æéã¯0.1ãïŒééïŒ ã®ç¯å²ã§æãå¯åºŠã®é«ã
çŒçµäœãåŸãããšãã§ããã次ã«ãåžžå§ããã³æž
å§äžã®çŒçµæ³ãããã¯ããããã¬ã¹çŒçµæ³ã«ãã
ãå ç±é°å²æ°ããã³å ç±æž©åºŠã«ã€ããŠä»¥äžã«è¿°ã¹
ããšãæ¬çºæã«ãããŠè£œé ãããäžèšçŒçµæ圢äœ
ã¯ãç空äžãäžæŽ»æ§ã¬ã¹ãCOã¬ã¹ãæ°ŽçŽ ã¬ã¹ã®
ãã¡ããéžã°ããããããäžçš®ä»¥äžã®é°å²æ°äžã§
1000âãã2000âãŸã§ã®æž©åºŠç¯å²ã§å ç±ããããš
ã«ããåŸãããšãã§ãããåèšå ç±ãé žåæ§é°å²
æ°äžã§è¡ãªããšæ·»å å€ãé žåãããŠäž»ãšããŠ
SiO2ãšãªãããé«æž©åŒ·åºŠã®é«ãçŒçµäœãåŸé£ã
ãªãããåèšæ·»å å€ã§ããææ©ã±ã€çŽ é«åååå
ç©ã¯éé žåæ§é°å²æ°äžçŽ1000âã®å ç±ã§ã»ãŒSiC
ã«è»¢æããã®ã§ãäºã1000âååŸãŸã§éé žåæ§é°
å²æ°äžã§å ç±ããåŸã§ããã°åŸ®éã®é žåæ§é°å²æ°
ãæ··åšããé°å²æ°äžã§1000â以äžã«å ç±ããŠãå·®
ãã€ãããªãããã ããäžèšã®é°å²æ°ããã³å ç±
枩床ã¯ãåºå°ã»ã©ããã¯ã¹ã®å€è³ªããããããªã
ãããªæ¡ä»¶ã®äžã§è¡ãªãããšãæå©ã§ãããäŸã
ã°ã»ã©ããã¯ã¹ã®èç¹ãæ®çºç¹ä»¥äžã®å ç±æž©åºŠã
ã»ã©ããã¯ã¹ãšã®åå¿ããããããªããããªé°å²
æ°ãªã©ãéžæããããšãæå©ã§ãããããã«ãäž
èšå ç±æž©åºŠã¯ãåŸæ¥ã®ã»ã©ããã¯ã¹çŒçµäœãçŒçµ
ãã枩床ããäœã1000ã1600âã®ç¯å²ã奜é©ã§ã
ãããã®çç±ã¯åè¿°ããããã«ææ©ã±ã€çŽ é«åå
ååç©ãSiCã«è»¢æããéçšã§ãã»ã©ããã¯ã¹ç²
åã®èªå·±çŒçµæ§ãåäžãããã®ã§ãåŸæ¥ã®ã»ã©ã
ãã¯ã¹ã®çŒçµæž©åºŠãããäœããŠãå åçŒçµã§ãã
äžã«ãç²çãå ããSiCã¯1600â以äžã«å ç±ãã
ãŠããæ®ã©æå©ãªå€åãçããªãããçŒçµäœå šäœ
ã®å¯åºŠã¯ã»ãŒçè«å¯åºŠã«éããããã1600â以äž
ã®å ç±ã¯éåžžã¯å¿ ãããå¿ èŠãšããªãã ããããŠåŸãããçŒçµæ圢äœã«äžèšã®åŠãåŠç
ãæœãããšã«ãããããã«é«å¯åºŠã®çŒçµæ圢äœã
åŸãããšãã§ãããåèšçŒçµæ圢äœã«ã10mmHg
以äžã®æžå§äžã«ãããŠæ¶²ç¶ã®åèšææ©ã±ã€çŽ é«å
åååç©ãå«æµžãããå¿ èŠã«ããå å§ããŠåèšå«
浞ã®åºŠåãé«ããåŸãç空äžãäžæŽ»æ§ã¬ã¹ãæ°ŽçŽ
ã¬ã¹ãCOã¬ã¹ã®ãã¡ããéžã°ããããããå°ã
ãšãïŒçš®ã®é°å²æ°äžã§1000âã2000âã®æž©åºŠç¯å²
ã§å ç±ããäžé£ã®åŠçãå°ãªããšãïŒåæœãããš
ã«ãã€ãŠãããé«å¯åºŠãªçŒçµæ圢äœãšããããšã
ã§ãããåèšå«æµžãããææ©ã±ã€çŽ é«ååååç©
ã¯æ¶²ç¶ã®ãã®ãå¿ èŠã§ããããããããã®ååç©
ã宀枩ãããã¯æ¯èŒçäœãå ç±æž©åºŠã§æ¶²ç¶ã§åŸã
ããå Žåã¯ãã®ãŸãŸã®ãã®ãããããã¯å¿ èŠã«ã
ããç²æ§ãäžããããå°éã®ãã³ãŒã³ããã«ãš
ã³ããã·ã¬ã³ããããµã³ããšãŒãã«ãããã©ãã
ããã©ã³ããžãªããµã³ãã¯ãããã«ã ãã¡ãã¬ã³
ã¯ããªããç³æ²¹ãšãŒãã«ãç³æ²¹ãã³ãžã³ããªã°ã
ã€ã³ãããã³ãDMSOãDMFããã®ä»ææ©ã±ã€
çŽ é«ååååç©ãå¯æº¶ãã溶åªãçšããŠæº¶è§£ãã
ãã®ã䜿çšããããšãã§ãããåèšäžé£ã®åŠçã¯
å°ããšãïŒå以äžç¹°ãè¿ãæœãããšã«ãããéåžž
ã®çŒçµæž©åºŠããæ¯èŒçäœã枩床ã§çŒçµããŠããå
åé«å¯åºŠãªçŒçµæ圢äœãåŸãããšãã§ããã ããã«ãåèšçŒçµæ圢äœã«ã¯æ·»å å€ããçæã
ãéé¢ççŽ ãå«ãŸããŠããããšãããããã®éé¢
ççŽ ã¯é žåæ§é°å²æ°ã§å¥œé©ã«ã¯600ã1400âã®æž©
床ç¯å²ã§çŒæããããªãããšã«ããé€å»ããããš
ãã§ãããåèšçŒæã600â以äžã®æž©åºŠã§è¡ã€ãŠ
ãççŽ ãé€ãããšã¯ã§ããã1400âãè¶ ãããšçŒ
çµæ圢äœäžã®éé žåç©ç³»ç©è³ªã®é žååå¿ãåŸã ã«
èµ·ãå§ããããã«ãã®æž©åºŠä»¥äžã§éé¢ççŽ ãé€ã
ã®ã¯å¥œãŸãããªããåèšé žåæ§é°å²æ°äžã§ã®çŒæ
ã®æéã¯æ¯èŒçäœã枩床ã§é·æéçŒæããæ¹ãé ž
åç©ã®çæãå°ãªãã®ã§ã©ã¡ãããšãããšè¯ãçµ
æãåŸãããäŸãã°æ¬çºæã®æ¹æ³ã«ãã€ãŠè£œé ã
ãSiCã«ããã1000âã®ç©ºæ°äžã§çŒæããŠéé¢ç
çŽ ãé€å»ããå Žåã«ã¯0.1ãïŒæéãé©åœã§ã
ãã 次ã«ãæ¬çºæã«ãããŠçŒçµåºå°ãšããŠäœ¿çšãã
ããšã®ã§ããã»ã©ããã¯ã¹ç²æ«ã¯ãã§ããã ãçŽ
床ãé«ããããã埮ç²æ«ç¶ã®ãã®ãçšããããš
ããé«å¯åºŠã§é«åŒ·åºŠãªçŒçµæ圢äœãåŸãããšãã§
ããã®ã§æå©ã§ãããäžèšç¬¬ïŒè¡šã«ãæ¬çºæã«ã
ããŠäœ¿çšããããšã®ã§ããèç±ã»ã©ããã¯ã¹ã®ã
ãããã®ä»£è¡šçãªåäœååç©ã瀺ããæ¬çºæã«ã
ããŠã¯ã第ïŒè¡šã«ç€ºããåäœååç©ã®ã¿ãªããã
ããããšç°ãçµææ¯ãæããåäœååç©ãããã
ãè€åããŠæ§æãããäŸãã°Al2O3ã»MgOã
B4Cã»TiB2ã®ãããªè€åååç©ãTiO1±Xãªã©ã®
ãããªéååŠéè«ççµæãæããã»ã©ããã¯ã¹ã
ããã«ã¯åŸ®éã®éå±çžãå«æããã»ã©ããã¯ã¹ç
ã«ã€ããŠãåæ§ã«çŒçµåºå°ãšããŠäœ¿çšããããšã
ã§ããã
ãè¡šã
ãè¡šã
次ã«æ¬çºæãå®æœäŸã«ã€ããŠèª¬æããã
å®æœäŸ ïŒ
ããã«ã¡ãã«ã·ã¯ããããµã·ã©ã³ããªãŒãã¯ã¬
ãŒãã«å ¥ããã¢ã«ãŽã³é°å²æ°äžã450âã§30æé
ç±åŠçããåºäœç¶ããªã«ã«ãã·ã©ã³ãåŸãããã®
ããªã«ã«ãã·ã©ã³ã®å¹³åååéã¯1700ã§ãã€ãã
çŽåºŠ99.5ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®Al2O3ç²æ«ã«
ééæ¯ã§ïŒïŒ ã«ãããäžèšããªã«ã«ãã·ã©ã³ãæ·»
å ãå åã«æ··æããåŸãéåãã¬ã¹ãçšããŠçŽ
700KgïŒcm2ã®å§åã§å å§ãã10ÏÃ12LmmïŒã®ã
ã¬ããæ圢äœã補é ããããã®æ圢äœãïŒæ°å§ã®
Aré°å²æ°äžã§1500âãŸã§ïŒâïŒminã®ææž©é床ã§
å ç±ãïŒæéä¿æããŠçŒçµãããåŸãããAl2O3
çŒçµäœã®å¯åºŠã¯3.92ïœïŒcm3ã§ããã98.5ïŒ çè«å¯
床ã«éããŠããããŸãããã®ãã®ã®å§çž®åŒ·åºŠã¯20
âã§38000KgïŒcm2ïŒ500âã§27000KgïŒcm2ïŒ1000â
ã§16000KgïŒcm2ïŒ1500âã§9000KgïŒcm2ã§ãããé«
枩匷床ã«ã極ããŠåªããŠããããšãå€æãããã
ã®ãã®ããå åŠé¡åŸ®é¡ã§èŠ³å¯ãããšãããå³ïŒé¡
埮é¡åçïŒã«ç€ºãããã«Al2O3ã®ç²åã¯10ã30ÎŒ
ïœçŽåŸã®å€§ããã§ãããç²å€§æé·ç²ã¯èŠãããç²
å ã«ã¯ç©ºåãæ®ãã©èŠãããªãã€ãããŸãç²çã«
ã¯SiC埮çµæ¶ãçš å¯ã«å å¡«ããŠãããããã«ç²å
ãšç²çãšã®çé¢ã«ãããŠãéé¢ççŽ ãšAl2O3ãšã
åå¿ããŠçãããšæããã第ïŒçžããå±éšçã«è¢«
èŠèç¶ã«ååšããŠããããšãå€æãããã®ç¬¬ïŒçž
ããŸãAl2O3ç²ãšç²çãšã®å¯ççµåã匷åããå
ãããªãããšãæšå¯ãããã å®æœäŸ ïŒ ããªã·ã©ã³çŽ93ééïŒ ãšãã¿ãã»ã³ãžã«ã«ãã
ã«ïŒTiC12H10O2ïŒçŽïŒééïŒ ãããªãæ··åç©ããª
ãŒãã¯ã¬ãŒãäžã§450âã§24æéåå¿ãããŠãã
ã¿ã³å çŽ ãçŽïŒééïŒ å«ãããªã«ã«ãã·ã©ã³ãåŸ
ããçŽåºŠ98.0ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®TiCç²
æ«ã«ééæ¯ã§ïŒïŒ ã«åœãäžèšããªã«ã«ãã·ã©ã³ã
æ·»å ãååã«æ··åããåŸãé»é補ããããã¬ã¹æŒ
åã«èšçœ®ããïŒæ°å§ã®Aré°å²æ°ã§çŽ500KgïŒcm2ã®
å§åãå ããªããã1500âã®æž©åºŠã«ãªããŸã§ïŒæ
éãããã®ã¡ã30åéä¿æããŠã15ÏÃ15LmmïŒ
ã®ããããã¬ã¹çŒçµäœãåŸãããã®ãã®ã®å¯åºŠã¯
4.23ïœïŒcm3ã§ããã99.5ïŒ çè«å¯åºŠã«éããããŸ
ãã宀枩ã§ã®å§çž®åŒ·ãã¯110000KgïŒcm3ã§ãããåŸ
æ¥å ±åãããŠããåçš®ã®ããããã50ïŒ çšåºŠåŒ·åºŠ
ãåäžããŠããããã®ãã®ãèµ°æ»åé»åé¡åŸ®é¡ã§
çµç¹èŠ³å¯ãããšãããTiCã®ç²åŸã¯10ã20ÎŒïœã§
ãããç²å€§æé·ç²ã¯èŠããããç²å ã®ç©ºåã¯æ®ã©
èŠãããªãã€ããããã«ç²çãå ããSiCãšTiC
çŒçµç²ã®éã«ã¯ããã¿ãã»ã³ãžã«ã«ããã«ããç
æãããTiCãååšãããããåºå°TiCãšæ¡æ£çµ
åããŠãããããSiâTiâ系ã®è€åååç©ã圢
æããçŒçµäœå šäœãé«å¯åºŠã«åŒ·åºã«å¯çããŠãã
ããšã確èªãããã å®æœäŸ ïŒ å®æœäŸïŒã§çšããããªã«ã«ãã·ã©ã³ããçŽåºŠ
98.0ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®TiB2ç²æ«ã«éé
æ¯ã§ïŒïŒ ã®å²åã§æ·»å ãæ··åãããã®ããéåã
ã¬ã¹ãçšããŠçŽ1000KgïŒcm2ã®å§åã§å å§ãã10Ï
Ã12LmmïŒã®ãã¬ããæ圢äœã補é ããããã®æ
圢äœãïŒæ°å§ã®ããªãŠã é°å²æ°äžã§1600âãŸã§ïŒ
âïŒminã®ææž©é床ã§å ç±ãïŒæéä¿æããŠçŒçµ
ãããåŸãããTiB2çŒçµäœã®å¯åºŠã¯4.47ïœïŒcm3ã§
ããã99.0ïŒ çè«å¯åºŠã«éããŠããããã®ãã®ã®
å§çž®åŒ·ãã¯å®€æž©ã§101000KgïŒcm2ã§ãããåŸæ¥å ±å
ãããŠããåçš®ã®ãããšæ¯èŒããŠçŽ50ïŒ ã匷床ã
åäžããŠããããŸããåŸæ¥ã®TiB2ã¯çŽ1400âã
ãé žåãèãããªãæ¬ ç¹ãæããŠããããæ¬å®æœ
äŸã«ããTiB2ã¯çŽ1550âãŸã§ã¯é žåæµæãã
ããåªããèç±ææã§ããããšã確èªãããã å®æœäŸ ïŒ ããã«ã¡ãã«ã·ã¯ããããµã·ã©ã³ããªãŒãã¯ã¬
ãŒãã«å ¥ããã¢ã«ãŽã³é°å²æ°äžã400âã§36æé
ç±åŠçããåºäœç¶ããªã«ã«ãã·ã©ã³ãåŸãããã®
ããªã«ã«ãã·ã©ã³ã®å¹³åååéã¯1800ã§ãã€ãã
å¹³å600ã¡ãã·ãŠã®çŽåºŠ99.90ïŒ SiCç²æ«50ïœãäž
èšããªã«ã«ãã·ã©ã³ïŒïœãšå ±ã«ååã«æ··æåŸã«ã
ãç¶ã«å å§æ圢ããïŒÃ10-4mmHgã®ç空äžã§å®€
æž©ãã1300âãŸã§ïŒæéããã§çŒæããïŒæéä¿
æããŠSiCã«ãããšãããåèšã·ãªã³ã³ã«ãŒãã€
ãã«ããã®ããæ¯éã¯2.95ã§ãã€ãã 次ã«äžèšåºäœç¶ããªã«ã«ãã·ã©ã³ãšåèšSiCçŒ
çµã«ãããšãïŒÃ10-2mmHgã®ç空äžã«ä¿æããŠ
çŽ350âã«å ç±ããåŸã100æ°å§ã®ã¢ã«ãŽã³é°å²æ°
äžã«ä¿æããŠå«æµžåŠçãæœããããã®å«æµžåŸã®ã«
ãããã¢ã«ãŽã³é°å²æ°äžã§1300âãŸã§ïŒæéãã
ãŠå ç±ããïŒæéä¿æããŠæ°ããªçŒçµäœãšããã
åŸãããã«ããçŒçµäœã®ããæ¯éã¯3.06ã§ãã€
ãããã®ãã®ã«ããã«ãäžèšãšåæ§ãªæ¡ä»¶ã§ããª
ã«ã«ãã·ã©ã³ã®å«æµžãšå ç±ãšãããããïŒåãã€
è¡ãªã€ããšãããåŸãããçŒçµäœã®ããæ¯éã¯
3.12ã§ãã€ãããã®ãã®ã«ããã«ãäžèšäžé£ã®å«
浞ããã³å ç±åŠçãæœãããšãããåŸãããçŒçµ
äœã®ããæ¯éã¯3.15ã§ãã€ãããã®ããã«åŸãã
ãçŒçµäœã«ææ©ã±ã€çŽ é«ååååç©ã®å«æµžå·¥çšãš
å ç±å·¥çšã®äžé£ã®åŠçãããè¿ãå®æœããããšã«
ããããæ¯éã¯åŸã ã«çè«æ¯éã«è¿ã¥ããç·»å¯ãª
çŒçµæ圢äœãåŸãããšãã§ããã ãã®ããã«ããŠåŸãããã«ãããéå±ã±ã€çŽ ã®
溶解ã«çšãããšãããåŸæ¥ã®ã«ããã«æ¯ãã寿åœ
ãå€§å¹ ã«åäžãããã€æº¶è§£åŸã®éå±ã±ã€çŽ ã®äžçŽ
ç©ã«ããçŽåºŠã®äœäžã極ããŠå°ãªãã€ãã å®æœäŸ ïŒ ããªã·ã©ã³çŽ95ééïŒ ãšãžã¡ãã«ã¢ã«ãããŠã
ãã€ãã©ã€ãïŒAlC2H7ïŒçŽïŒééïŒ ãããªãæ··å
ç©ããªãŒãã¯ã¬ãŒãäžã§430âã§36æéåå¿ãã
ãŠãã¢ã«ãããŠã å çŽ ãçŽïŒééïŒ å«ãåºäœç¶ã
ãªã«ã«ãã·ã©ã³ãåŸããçŽåºŠ98.5ïŒ ä»¥äžã§700ã¡
ãã·ãŠä»¥äžã®AlNç²æ«ã«ééæ¯ã§ïŒïŒ ã«åœãäžèš
ããªã«ã«ãã·ã©ã³ãæ·»å ãååã«æ··æããåŸãé»
é補ããããã¬ã¹æŒåã«èšçœ®ããïŒÃ10-5mmHg
ã®ç空äžã§çŽ500KgïŒcm2ã®å§åãå ããªããã
1600âã®æž©åºŠã«éãããŸã§ïŒæéãããã®ã¡ã30
åéä¿æããŠã寞æ³15ÏÃ15LmmïŒã®ããããã¬
ã¹çŒçµäœãåŸãããã®ãã®ã®å¯åºŠã¯3.24ïœïŒcm3ã§
ããã99.4ïŒ çè«å¯åºŠã«éããããŸãããã®ãã®
ã®å§çž®åŒ·ãã¯65000KgïŒcm2ã§ãããåŸæ¥ã®ããã
ãã¬ã¹AlNçŒçµäœã®å€ããçŽ40ïŒ åŒ·åºŠãåäžã
ããããã«ãåŸæ¥ã®AlNã¯çŽ800âããé žåãã
ã¯ãããããæ¬å®æœäŸã®AlNã¯çŽ950âãŸã§é žå
ã¯èµ·ããåªããèç±ææã§ããããšã確èªãã
ãã ãªããäžèšå®æœäŸã«ãããŠã¯ä»£è¡šçãªã»ã©ãã
ã¯ã¹ã®çŒçµæ圢äœã®è£œé æ¹æ³ã«ã€ããŠæ°äŸã瀺ã
ããããã以å€ã®çš®ã ã®ã»ã©ããã¯ã¹ã«ã€ããŠã
å šãåæ§ã«åªããèç±çŒçµæ圢äœãåŸãããšãã§
ããã 以äžè¿°ã¹ããšããã«ãããæ¬çºæã«ããã°çŒçµ
æ·»å å€ãšããŠãã±ã€çŽ ãšççŽ ãäž»ãªéªšæ Œæåãšã
ãææ©ã±ã€çŽ é«ååååç©ãããã¯å¿ èŠã«ããå
çš®éå±å çŽ ãããã«å«ãã äžèšææ©ã±ã€çŽ é«åå
ååç©ãçšããããšã«ãããé«å¯åºŠã§é«åŒ·åºŠãªè
ç±ã»ã©ããã¯ã¹çŒçµäœã補é ããããšãã§ããå
èšçŒçµäœã¯ãèªç©ºå®å®å·¥æ¥ãéå±æ²»éå·¥æ¥ãè¹è¶
èªåè»å·¥æ¥ãç³æ²¹ååŠå·¥æ¥ã窯æ¥ãé»æ°ååŠå·¥
æ¥ãåååå·¥æ¥ãã®ä»èç±æ§ææãå¿ èŠãšããã
çš®ã ã®åéã§æ¥µããŠæå¹ã«äœ¿çšãããããšãæåŸ
ã§ããã
ãŒãã«å ¥ããã¢ã«ãŽã³é°å²æ°äžã450âã§30æé
ç±åŠçããåºäœç¶ããªã«ã«ãã·ã©ã³ãåŸãããã®
ããªã«ã«ãã·ã©ã³ã®å¹³åååéã¯1700ã§ãã€ãã
çŽåºŠ99.5ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®Al2O3ç²æ«ã«
ééæ¯ã§ïŒïŒ ã«ãããäžèšããªã«ã«ãã·ã©ã³ãæ·»
å ãå åã«æ··æããåŸãéåãã¬ã¹ãçšããŠçŽ
700KgïŒcm2ã®å§åã§å å§ãã10ÏÃ12LmmïŒã®ã
ã¬ããæ圢äœã補é ããããã®æ圢äœãïŒæ°å§ã®
Aré°å²æ°äžã§1500âãŸã§ïŒâïŒminã®ææž©é床ã§
å ç±ãïŒæéä¿æããŠçŒçµãããåŸãããAl2O3
çŒçµäœã®å¯åºŠã¯3.92ïœïŒcm3ã§ããã98.5ïŒ çè«å¯
床ã«éããŠããããŸãããã®ãã®ã®å§çž®åŒ·åºŠã¯20
âã§38000KgïŒcm2ïŒ500âã§27000KgïŒcm2ïŒ1000â
ã§16000KgïŒcm2ïŒ1500âã§9000KgïŒcm2ã§ãããé«
枩匷床ã«ã極ããŠåªããŠããããšãå€æãããã
ã®ãã®ããå åŠé¡åŸ®é¡ã§èŠ³å¯ãããšãããå³ïŒé¡
埮é¡åçïŒã«ç€ºãããã«Al2O3ã®ç²åã¯10ã30ÎŒ
ïœçŽåŸã®å€§ããã§ãããç²å€§æé·ç²ã¯èŠãããç²
å ã«ã¯ç©ºåãæ®ãã©èŠãããªãã€ãããŸãç²çã«
ã¯SiC埮çµæ¶ãçš å¯ã«å å¡«ããŠãããããã«ç²å
ãšç²çãšã®çé¢ã«ãããŠãéé¢ççŽ ãšAl2O3ãšã
åå¿ããŠçãããšæããã第ïŒçžããå±éšçã«è¢«
èŠèç¶ã«ååšããŠããããšãå€æãããã®ç¬¬ïŒçž
ããŸãAl2O3ç²ãšç²çãšã®å¯ççµåã匷åããå
ãããªãããšãæšå¯ãããã å®æœäŸ ïŒ ããªã·ã©ã³çŽ93ééïŒ ãšãã¿ãã»ã³ãžã«ã«ãã
ã«ïŒTiC12H10O2ïŒçŽïŒééïŒ ãããªãæ··åç©ããª
ãŒãã¯ã¬ãŒãäžã§450âã§24æéåå¿ãããŠãã
ã¿ã³å çŽ ãçŽïŒééïŒ å«ãããªã«ã«ãã·ã©ã³ãåŸ
ããçŽåºŠ98.0ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®TiCç²
æ«ã«ééæ¯ã§ïŒïŒ ã«åœãäžèšããªã«ã«ãã·ã©ã³ã
æ·»å ãååã«æ··åããåŸãé»é補ããããã¬ã¹æŒ
åã«èšçœ®ããïŒæ°å§ã®Aré°å²æ°ã§çŽ500KgïŒcm2ã®
å§åãå ããªããã1500âã®æž©åºŠã«ãªããŸã§ïŒæ
éãããã®ã¡ã30åéä¿æããŠã15ÏÃ15LmmïŒ
ã®ããããã¬ã¹çŒçµäœãåŸãããã®ãã®ã®å¯åºŠã¯
4.23ïœïŒcm3ã§ããã99.5ïŒ çè«å¯åºŠã«éããããŸ
ãã宀枩ã§ã®å§çž®åŒ·ãã¯110000KgïŒcm3ã§ãããåŸ
æ¥å ±åãããŠããåçš®ã®ããããã50ïŒ çšåºŠåŒ·åºŠ
ãåäžããŠããããã®ãã®ãèµ°æ»åé»åé¡åŸ®é¡ã§
çµç¹èŠ³å¯ãããšãããTiCã®ç²åŸã¯10ã20ÎŒïœã§
ãããç²å€§æé·ç²ã¯èŠããããç²å ã®ç©ºåã¯æ®ã©
èŠãããªãã€ããããã«ç²çãå ããSiCãšTiC
çŒçµç²ã®éã«ã¯ããã¿ãã»ã³ãžã«ã«ããã«ããç
æãããTiCãååšãããããåºå°TiCãšæ¡æ£çµ
åããŠãããããSiâTiâ系ã®è€åååç©ã圢
æããçŒçµäœå šäœãé«å¯åºŠã«åŒ·åºã«å¯çããŠãã
ããšã確èªãããã å®æœäŸ ïŒ å®æœäŸïŒã§çšããããªã«ã«ãã·ã©ã³ããçŽåºŠ
98.0ïŒ ä»¥äžã§800ã¡ãã·ãŠä»¥äžã®TiB2ç²æ«ã«éé
æ¯ã§ïŒïŒ ã®å²åã§æ·»å ãæ··åãããã®ããéåã
ã¬ã¹ãçšããŠçŽ1000KgïŒcm2ã®å§åã§å å§ãã10Ï
Ã12LmmïŒã®ãã¬ããæ圢äœã補é ããããã®æ
圢äœãïŒæ°å§ã®ããªãŠã é°å²æ°äžã§1600âãŸã§ïŒ
âïŒminã®ææž©é床ã§å ç±ãïŒæéä¿æããŠçŒçµ
ãããåŸãããTiB2çŒçµäœã®å¯åºŠã¯4.47ïœïŒcm3ã§
ããã99.0ïŒ çè«å¯åºŠã«éããŠããããã®ãã®ã®
å§çž®åŒ·ãã¯å®€æž©ã§101000KgïŒcm2ã§ãããåŸæ¥å ±å
ãããŠããåçš®ã®ãããšæ¯èŒããŠçŽ50ïŒ ã匷床ã
åäžããŠããããŸããåŸæ¥ã®TiB2ã¯çŽ1400âã
ãé žåãèãããªãæ¬ ç¹ãæããŠããããæ¬å®æœ
äŸã«ããTiB2ã¯çŽ1550âãŸã§ã¯é žåæµæãã
ããåªããèç±ææã§ããããšã確èªãããã å®æœäŸ ïŒ ããã«ã¡ãã«ã·ã¯ããããµã·ã©ã³ããªãŒãã¯ã¬
ãŒãã«å ¥ããã¢ã«ãŽã³é°å²æ°äžã400âã§36æé
ç±åŠçããåºäœç¶ããªã«ã«ãã·ã©ã³ãåŸãããã®
ããªã«ã«ãã·ã©ã³ã®å¹³åååéã¯1800ã§ãã€ãã
å¹³å600ã¡ãã·ãŠã®çŽåºŠ99.90ïŒ SiCç²æ«50ïœãäž
èšããªã«ã«ãã·ã©ã³ïŒïœãšå ±ã«ååã«æ··æåŸã«ã
ãç¶ã«å å§æ圢ããïŒÃ10-4mmHgã®ç空äžã§å®€
æž©ãã1300âãŸã§ïŒæéããã§çŒæããïŒæéä¿
æããŠSiCã«ãããšãããåèšã·ãªã³ã³ã«ãŒãã€
ãã«ããã®ããæ¯éã¯2.95ã§ãã€ãã 次ã«äžèšåºäœç¶ããªã«ã«ãã·ã©ã³ãšåèšSiCçŒ
çµã«ãããšãïŒÃ10-2mmHgã®ç空äžã«ä¿æããŠ
çŽ350âã«å ç±ããåŸã100æ°å§ã®ã¢ã«ãŽã³é°å²æ°
äžã«ä¿æããŠå«æµžåŠçãæœããããã®å«æµžåŸã®ã«
ãããã¢ã«ãŽã³é°å²æ°äžã§1300âãŸã§ïŒæéãã
ãŠå ç±ããïŒæéä¿æããŠæ°ããªçŒçµäœãšããã
åŸãããã«ããçŒçµäœã®ããæ¯éã¯3.06ã§ãã€
ãããã®ãã®ã«ããã«ãäžèšãšåæ§ãªæ¡ä»¶ã§ããª
ã«ã«ãã·ã©ã³ã®å«æµžãšå ç±ãšãããããïŒåãã€
è¡ãªã€ããšãããåŸãããçŒçµäœã®ããæ¯éã¯
3.12ã§ãã€ãããã®ãã®ã«ããã«ãäžèšäžé£ã®å«
浞ããã³å ç±åŠçãæœãããšãããåŸãããçŒçµ
äœã®ããæ¯éã¯3.15ã§ãã€ãããã®ããã«åŸãã
ãçŒçµäœã«ææ©ã±ã€çŽ é«ååååç©ã®å«æµžå·¥çšãš
å ç±å·¥çšã®äžé£ã®åŠçãããè¿ãå®æœããããšã«
ããããæ¯éã¯åŸã ã«çè«æ¯éã«è¿ã¥ããç·»å¯ãª
çŒçµæ圢äœãåŸãããšãã§ããã ãã®ããã«ããŠåŸãããã«ãããéå±ã±ã€çŽ ã®
溶解ã«çšãããšãããåŸæ¥ã®ã«ããã«æ¯ãã寿åœ
ãå€§å¹ ã«åäžãããã€æº¶è§£åŸã®éå±ã±ã€çŽ ã®äžçŽ
ç©ã«ããçŽåºŠã®äœäžã極ããŠå°ãªãã€ãã å®æœäŸ ïŒ ããªã·ã©ã³çŽ95ééïŒ ãšãžã¡ãã«ã¢ã«ãããŠã
ãã€ãã©ã€ãïŒAlC2H7ïŒçŽïŒééïŒ ãããªãæ··å
ç©ããªãŒãã¯ã¬ãŒãäžã§430âã§36æéåå¿ãã
ãŠãã¢ã«ãããŠã å çŽ ãçŽïŒééïŒ å«ãåºäœç¶ã
ãªã«ã«ãã·ã©ã³ãåŸããçŽåºŠ98.5ïŒ ä»¥äžã§700ã¡
ãã·ãŠä»¥äžã®AlNç²æ«ã«ééæ¯ã§ïŒïŒ ã«åœãäžèš
ããªã«ã«ãã·ã©ã³ãæ·»å ãååã«æ··æããåŸãé»
é補ããããã¬ã¹æŒåã«èšçœ®ããïŒÃ10-5mmHg
ã®ç空äžã§çŽ500KgïŒcm2ã®å§åãå ããªããã
1600âã®æž©åºŠã«éãããŸã§ïŒæéãããã®ã¡ã30
åéä¿æããŠã寞æ³15ÏÃ15LmmïŒã®ããããã¬
ã¹çŒçµäœãåŸãããã®ãã®ã®å¯åºŠã¯3.24ïœïŒcm3ã§
ããã99.4ïŒ çè«å¯åºŠã«éããããŸãããã®ãã®
ã®å§çž®åŒ·ãã¯65000KgïŒcm2ã§ãããåŸæ¥ã®ããã
ãã¬ã¹AlNçŒçµäœã®å€ããçŽ40ïŒ åŒ·åºŠãåäžã
ããããã«ãåŸæ¥ã®AlNã¯çŽ800âããé žåãã
ã¯ãããããæ¬å®æœäŸã®AlNã¯çŽ950âãŸã§é žå
ã¯èµ·ããåªããèç±ææã§ããããšã確èªãã
ãã ãªããäžèšå®æœäŸã«ãããŠã¯ä»£è¡šçãªã»ã©ãã
ã¯ã¹ã®çŒçµæ圢äœã®è£œé æ¹æ³ã«ã€ããŠæ°äŸã瀺ã
ããããã以å€ã®çš®ã ã®ã»ã©ããã¯ã¹ã«ã€ããŠã
å šãåæ§ã«åªããèç±çŒçµæ圢äœãåŸãããšãã§
ããã 以äžè¿°ã¹ããšããã«ãããæ¬çºæã«ããã°çŒçµ
æ·»å å€ãšããŠãã±ã€çŽ ãšççŽ ãäž»ãªéªšæ Œæåãšã
ãææ©ã±ã€çŽ é«ååååç©ãããã¯å¿ èŠã«ããå
çš®éå±å çŽ ãããã«å«ãã äžèšææ©ã±ã€çŽ é«åå
ååç©ãçšããããšã«ãããé«å¯åºŠã§é«åŒ·åºŠãªè
ç±ã»ã©ããã¯ã¹çŒçµäœã補é ããããšãã§ããå
èšçŒçµäœã¯ãèªç©ºå®å®å·¥æ¥ãéå±æ²»éå·¥æ¥ãè¹è¶
èªåè»å·¥æ¥ãç³æ²¹ååŠå·¥æ¥ã窯æ¥ãé»æ°ååŠå·¥
æ¥ãåååå·¥æ¥ãã®ä»èç±æ§ææãå¿ èŠãšããã
çš®ã ã®åéã§æ¥µããŠæå¹ã«äœ¿çšãããããšãæåŸ
ã§ããã
å³ã¯æ¬çºæã®è£œé æ¹æ³ã«ãã補é ãããAl2O3
æ圢äœã®çµç¹ã瀺ãé¡åŸ®é¡åçã§ããã
æ圢äœã®çµç¹ã瀺ãé¡åŸ®é¡åçã§ããã
Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ (1) Siâçµåã®ã¿ããµããææ©ã±ã€çŽ åå
ç©ã (2) Siâçµåã®ã»ãã«Siâçµåããµããææ©
ã±ã€çŽ ååç©ã (3) SiâHalçµåãæããææ©ã±ã€çŽ ååç©ã (4) SiâORïŒïŒ²ïŒã¢ã«ãã«ãã¢ãªãŒã«ïŒçµåã
æããææ©ã±ã€çŽ ååç©ã (5) SiâOHçµåãæããææ©ã±ã€çŽ ååç©ã (6) SiâSiçµåããµããææ©ã±ã€çŽ ååç©ã (7) SiââSiçµåããµããææ©ã±ã€çŽ ååç©ã (8) ææ©ã±ã€çŽ ååç©ãšã¹ãã«é¡ã (9) ææ©ã±ã€çŽ ååç©é žåç©ã äžèš(1)ã(9)ã®ææ©ã±ã€çŽ ååç©ã®ãã¡ããéžã°
ããå°ãªããšãïŒçš®ãŸãã¯ïŒçš®ä»¥äžã®ççŽ ãšã±ã€
çŽ ãäž»ãªéªšæ Œæåãšããææ©ã±ã€çŽ é«ååååç©
ããé žåç©ãçåç©ãçªåç©ãç¡Œåç©ããã³çªå
ç©ã®ãã¡ããéžã°ããå°ãªããšãïŒçš®ãããªãã»
ã©ããã¯ã¹ç²æ«ã«0.05ã20ééïŒ æ·»å ãæ··åãã
æ··åç©ãå å§æ圢ããå·¥çšãšãç空äžãäžæŽ»æ§ã¬
ã¹ãCOã¬ã¹ãæ°ŽçŽ ã¬ã¹ã®ãã¡ããéžã°ããå°ãª
ããšãïŒçš®ãããªãé°å²æ°äžã§1000ã2000âã®æž©
床ç¯å²ã§å ç±çŒçµããå·¥çšãšãããªãèç±ã»ã©ã
ãã¯ã¹çŒçµæ圢äœã®è£œé æ¹æ³ã ïŒ ççŽ ãšã±ã€çŽ ãäž»ãªéªšæ Œæåãšããææ©ã±ã€
çŽ ååç©ã¯0.1ã20ééïŒ ã®éå±å çŽ ãå«ãå«é
å±ææ©ã±ã€çŽ é«ååååç©ã§ããç¹èš±è«æ±ã®ç¯å²
第ïŒé èšèŒã®èç±ã»ã©ããã¯ã¹çŒçµæ圢äœã®è£œé
æ¹æ³ã ïŒ (1) Siâçµåã®ã¿ããµããææ©ã±ã€çŽ åå
ç©ã (2) Siâçµåã®ã»ãã«Siâçµåããµããææ©
ã±ã€çŽ ååç©ã (3) SiâHalçµåãæããææ©ã±ã€çŽ ååç©ã (4) SiâORïŒïŒ²ïŒã¢ã«ãã«ãã¢ãªãŒã«ïŒçµåã
æããææ©ã±ã€çŽ ååç©ã (5) SiâOHçµåãæããææ©ã±ã€çŽ ååç©ã (6) SiâSiçµåããµããææ©ã±ã€çŽ ååç©ã (7) SiââSiçµåããµããææ©ã±ã€çŽ ååç©ã (8) ææ©ã±ã€çŽ ååç©ãšã¹ãã«é¡ã (9) ææ©ã±ã€çŽ ååç©é žåç©ã äžèš(1)ã(9)ã®ææ©ã±ã€çŽ ååç©ã®ãã¡ããéžã°
ããå°ãªããšãïŒçš®ãŸãã¯ïŒçš®ä»¥äžã®ççŽ ãšã±ã€
çŽ ãäž»ãªéªšæ Œæåãšããææ©ã±ã€çŽ é«ååååç©
ããé žåç©ãçåç©ãçªåç©ãç¡Œåç©ããã³çªå
ç©ã®ãã¡ããéžã°ããå°ãªããšãïŒçš®ãããªãã»
ã©ããã¯ã¹ç²æ«ã«0.05ã20ééïŒ æ·»å ãæ··åãã
æ··åç©ãå å§æ圢ããå·¥çšãšãç空äžãäžæŽ»æ§ã¬
ã¹ãCOã¬ã¹ãæ°ŽçŽ ã¬ã¹ã®ãã¡ããéžã°ããå°ãª
ããšãïŒçš®ãããªãé°å²æ°äžã§1000ã2000âã®æž©
床ç¯å²ã§å ç±çŒçµããå·¥çšãšã«ãã補é ããŠãªã
èç±ã»ã©ããã¯ã¹çŒçµæ圢äœã«åèšææ©ã±ã€çŽ é«
ååååç©ã0.05ã20ééïŒ å«æµžãããåŸãç空
äžãäžæŽ»æ§ã¬ã¹ãCOã¬ã¹ãæ°ŽçŽ ã¬ã¹ã®ãã¡ãã
éžã°ããå°ãªããšãïŒçš®ãããªãé°å²æ°äžã§1000
ã2000âã®æž©åºŠç¯å²ã§å ç±ããäžé£ã®åŠçãå°ãª
ããšãïŒåæœãããšãç¹åŸŽãšããèç±ã»ã©ããã¯
ã¹çŒçµæ圢äœã®è£œé æ¹æ³ã ïŒ ççŽ ãšã±ã€çŽ ãäž»ãªéªšæ Œæåãšããææ©ã±ã€
ååç©ã¯0.1ã20ééïŒ ã®éå±å çŽ ãå«ãå«éå±
ææ©ã±ã€çŽ é«ååååç©ã§ããç¹èš±è«æ±ã®ç¯å²ç¬¬
ïŒé èšèŒã®èç±ã»ã©ããã¯ã¹çŒçµæ圢äœã®è£œé æ¹
æ³ã
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1574676A JPS52100512A (en) | 1976-02-18 | 1976-02-18 | Manufacture of thermal resisting ceramics sintered mold bodies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1574676A JPS52100512A (en) | 1976-02-18 | 1976-02-18 | Manufacture of thermal resisting ceramics sintered mold bodies |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52100512A JPS52100512A (en) | 1977-08-23 |
JPS6227023B2 true JPS6227023B2 (ja) | 1987-06-11 |
Family
ID=11897318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1574676A Granted JPS52100512A (en) | 1976-02-18 | 1976-02-18 | Manufacture of thermal resisting ceramics sintered mold bodies |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52100512A (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5776983U (ja) * | 1980-10-30 | 1982-05-12 | ||
JPS6246963A (ja) * | 1985-08-27 | 1987-02-28 | åžäººæ ªåŒäŒç€Ÿ | ã·ãªã³ã³ã«âãã€ãçŒçµäœã®è£œé æ¹æ³ |
JP4759321B2 (ja) * | 2005-06-06 | 2011-08-31 | ãã€ãã³æ ªåŒäŒç€Ÿ | ã¹ãããã³ã°ã¢ãŒã¿ããã³ãããåããã¬ã³ãºé¡ç |
-
1976
- 1976-02-18 JP JP1574676A patent/JPS52100512A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS52100512A (en) | 1977-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5455000A (en) | Method for preparation of a functionally gradient material | |
KR100299397B1 (ko) | ííê·ìë¶ë§ì¶©ì ëì êž°íŽëŠ¬ì€ì¥ì°ìì¬ì©íë€ê³µì§ííê·ììžëŒë¯¹ì íìì ì¡°ë°©ë² | |
JP5177793B2 (ja) | çåã±ã€çŽ ã®è£œé æ¹æ³ | |
CA1083790A (en) | Silicon carbide sintered moldings and a method for producing said moldings | |
JPS5848505B2 (ja) | äž»ãšããŠïœïœïœãããªãã·ãªã³ã³ã«âãã€ãæ圢äœã®è£œé æ¹æ³ | |
JPS5830264B2 (ja) | ãã³ãŸã¯ããã«ããã·ãšãŠã±ãã»ã€ã±ã€ã¿ã€ãã»ã€ãŸãŠããŠã㊠| |
US6133396A (en) | Highly processable hyperbranched polymer precursors to controlled chemical and phase purity fully dense SiC | |
US5447893A (en) | Preparation of high density titanium carbide ceramics with preceramic polymer binders | |
US5449646A (en) | Preparation of high density zirconium diboride ceramics with preceramic polymer binders | |
JPH0741365A (ja) | é«å¯åºŠçåããŠçŽ ã»ã©ããã¯ã¹ã®è£œé æ¹æ³ | |
JPH0379306B2 (ja) | ||
JPS6227023B2 (ja) | ||
EP0694508B1 (en) | Preparation of high density titanium diboride ceramics with preceramic polymer binders | |
JPS593955B2 (ja) | é«åŒ·åºŠèç±æ§ã±ã€çŽ ååç©çŒææ圢äœã®è£œé æ¹æ³ | |
AU689270B2 (en) | Preparation of high density zirconium carbide ceramics with preceramic polymer binders | |
JP2741046B2 (ja) | çªåçªçŽ ããã³ïŒãããã¯çåçªçŽ ãåºãšããã»ã©ããã¯ã¹çµæç©ããã³ãã®è£œé æ¹æ³ãæ圢å©å€ | |
JPS5951514B2 (ja) | èç±æ§ççŽ ããã³é»é補åã®è£œé æ¹æ³ | |
JPS5910945B2 (ja) | èç±æ§ã»ã©ããã¯ã¹çŒçµæ圢äœã®è£œé æ¹æ³ | |
EP0771771A2 (en) | Sintering beta silicon carbide powder with a polysiloxane and multiple sintering aids | |
JPS5848504B2 (ja) | ã·ãŠãã·ã ïœïœïœ ãšãªãã« ã·ãªã³ã³ã«âãã€ãã·ãšãŠã±ãã»ã€ã±ã€ã¿ã€ã ã»ã€ãŸãŠããŠã㊠| |
JP3570676B2 (ja) | ã»ã©ããã¯ã¹å€åäœåã³ãã®è£œé æ¹æ³ | |
JPH0253390B2 (ja) | ||
JPS5848503B2 (ja) | ã·ãªã³ã³ã«âãã€ãã·ãšãŠã±ãã»ã€ã±ã€ã¿ã€ãã»ã€ãŸãŠããŠã㊠| |
JP2543353B2 (ja) | çªåçªçŽ 質çŒçµäœã®è£œé æ¹æ³ | |
JP3005650B2 (ja) | ååŠä¿®é£ŸçåçªçŽ ã»ã©ããã¯ç²æ«åã³çåçªçŽ ã»ã©ããã¯ã¹ã®äœè£œæ¹æ³ |