WO2009093560A1 - チタン酸アルミニウムマグネシウム-アルミナ複合セラミックス - Google Patents
チタン酸アルミニウムマグネシウム-アルミナ複合セラミックス Download PDFInfo
- Publication number
- WO2009093560A1 WO2009093560A1 PCT/JP2009/050726 JP2009050726W WO2009093560A1 WO 2009093560 A1 WO2009093560 A1 WO 2009093560A1 JP 2009050726 W JP2009050726 W JP 2009050726W WO 2009093560 A1 WO2009093560 A1 WO 2009093560A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- satisfies
- alumina
- source
- aluminum
- composition formula
- Prior art date
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000000919 ceramic Substances 0.000 title claims abstract description 48
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 title claims abstract description 38
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 89
- 239000011777 magnesium Substances 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 24
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 24
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 47
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 45
- 239000000395 magnesium oxide Substances 0.000 claims description 25
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 10
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 9
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052700 potassium Inorganic materials 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 229910052791 calcium Inorganic materials 0.000 claims description 8
- 229910021488 crystalline silicon dioxide Inorganic materials 0.000 claims description 7
- 238000000634 powder X-ray diffraction Methods 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims description 2
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 claims description 2
- 238000010304 firing Methods 0.000 description 19
- 239000010936 titanium Substances 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 17
- 239000000843 powder Substances 0.000 description 15
- 235000010215 titanium dioxide Nutrition 0.000 description 15
- 238000010298 pulverizing process Methods 0.000 description 14
- -1 aluminum alkoxide Chemical class 0.000 description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 239000010433 feldspar Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229940091250 magnesium supplement Drugs 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- RCYJPSGNXVLIBO-UHFFFAOYSA-N sulfanylidenetitanium Chemical compound [S].[Ti] RCYJPSGNXVLIBO-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 description 1
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- RVDLHGSZWAELAU-UHFFFAOYSA-N 5-tert-butylthiophene-2-carbonyl chloride Chemical compound CC(C)(C)C1=CC=C(C(Cl)=O)S1 RVDLHGSZWAELAU-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MPCRDALPQLDDFX-UHFFFAOYSA-L Magnesium perchlorate Chemical compound [Mg+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O MPCRDALPQLDDFX-UHFFFAOYSA-L 0.000 description 1
- MQHWFIOJQSCFNM-UHFFFAOYSA-L Magnesium salicylate Chemical compound [Mg+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O MQHWFIOJQSCFNM-UHFFFAOYSA-L 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 1
- JLDSOYXADOWAKB-UHFFFAOYSA-N aluminium nitrate Chemical class [Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O JLDSOYXADOWAKB-UHFFFAOYSA-N 0.000 description 1
- JPUHCPXFQIXLMW-UHFFFAOYSA-N aluminium triethoxide Chemical compound CCO[Al](OCC)OCC JPUHCPXFQIXLMW-UHFFFAOYSA-N 0.000 description 1
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- 229940063655 aluminum stearate Drugs 0.000 description 1
- KMJRBSYFFVNPPK-UHFFFAOYSA-K aluminum;dodecanoate Chemical compound [Al+3].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O KMJRBSYFFVNPPK-UHFFFAOYSA-K 0.000 description 1
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- IOGARICUVYSYGI-UHFFFAOYSA-K azanium (4-oxo-1,3,2-dioxalumetan-2-yl) carbonate Chemical compound [NH4+].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O IOGARICUVYSYGI-UHFFFAOYSA-K 0.000 description 1
- 229910001680 bayerite Inorganic materials 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- ZCLVNIZJEKLGFA-UHFFFAOYSA-H bis(4,5-dioxo-1,3,2-dioxalumolan-2-yl) oxalate Chemical compound [Al+3].[Al+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O ZCLVNIZJEKLGFA-UHFFFAOYSA-H 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical class [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- XZTWHWHGBBCSMX-UHFFFAOYSA-J dimagnesium;phosphonato phosphate Chemical compound [Mg+2].[Mg+2].[O-]P([O-])(=O)OP([O-])([O-])=O XZTWHWHGBBCSMX-UHFFFAOYSA-J 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 1
- 239000011654 magnesium acetate Substances 0.000 description 1
- 229940069446 magnesium acetate Drugs 0.000 description 1
- 235000011285 magnesium acetate Nutrition 0.000 description 1
- PJJZFXPJNUVBMR-UHFFFAOYSA-L magnesium benzoate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 PJJZFXPJNUVBMR-UHFFFAOYSA-L 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 239000004337 magnesium citrate Substances 0.000 description 1
- 229960005336 magnesium citrate Drugs 0.000 description 1
- 235000002538 magnesium citrate Nutrition 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000001755 magnesium gluconate Substances 0.000 description 1
- 229960003035 magnesium gluconate Drugs 0.000 description 1
- 235000015778 magnesium gluconate Nutrition 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- OVGXLJDWSLQDRT-UHFFFAOYSA-L magnesium lactate Chemical compound [Mg+2].CC(O)C([O-])=O.CC(O)C([O-])=O OVGXLJDWSLQDRT-UHFFFAOYSA-L 0.000 description 1
- 239000000626 magnesium lactate Substances 0.000 description 1
- 235000015229 magnesium lactate Nutrition 0.000 description 1
- 229960004658 magnesium lactate Drugs 0.000 description 1
- 229940105112 magnesium myristate Drugs 0.000 description 1
- UHNWOJJPXCYKCG-UHFFFAOYSA-L magnesium oxalate Chemical compound [Mg+2].[O-]C(=O)C([O-])=O UHNWOJJPXCYKCG-UHFFFAOYSA-L 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 229940072082 magnesium salicylate Drugs 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 229940057948 magnesium stearate Drugs 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 229960003390 magnesium sulfate Drugs 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- IAKLPCRFBAZVRW-XRDLMGPZSA-L magnesium;(2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanoate;hydrate Chemical compound O.[Mg+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O IAKLPCRFBAZVRW-XRDLMGPZSA-L 0.000 description 1
- DZBOAIYHPIPCBP-UHFFFAOYSA-L magnesium;2-methylprop-2-enoate Chemical compound [Mg+2].CC(=C)C([O-])=O.CC(=C)C([O-])=O DZBOAIYHPIPCBP-UHFFFAOYSA-L 0.000 description 1
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 1
- XSETZKVZGUWPFM-UHFFFAOYSA-N magnesium;oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Ti+4] XSETZKVZGUWPFM-UHFFFAOYSA-N 0.000 description 1
- DMRBHZWQMKSQGR-UHFFFAOYSA-L magnesium;tetradecanoate Chemical compound [Mg+2].CCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCC([O-])=O DMRBHZWQMKSQGR-UHFFFAOYSA-L 0.000 description 1
- YQXQWFASZYSARF-UHFFFAOYSA-N methanol;titanium Chemical compound [Ti].OC YQXQWFASZYSARF-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000010703 silicon Substances 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
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- JXJTWJYTKGINRZ-UHFFFAOYSA-J silicon(4+);tetraacetate Chemical compound [Si+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O JXJTWJYTKGINRZ-UHFFFAOYSA-J 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- 229910000348 titanium sulfate Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- GQUJEMVIKWQAEH-UHFFFAOYSA-N titanium(III) oxide Chemical compound O=[Ti]O[Ti]=O GQUJEMVIKWQAEH-UHFFFAOYSA-N 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- WOZZOSDBXABUFO-UHFFFAOYSA-N tri(butan-2-yloxy)alumane Chemical compound [Al+3].CCC(C)[O-].CCC(C)[O-].CCC(C)[O-] WOZZOSDBXABUFO-UHFFFAOYSA-N 0.000 description 1
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- MDDPTCUZZASZIQ-UHFFFAOYSA-N tris[(2-methylpropan-2-yl)oxy]alumane Chemical compound [Al+3].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-] MDDPTCUZZASZIQ-UHFFFAOYSA-N 0.000 description 1
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Definitions
- the present invention relates to an aluminum magnesium titanate-alumina composite ceramic, and more particularly to a ceramic containing aluminum magnesium titanate and alumina.
- Aluminum magnesium titanate is a ceramic containing Al, Mg and Ti as constituent elements, and is used as a ceramic having a small coefficient of thermal expansion.
- Patent Document 1 (WO 2004/039747) describes mechanical strength.
- the elemental composition ratio of Al, Mg and Ti is represented by the formula (1 ′) Al 2 (1-x) Mg x Ti (1 + x) O 5 (1 ') [Wherein x satisfies 0.1 ⁇ x ⁇ 1. ] What is indicated by is disclosed.
- the present inventors have intensively studied to develop ceramics having a low thermal expansion coefficient and excellent mechanical strength, and as a result, have reached the present invention.
- the present invention includes aluminum magnesium titanate and alumina, and the elemental composition ratio of Al, Mg and Ti is expressed by the composition formula (1).
- an aluminum magnesium titanate-alumina composite ceramic characterized in that x satisfies 0 ⁇ x ⁇ 1 and a satisfies 0.4x ⁇ a ⁇ 2x.
- the aluminum magnesium titanate-alumina composite ceramic of the present invention has a small thermal expansion coefficient comparable to that of a conventional aluminum magnesium titanate, and has superior mechanical strength.
- the aluminum magnesium titanate-alumina composite ceramic of the present invention contains aluminum magnesium titanate and alumina.
- Aluminum magnesium titanate is a solid solution of aluminum titanate [Al 2 TiO 5 ] and magnesium titanate [MgTi 2 O 5 ].
- x satisfies 0 ⁇ x ⁇ 1, usually 0.05 ⁇ x ⁇ 1.
- x When x is 0, it is easily decomposed at high temperature.
- a When a is less than 0.4x, the mechanical strength is insufficient, and when a exceeds 2x, the thermal expansion coefficient is large.
- a preferably satisfies 0.4x ⁇ a ⁇ 1.8x, and more preferably satisfies 0.4x ⁇ a ⁇ 1.5x.
- the aluminum magnesium titanate-alumina composite ceramic of the present invention may contain Si element.
- the elemental composition ratio of Al, Mg, Ti and Si is expressed by the composition formula (2).
- the composite ceramic of the present invention contains Si element, it does not substantially contain crystalline SiO 2 , specifically, a peak indicating crystalline SiO 2 does not appear in the powder X-ray diffraction spectrum. It is preferable in that it is difficult to perform and is stable.
- the composite ceramic of the present invention may contain Na element, K element or Ca element.
- the elemental composition ratio of Al, Mg, Ti, Si, Na, K and Ca is expressed by the composition formula.
- X satisfies 0 ⁇ x ⁇ 1, a satisfies 0.4x ⁇ a ⁇ 2x, b satisfies 0.05 ⁇ b ⁇ 0.4
- c, d, and e It is preferable that / 20 ⁇ c + d + e ⁇ b / 6 is satisfied.
- the alumina contained in the composite ceramic of the present invention is usually ⁇ -alumina.
- Alumina is usually contained in the form of fine particles, the particle diameter is usually in the range of 0.1 ⁇ m (minimum particle diameter) to 10 ⁇ m (maximum particle diameter), and the average particle diameter is usually 0.5 ⁇ m to 5 ⁇ m. .
- the aluminum magnesium titanate-alumina composite ceramic of the present invention contains an alumina source, a magnesia source and a titania source, and when the elemental composition ratio of Al, Mg and Ti is represented by the composition formula (1), x is 0 ⁇ x ⁇ 1, and can be produced by a method of firing a mixture in which a satisfies 0.4x ⁇ a ⁇ 2x.
- the alumina source contained in the above mixture is an aluminum component that constitutes aluminum magnesium titanate and a compound that becomes an aluminum component that constitutes alumina, and examples thereof include alumina (aluminum oxide) powder.
- alumina aluminum oxide
- Examples of the crystal type of alumina include ⁇ type, ⁇ type, ⁇ type, and ⁇ type, and may be amorphous.
- As the alumina ⁇ -type alumina is preferable.
- Examples of the alumina source include compounds that are led to alumina by firing alone in air.
- Examples of such a compound include an aluminum salt, aluminum alkoxide, aluminum hydroxide, and metal aluminum.
- the aluminum salt may be an inorganic salt with an inorganic acid or an organic salt with an organic acid.
- the aluminum inorganic salt include aluminum nitrates such as aluminum nitrate and ammonium nitrate, and aluminum carbonates such as ammonium aluminum carbonate.
- the aluminum organic salt include aluminum oxalate, aluminum acetate, aluminum stearate, aluminum lactate, and aluminum laurate.
- aluminum alkoxide examples include aluminum isopropoxide, aluminum ethoxide, aluminum sec-butoxide, aluminum tert-butoxide and the like.
- Examples of the aluminum hydroxide crystal type include a gibbsite type, a bayerite type, a norosotrandite type, a boehmite type, and a pseudo-boehmite type, and may be amorphous (amorphous).
- Examples of the amorphous aluminum hydroxide include an aluminum hydrolyzate obtained by hydrolyzing an aqueous solution of a water-soluble aluminum compound such as an aluminum salt or an aluminum alkoxide.
- the alumina source is preferably alumina.
- the magnesia source is a compound that becomes a magnesium component constituting aluminum magnesium titanate, and examples thereof include magnesia (magnesium oxide) powder.
- magnesia sources include compounds that are led to magnesia by firing alone in air.
- examples of such a compound include magnesium salt, magnesium alkoxide, magnesium hydroxide, magnesium nitride, and magnesium metal.
- magnesium salts include magnesium chloride, magnesium perchlorate, magnesium phosphate, magnesium pyrophosphate, magnesium oxalate, magnesium nitrate, magnesium carbonate, magnesium acetate, magnesium sulfate, magnesium citrate, magnesium lactate, and magnesium stearate.
- magnesium salts include magnesium chloride, magnesium perchlorate, magnesium phosphate, magnesium pyrophosphate, magnesium oxalate, magnesium nitrate, magnesium carbonate, magnesium acetate, magnesium sulfate, magnesium citrate, magnesium lactate, and magnesium stearate.
- magnesium salts include magnesium chloride, magnesium perchlorate, magnesium phosphate, magnesium pyrophosphate, magnesium oxalate, magnesium nitrate, magnesium carbonate, magnesium acetate, magnesium sulfate, magnesium citrate, magnesium lactate, and magnesium stearate.
- magnesium alkoxide examples include magnesium methoxide and magnesium ethoxide.
- magnesia source a compound serving as both a magnesia source and an alumina source can also be used.
- An example of such a compound is magnesia spinel (MgAl 2 O 4 ).
- the titania source is a compound that becomes a titanium component constituting aluminum magnesium titanate, and examples thereof include titanium oxide.
- titanium oxide examples include titanium (IV) oxide, titanium (III) oxide, and titanium (II) oxide. Titanium (IV) oxide is preferably used.
- the crystalline form of titanium oxide (IV) include anatase type, rutile type, brookite type and the like, and it may be amorphous, more preferably anatase type and rutile type.
- titania source examples include a powder of a compound that is led to titania (titanium oxide) by firing alone in the air.
- examples of such compounds include titanium salts, titanium alkoxides, titanium hydroxide, titanium nitride, titanium sulfide, and titanium metal.
- titanium salts include titanium trichloride, titanium tetrachloride, titanium sulfide (IV), titanium sulfide (VI), and titanium sulfate (IV).
- titanium alkoxides include titanium (IV) ethoxide, titanium (IV) methoxide, titanium (IV) t-butoxide, titanium (IV) isobutoxide, titanium (IV) n-propoxide, titanium (IV) tetraisopropoxy. And chelating products thereof.
- Titanium oxide is preferable as the titania source.
- Such alumina source, magnesia source and titania source are usually used in powder form.
- the mixture containing an alumina source, a magnesia source and a titania source may further contain a silica source.
- the mixture contains a silica source
- the aluminum magnesium titanate-alumina composite ceramic of the present invention which is superior in mechanical strength, can be easily produced.
- the silica source is a compound that can be contained in the aluminum magnesium titanate-alumina composite ceramic as a silicon component, and examples thereof include silicon oxide (silica) such as silicon dioxide and silicon monoxide.
- Examples of the silica source include a powder of a compound that is led to silica by firing alone in air.
- examples of such compounds include silicic acid, silicon carbide, silicon nitride, silicon sulfide, silicon tetrachloride, silicon acetate, sodium silicate, sodium orthosilicate, glass frit and the like, and are preferably easily available industrially. In some respects, such as glass frit.
- a compound also serving as an alumina source can be used.
- Such a compound includes, for example, at least one element selected from Na, K and Ca, Si and Al, and the elemental composition is represented by the composition formula (4).
- Z is an aluminosilicate satisfying 6 ⁇ z ⁇ 12, preferably 7 ⁇ z ⁇ 11.
- Such an aluminum silicate is called feldspar and may be a natural product or a synthetic product, and the synthetic product is easily available industrially.
- x is 0 ⁇ x ⁇ 1 when the elemental composition ratio of Al, Mg, Ti, Si, Na, K, and Ca is represented by the composition formula (3).
- A satisfies 0.4x ⁇ a ⁇ 2x
- b satisfies 0.05 ⁇ b ⁇ 0.4
- c, d, and e satisfy b / 20 ⁇ c + d + e ⁇ b / 6. It is preferable. More preferably, 0.05 ⁇ b ⁇ 0.10 is satisfied, and c, d and e satisfy 0 ⁇ c, 0 ⁇ d and 0 ⁇ e, and particularly preferably 0 ⁇ e ⁇ c and 0 ⁇ . e ⁇ d is satisfied.
- Such a mixture can be obtained, for example, by mixing an alumina source, a magnesia source and a titania source. Mixing may be performed dry or wet.
- an alumina source, a magnesia source, and a titania source may be mixed.
- a pulverization medium in a pulverization vessel mixing while pulverization can be performed, and aluminum magnesium titanate having a uniform composition.
- -Alumina composite ceramics are preferable in that they can be produced.
- an alumina source, a magnesia source, and a titania source may be stirred together with the silica source in a pulverization vessel.
- the grinding media include alumina beads and zirconia beads having a particle diameter of 1 mm to 100 mm, preferably 5 mm to 50 mm.
- the amount of the grinding media used is usually 1 to 1000 times, preferably 5 times the total amount of the raw materials, that is, the alumina source, the magnesia source and the titania source, and the silica source when the silica source is used. Double to 100 mass times.
- the pulverization is performed, for example, by putting the raw material and the pulverization medium into the pulverization container and then vibrating or rotating the pulverization container.
- the raw material powder is agitated and mixed with the pulverization media and pulverized.
- a normal pulverizer such as a vibration mill, a ball mill, a planetary mill, a pin mill such as a high-speed rotary pulverizer, and the like can be used.
- a vibration mill is preferably used.
- the amplitude is usually 2 mm to 20 mm, preferably 12 mm or less.
- the pulverization may be performed continuously or batchwise, but is preferably performed continuously because it is easy to implement on an industrial scale.
- the time required for grinding is usually 1 minute to 6 hours, preferably 1.5 minutes to 2 hours.
- additives such as pulverization aids and peptizers may be added.
- the grinding aid examples include alcohols such as methanol, ethanol and propanol, glycols such as propylene glycol, polypropylene glycol and ethylene glycol, amines such as triethanolamine, higher fatty acids such as palmitic acid, stearic acid and oleic acid. Carbon materials such as carbon black and graphite, and these are used alone or in combination of two or more.
- the total use amount thereof is generally 0.1 per 100 parts by mass of the total use amount of the raw materials, that is, the total use amount of the titania source, the alumina source and the magnesia source and, when using the silica source, the silica source. 1 to 10 parts by mass, preferably 0.5 to 5 parts by mass, more preferably 0.75 to 4 parts by mass.
- the aluminum magnesium titanate-alumina composite ceramic of the present invention can be obtained.
- Calcination may be performed while the mixture is powdered or may be fired after being formed.
- the powdery mixture can be molded by a method such as a press molding method.
- the firing temperature is usually from 1300 ° C. to 1600 ° C., preferably from 1400 ° C. to 1550 ° C. in terms of practicality, in addition to the easy production of aluminum magnesium titanate.
- the heating rate up to the firing temperature is usually 10 ° C./hour to 500 ° C./hour.
- Firing is usually performed in the air, but the raw materials used, that is, the alumina source, the magnesia source and the titania source, and when a silica source is used, depending on the type and amount ratio of the silica source, nitrogen gas, argon gas, etc. It may be fired in an inert gas or may be fired in a reducing gas such as carbon monoxide gas or hydrogen gas. Further, the firing may be performed by lowering the water vapor partial pressure in the atmosphere.
- Calcination is usually performed using a normal firing furnace such as a tubular electric furnace, a box-type electric furnace, a tunnel furnace, a far-infrared furnace, a microwave heating furnace, a shaft furnace, a reflection furnace, a rotary furnace, or a roller hearth furnace. Firing may be performed batchwise or continuously. Moreover, you may carry out by a stationary type and may carry out by a fluid type.
- a normal firing furnace such as a tubular electric furnace, a box-type electric furnace, a tunnel furnace, a far-infrared furnace, a microwave heating furnace, a shaft furnace, a reflection furnace, a rotary furnace, or a roller hearth furnace.
- Firing may be performed batchwise or continuously.
- you may carry out by a stationary type and may carry out by a fluid type.
- the time required for firing is sufficient as long as aluminum magnesium titanate is produced from the mixture, and varies depending on the amount of the mixture used, the type of firing furnace, firing temperature, firing atmosphere, etc., but usually 10 minutes to 24 minutes. It's time.
- the powdered aluminum magnesium titanate-alumina composite ceramic obtained by firing can be formed by a usual method, for example, a method of forming by adding water or the like. By sintering the formed body, A sintered body can also be obtained.
- the value of x can be controlled by the use amounts of the magnesium source and the titanium source and the firing conditions (pressure, temperature, etc.).
- the value of a can be controlled by the amounts of magnesium source and titanium source used, and when a compound that also serves as the silica source is used as the silica source.
- the value of b can be controlled by the amount of silica source used, and the values of c, d, and e can be controlled by the composition and amount of use when aluminosilicate is used as the silica source.
- Example 1 Titanium oxide powder 44.0 parts by mass, ⁇ -alumina powder 50.2 parts by mass, magnesium oxide 1.7 parts by mass and powdered feldspar 4.1 parts by mass together with an alumina ball (diameter 15 mm) in a pulverization vessel, The mixture was stirred by a ball mill in a dry manner for 6 hours to obtain a powdery mixture.
- Titanium oxide powder TiO 2 , DuPont, “R-900” ⁇ -alumina powder: Al 2 O 3 , Sumitomo Chemical Co., Ltd., “AES-12”, NaO content 0.08 mass%, CaO content 0.02 mass%
- 3 g of the obtained powdery mixture was weighed and molded into a disk shape having a diameter of 20 mm and a thickness of about 3 mm with a uniaxial press at a molding pressure of 200 kgf / cm 2 [19.6 MPa] in the mold.
- a molded body was obtained.
- This mixture formed body was heated to 1450 ° C. in a box-type electric furnace at a heating rate of 300 ° C./hour in the atmosphere, and was fired by holding at the same temperature for 4 hours to obtain a ceramic formed body.
- the ceramic molded body was pulverized to obtain a powder X-ray diffraction spectrum.
- a powder X-ray diffraction spectrum although a diffraction peak indicating a crystalline phase of aluminum magnesium titanate and a crystalline phase of ⁇ -alumina appeared, a peak indicating crystalline SiO 2 did not appear.
- the mixture obtained above was used in the same manner as above except that the mold was changed to obtain a 3 mm ⁇ 4 mm ⁇ 40 mm rectangular parallelepiped mixture molded body, a ceramic molded body, and a room temperature using a three-point bending tester When the three-point bending strength was measured, the result was 30 MPa.
- thermomechanical analyzer manufactured by Shimadzu Corporation, According to “TA-50”
- the temperature was increased from room temperature to 800 ° C. at 600 ° C./hour, and the coefficient of thermal expansion was calculated from the slope of the thermal expansion curve between 300 and 800 ° C. to find 1.9 ⁇ 10 ⁇ 6. K- 1 .
- Comparative Example 1 The amount of titanium oxide powder used is 44.8 parts by mass, the amount of ⁇ -alumina powder used is 48.6 parts by mass, the amount of magnesium oxide used is 1.7 parts by mass, and the amount of powdered feldspar used is 4.9 parts by mass.
- a mixture was obtained in the same manner as in Example 1 except that a ceramic molded body was obtained.
- Example 2 Using the mixture obtained above and the same mold as used in Example 1, the same operation as in Example 1 was carried out to obtain a 3 mm ⁇ 4 mm ⁇ 40 mm rectangular parallelepiped mixture molded body, to obtain a ceramic molded body. The bending strength was measured and found to be 22 MPa.
- Example 2 Using the mixture obtained above and the same mold as used in Example 1, the same operation as in Example 1 was performed to obtain a 4 mm ⁇ 4 mm ⁇ 12 mm rectangular parallelepiped mixture formed body, a ceramic formed body, The expansion coefficient was calculated to be 1.7 ⁇ 10 ⁇ 6 K ⁇ 1 .
- Comparative Example 2 The amount of titanium oxide powder used is 41.4 parts by mass, the amount of ⁇ -alumina powder used is 52.8 parts by mass, the amount of magnesium oxide used is 1.6 parts by mass, and the amount of powdered feldspar used is 4.2 parts by mass.
- a mixture was obtained in the same manner as in Example 1 except that a ceramic molded body was obtained.
- Example 2 Using the mixture obtained above and the same mold as used in Example 1, the same operation as in Example 1 was performed to obtain a 4 mm ⁇ 4 mm ⁇ 12 mm rectangular parallelepiped mixture formed body, a ceramic formed body, When the expansion coefficient was calculated, it was 2.9 ⁇ 10 ⁇ 6 K ⁇ 1 .
- the aluminum magnesium titanate-alumina composite ceramic of the present invention includes, for example, an exhaust gas filter used for exhaust gas purification of internal combustion engines such as crucibles, setters, mortars, furnace materials such as furnace materials, diesel engines, gasoline engines, Ceramics such as a catalyst carrier, a filter used for filtering food and drink such as beer, a gas permeation generated during petroleum refining, for example, carbon monoxide, carbon dioxide, and a selective permeation filter for selectively permeating nitrogen, oxygen, etc. It is suitable as an electronic component such as a filter, a substrate, and a capacitor.
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Abstract
Description
Al2(1-x)MgxTi(1+x)O5 ・・・・・・・・・(1’)
〔式中、xは0.1≦x<1を満足する。〕
で示されるものが開示されている。
Al2(1-x)MgxTi(1+x)O5+aAl2O3 ・・・(1)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足することを特徴とするチタン酸アルミニウムマグネシウム-アルミナ複合セラミックスを提供するものである。
本発明のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックスは、チタン酸アルミニウムマグネシウムおよびアルミナを含む。
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2 ・・・・・・・・・・・・・・・・・(2)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足することが好ましい。
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2
+cNa2O+dK2O+eCaO ・・・・・・・・(3)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xを、bは0.05≦b≦0.4をそれぞれ満足し、c、dおよびeは、b/20≦c+d+e≦b/6を満足することが好ましい。(c+d+e)がb/20未満では、結晶性SiO2が生じ易くなる。(c+d+e)がb/6以下であると、機械的強度の点で有利である。さらに好ましくは、c、dおよびeが0<c、0<dおよび0<eを満足していて、Na元素、K元素およびCa元素を含むこと、特に好ましくは、0<e<cおよび0<e<dを満足していて、NaおよびKがCaよりも多いことが、とりわけ、e≦0.004であることが、機械的強度、熱膨張係数のほか、高温安定性、すなわち高温での連続使用してもチタン酸アルミニウムマグネシウムが、Al2O3、MgO、TiO2などに分解しにくい点で、有利である。
本発明のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックスは、アルミナ源、マグネシア源およびチタニア源を含み、Al、MgおよびTiの元素組成比を組成式(1)で示したときに、xが0<x≦1を、aが0.4x≦a<2xをそれぞれ満足する混合物を焼成する方法により製造することができる。
(c'Na2O,d'K2O、e'CaO)・yAl2O3・zSiO2 ・・・(4)
で示したときに、c'、d'およびe'はc'+d'+e'=1を、yは0.4≦y≦1.2(好ましくは、0.6≦y≦1.1)を、zは6≦z≦12、好ましくは7≦z≦11をそれぞれ満足するアルミノケイ酸塩が挙げられる。かかるアルミのケイ酸塩は、長石と呼ばれ、天然物であっても良いし、合成品であっても良く、合成品は工業的に容易に入手できる。
以下の酸化チタン粉末44.0質量部、αアルミナ粉末50.2質量部、酸化マグネシウム1.7質量部および粉末状長石4.1質量部をアルミナ製ボール〔直径15mm〕と共に粉砕容器に入れ、ボールミルにより乾式にて6時間撹拌することにより混合して、粉末状の混合物を得た。
αアルミナ粉末:Al2O3、住友化学(株)、「AES-12」、NaO含有量0.08質量%、CaO含有量0.02質量%
酸化マグネシウム:MgO、タテホ社製、「H-10」、CaO含有量0.37質量%
粉末状長石:福島長石、元素組成を式(4)で示したときにc'=0.27、d'=0.64、e'=0.09、y=1.08、z=10.4
酸化チタン粉末の使用量を44.8質量部、αアルミナ粉末の使用量を48.6質量部、酸化マグネシウムの使用量を1.7質量部、粉末状長石の使用量を4.9質量部とした以外は実施例1と同様に操作して混合物を得、セラミックス成形体を得た。このセラミックス成形体の元素組成は、組成式(3)で示したときに、x=0.08、a=0.02、b=0.09である。
酸化チタン粉末の使用量を41.4質量部、αアルミナ粉末の使用量を52.8質量部、酸化マグネシウムの使用量を1.6質量部、粉末状長石の使用量を4.2質量部とした以外は実施例1と同様に操作して混合物を得、セラミックス成形体を得た。このセラミックス成形体の元素組成は、組成式(3)で示したときに、x=0.08、a=0.19、b=0.09である。
Claims (11)
- チタン酸アルミニウムマグネシウムおよびアルミナを含み、
Al、MgおよびTiの元素組成比を組成式(1)
Al2(1-x)MgxTi(1+x)O5+aAl2O3 ・・・(1)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足することを特徴とするチタン酸アルミニウムマグネシウム-アルミナ複合セラミックス。 - Si元素を含み、Al、Mg、TiおよびSiの元素組成比を組成式(2)
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2 ・・・・・・・・・・・・・・・・・(2)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xを、bは0.05≦b≦0.4をそれぞれ満足する請求項1に記載のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックス。 - Na元素、K元素またはCa元素を含み、Al、Mg、Ti、Si、Na、KおよびCaの元素組成比を組成式(3)
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2
+cNa2O+dK2O+eCaO ・・・・・・・・(3)
で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足し、c、dおよびeは、b/20≦c+d+e≦b/6を満足する請求項2に記載のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックス。 - 粉末X線回折スペクトルに結晶性SiO2を示すピークが現れない請求項2または請求項3に記載のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックス。
- アルミナが平均粒子径0.5μm~5μmの粒子状で含まれる請求項1~請求項4のいずれかに記載のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックス。
- アルミナ源、マグネシア源およびチタニア源を含み、Al、MgおよびTiの元素組成比を組成式(1)で示したときに、xが0<x≦1を、aが0.4x≦a<2xをそれぞれ満足する混合物を焼成することを特徴とする請求項1に記載のチタン酸アルミニウムマグネシウム-アルミナ複合セラミックスの製造方法。
- 前記混合物がシリカ源を含み、Al、Mg、TiおよびSiの元素組成比を組成式(2)で示したときにxは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足する混合物である請求項6に記載の製造方法。
- 前記混合物が、以下のアルミノケイ酸塩を含み、Al、Mg、Ti、Si、Na、KおよびCaの元素組成比を組成式(3)で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足し、c、dおよびeは、b/20≦c+d+e≦b/6を満足する混合物である請求項6に記載の製造方法。
アルミノケイ酸塩:Na、KおよびCaから選ばれる少なくとも一つの元素、SiおよびAlを含み、元素組成を組成式(4)
(c'Na2O,d'K2O、e'CaO)・yAl2O3・zSiO2 ・・・(4)
で示し、c'、d'およびe'がc'+d'+e'=1を満足するときに、yは0.4≦y≦1.2を、zは6≦z≦12をそれぞれ満足するアルミノケイ酸塩 - アルミナ源、マグネシア源およびチタニア源を含み、Al、MgおよびTiの元素組成比を組成式(1)で示したときに、xが0<x≦1を、aが0.4x≦a<2xをそれぞれ満足する混合物。
Al2(1-x)MgxTi(1+x)O5+aAl2O3 ・・・(1) - 前記混合物がシリカ源を含み、Al、Mg、TiおよびSiの元素組成比を組成式(2)で示したときにxは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足する請求項9に記載の混合物。
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2 ・・・・・・・・・・・・・・・・・(2) - 組成式(4)に示すアルミノケイ酸塩を含み、Al、Mg、Ti、Si、Na、KおよびCaの元素組成比を組成式(3)で示したときに、xは0<x≦1を、aは0.4x≦a<2xをそれぞれ満足し、bは0.05≦b≦0.4を満足し、c、dおよびeは、b/20≦c+d+e≦b/6を満足する混合物。
Al2(1-x)MgxTi(1+x)O5+aAl2O3
+bSiO2
+cNa2O+dK2O+eCaO ・・・・・・・・(3)
アルミノケイ酸塩:Na、KおよびCaから選ばれる少なくとも一つの元素、SiおよびAlを含み、元素組成を組成式(4)
(c'Na2O,d'K2O、e'CaO)・yAl2O3・zSiO2 ・・・(4)
で示し、c'、d'およびe'がc'+d'+e'=1を満足するときに、yは0.4≦y≦1.2を、zは6≦z≦12をそれぞれ満足するアルミノケイ酸塩
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---|---|---|---|---|
WO2010074260A1 (ja) * | 2008-12-26 | 2010-07-01 | 住友化学株式会社 | チタン酸アルミニウム系セラミックス焼結体の製造方法およびチタン酸アルミニウム系セラミックス焼結体 |
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- 2009-01-20 US US12/863,675 patent/US20110097582A1/en not_active Abandoned
- 2009-01-20 KR KR1020107017031A patent/KR20100120130A/ko active IP Right Grant
- 2009-01-20 WO PCT/JP2009/050726 patent/WO2009093560A1/ja active Application Filing
- 2009-01-20 EP EP09704332A patent/EP2239245A4/en not_active Withdrawn
- 2009-01-21 TW TW098102303A patent/TW200944487A/zh unknown
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010074260A1 (ja) * | 2008-12-26 | 2010-07-01 | 住友化学株式会社 | チタン酸アルミニウム系セラミックス焼結体の製造方法およびチタン酸アルミニウム系セラミックス焼結体 |
WO2011008938A1 (en) * | 2009-07-15 | 2011-01-20 | E.I. Du Pont De Nemours And Company | Aluminium magnesium titanate composite ceramics |
WO2011027904A1 (ja) * | 2009-09-03 | 2011-03-10 | 住友化学株式会社 | チタン酸アルミニウム系焼成体の製造方法およびチタン酸アルミニウム系焼成体 |
JP2011051854A (ja) * | 2009-09-03 | 2011-03-17 | Sumitomo Chemical Co Ltd | チタン酸アルミニウム系焼成体の製造方法およびセラミックス成形体 |
JP2011207744A (ja) * | 2010-03-08 | 2011-10-20 | Sumitomo Chemical Co Ltd | 多孔質チタン酸アルミニウムマグネシウムの製造方法および多孔質チタン酸アルミニウムマグネシウム |
CN102781873A (zh) * | 2010-03-08 | 2012-11-14 | 住友化学株式会社 | 多孔钛酸铝镁的制造方法及多孔钛酸铝镁 |
US20130048905A1 (en) * | 2010-03-08 | 2013-02-28 | Tetsuro Tohma | Method for producing porous aluminum magnesium titanate and porous aluminum magnesium titanate |
US8921249B2 (en) | 2010-03-08 | 2014-12-30 | Sumitomo Chemical Company, Limited | Method for producing porous aluminum magnesium titanate and porous aluminum magnesium titanate |
JP2020021641A (ja) * | 2018-08-01 | 2020-02-06 | 株式会社エコ・アール | リチウム二次電池用セパレータ |
Also Published As
Publication number | Publication date |
---|---|
EP2239245A4 (en) | 2011-02-02 |
EP2239245A1 (en) | 2010-10-13 |
CN101925557A (zh) | 2010-12-22 |
JP4903821B2 (ja) | 2012-03-28 |
JP2009196881A (ja) | 2009-09-03 |
TW200944487A (en) | 2009-11-01 |
KR20100120130A (ko) | 2010-11-12 |
CN101925557B (zh) | 2014-06-04 |
US20110097582A1 (en) | 2011-04-28 |
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