JP2010138036A - チタン酸アルミニウム系焼成体の製造方法 - Google Patents
チタン酸アルミニウム系焼成体の製造方法 Download PDFInfo
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- JP2010138036A JP2010138036A JP2008315945A JP2008315945A JP2010138036A JP 2010138036 A JP2010138036 A JP 2010138036A JP 2008315945 A JP2008315945 A JP 2008315945A JP 2008315945 A JP2008315945 A JP 2008315945A JP 2010138036 A JP2010138036 A JP 2010138036A
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- Japan
- Prior art keywords
- source powder
- aluminum
- powder
- terms
- titanium
- 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.)
- Granted
Links
- 229910000505 Al2TiO5 Inorganic materials 0.000 title claims abstract description 67
- 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 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 258
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000010936 titanium Substances 0.000 claims abstract description 86
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 85
- 239000002994 raw material Substances 0.000 claims abstract description 79
- 239000002245 particle Substances 0.000 claims abstract description 78
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 68
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000000203 mixture Substances 0.000 claims abstract description 63
- 239000011777 magnesium Substances 0.000 claims abstract description 51
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 50
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000010304 firing Methods 0.000 claims description 66
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 239000010703 silicon Substances 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 32
- 230000001186 cumulative effect Effects 0.000 claims description 25
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 21
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 21
- 239000011521 glass Substances 0.000 claims description 21
- 238000007561 laser diffraction method Methods 0.000 claims description 12
- 239000010433 feldspar Substances 0.000 claims description 4
- 238000005979 thermal decomposition reaction Methods 0.000 abstract description 19
- 239000000919 ceramic Substances 0.000 abstract description 13
- 230000002349 favourable effect Effects 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 49
- 229940091250 magnesium supplement Drugs 0.000 description 44
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 35
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 20
- 150000001875 compounds Chemical class 0.000 description 20
- 239000011148 porous material Substances 0.000 description 19
- 235000010215 titanium dioxide Nutrition 0.000 description 19
- -1 aluminum magnesium magnesium Chemical compound 0.000 description 16
- 239000013078 crystal Substances 0.000 description 16
- 239000000395 magnesium oxide Substances 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000012360 testing method Methods 0.000 description 11
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 9
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 238000013001 point bending Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 229910052596 spinel Inorganic materials 0.000 description 5
- 239000011029 spinel Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005238 degreasing Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000004570 mortar (masonry) Substances 0.000 description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 238000000634 powder X-ray diffraction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 230000000996 additive effect Effects 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
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-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
- 229910020068 MgAl Inorganic materials 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002902 bimodal effect Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 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
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 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
- 238000005245 sintering Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- RCYJPSGNXVLIBO-UHFFFAOYSA-N sulfanylidenetitanium Chemical compound [S].[Ti] RCYJPSGNXVLIBO-UHFFFAOYSA-N 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000000930 thermomechanical effect Effects 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
- 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
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-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
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- 229920001732 Lignosulfonate Polymers 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
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 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
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-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
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 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
- 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
- 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
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005336 cracking Methods 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
- 238000009792 diffusion process Methods 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
- FZFYOUJTOSBFPQ-UHFFFAOYSA-M dipotassium;hydroxide Chemical compound [OH-].[K+].[K+] FZFYOUJTOSBFPQ-UHFFFAOYSA-M 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 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
- 239000012530 fluid Substances 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
- 238000000227 grinding Methods 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
- 239000012535 impurity Substances 0.000 description 1
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Abstract
【解決手段】アルミニウム源粉末、チタニウム源粉末およびマグネシウム源粉末を含む原料混合物の成形体を焼成する工程を備え、該チタニウム源粉末が、特定の粒径分布特性を示すチタン酸アルミニウム系焼成体の製造方法である。該原料混合物中における、Al2O3換算でのアルミニウム源粉末とTiO2換算でのチタニウム源粉末とのモル比は、35:65〜45:55の範囲内であり、かつ、Al2O3換算でのアルミニウム源粉末とTiO2換算でのチタニウム源粉末との合計量に対する、MgO換算でのマグネシウム源粉末の量は、モル比で0.03〜0.15の範囲内であることが好ましい。
【選択図】なし
Description
(V0.5-3+V15-75)/Vtotal≧0.7 (1)
1/2≦V15-75/V0.5-3≦3/2 (2)
ここで、上記式(1)および(2)中、V0.5-3は粒径0.5〜3μmの累積頻度、V15-75は粒径15〜75μmの累積頻度、Vtotalは粒径0.1μm以上の累積頻度である。
(V0.5-3+V15-75)/Vtotal≧0.7 (1)
1/2≦V15-75/V0.5-3≦3/2 (2)
上記式(1)および(2)中、V0.5-3は粒径0.5〜3μmの累積頻度、V15-75は粒径15〜75μmの累積頻度、Vtotalは粒径0.1μm以上の累積頻度である。
焼成前(押し出し成形後)のハニカム形状の成形体と、焼成後の成形体の押し出し断面方向(成形体における押し出し方向とは垂直な方向の断面)の長さ(隔壁ピッチ幅)を、それぞれ5点測定し、それらの値を平均することに得られる焼成前の平均長さおよび焼成後の平均長さから、下記式に基づき焼成収縮率を算出した。
焼成収縮率(%)={1−(焼成後の平均長さ)/(焼成前の平均長さ)}×100
チタン酸アルミニウム化率(AT化率)は、粉末X線回折スペクトルにおける2θ=27.4°の位置に現れるピーク〔チタニア・ルチル相(110)面〕の積分強度(IT)と、2θ=33.7°の位置に現れるピーク〔チタン酸アルミニウムマグネシウム相(230)面〕の積分強度(IAT)とから、下記式により算出した。
AT化率=IAT/(IT+IAT)×100(%)
得られたチタン酸アルミニウム系焼成体から、約4mm×4mm×50mmの試験片を切り出した。ついで、この試験片に対して、300℃/hの昇温速度で1100℃まで昇温し、同温度で48時間保持した後、300℃/hの降温速度で室温まで冷却する熱処理を施した。当該熱処理を行なう前のAT化率R0(%)と熱処理を行なった後のAT化率R(%)を上記方法により測定し、熱処理による焼成体中のチタンアルミニウムマグネシウム結晶の減少率として、下記式に基づき、耐熱分解率を求めた。
耐熱分解率(%)=(R/R0)×100
チタン酸アルミニウム系焼成体から、原料混合物の押し出し成形時の押出し方向に長さ50mm、幅5mm、厚さ5mm程度の直方体形状に切り出した。この切り出した焼成体の外表面を紙やすり(#1500)を用いて凹凸がなくなるまで研磨した。得られたサンプルの三点曲げ強度を、JIS R 1601に準拠した方法により測定した。
チタン酸アルミニウム系焼成体から、約4mm×4mm×10mmの試験片を切り出した。ついで、この試験片に対して、200℃/hの昇温速度で1000℃まで昇温し、直ちに室温(25℃)まで冷却する熱処理を施した。熱処理を施した試験片について、熱機械的分析装置(SIIテクノロジー(株)製 TMA6300)を用いて、室温(25℃)から1000℃まで600℃/hで昇温させた際の試験片の膨張率から、下記式に基づき、熱膨張係数〔K-1〕を算出した。
熱膨張係数〔K-1〕=試験片の膨張率/975〔K〕
ここで、試験片の膨張率とは、
(1000℃まで昇温させたときの試験片の体積−昇温前(25℃)における試験片の体積)/(昇温前(25℃)における試験片の体積)
を意味する。
0.4gの焼成体を砕き、得られた約2mm角の小片を、120℃で4時間、空気中で、電気炉を用いて乾燥させた後、水銀圧入法により、細孔半径測定範囲0.001〜100.0μmまで測定し、頻度の最大値を示す細孔半径を得た。この細孔半径を2倍した値を細孔径(モード径)とした。測定装置には、Micromeritics社製の「オートポアIII9420」を用いた。
JIS R1634に準拠した、水中浸漬によるアルキメデス法により、焼成体の水中重量M2(g)、飽水重量M3(g)および乾燥重量M1(g)を測定し、下記式により開気孔率を算出した。
開気孔率(%)=100×(M3−M1)/(M3−M2)
原料粉末の、粒径分布および体積基準の累積百分率50%相当粒子径(D50)は、レーザ回折式粒度分布測定装置〔日機装社製「Microtrac HRA(X−100)」〕を用いて測定した。
原料粉末として以下のものを用いた。なお、各原料粉末の「質量%」は、原料粉末(アルミニウム源粉末、チタニウム源粉末、マグネシウム源粉末およびケイ素源粉末)の合計量を100質量%としたときの値である。下記の原料粉末の仕込み組成は、アルミナ〔Al2O3〕、チタニア〔TiO2〕、マグネシア〔MgO〕およびシリカ〔SiO2〕換算のモル比で、〔Al2O3〕/〔TiO2〕/〔MgO〕/〔SiO2〕=34.3%/50.2%/9.4%/6.1%である。
(1)アルミニウム源粉末
D50が33μmの酸化アルミニウム粉末(α−アルミナ粉末) 28質量%
(2)チタニウム源粉末
下記表1および図1に示される粒径分布を有するD50が1.8μmの酸化チタンA(ルチル型結晶) 48質量%
(3)マグネシウム源粉末
D50が5.5μmのマグネシアスピネル粉末 18質量%
(4)ケイ素源粉末
D50が8.5μmのガラスフリット(タカラスタンダード社製「CK0832」) 6質量%
上記アルミニウム源粉末、チタニウム源粉末、マグネシウム源粉末およびケイ素源粉末からなる混合物に、該混合物100質量部に対して、バインダとしてメチルセルロース 7.5質量部、界面活性剤としてポリオキシアルキレンアルキルエーテル 9.3質量部、および、潤滑剤としてグリセリン 0.8質量部を加え、さらに、分散媒として水を38質量部加えた後、混練機を用いて混練することにより、坏土(成形用原料混合物)を調製した。ついで、この坏土を押し出し成形することにより、ハニカム形状の成形体を作製した。得られた成形体を、大気雰囲気下で、バインダを除去する仮焼(脱脂)工程を含む焼成を行ない、ハニカム形状の多孔質焼成体(ハニカム構造体)を得た。焼成時の最高温度は、1450℃とし、最高温度での保持時間は5時間とした。
以下の原料粉末および添加剤を用いたこと以外は、実施例1と同様にしてハニカム形状の多孔質焼成体を得た。なお、各原料粉末、添加剤の「質量%」は、原料粉末(アルミニウム源粉末、チタニウム源粉末、マグネシウム源粉末およびケイ素源粉末)および添加剤の合計量を100質量%としたときの値である。下記の原料粉末の仕込み組成は、実施例1と同じく、アルミナ〔Al2O3〕、チタニア〔TiO2〕、マグネシア〔MgO〕およびシリカ〔SiO2〕換算のモル比で、〔Al2O3〕/〔TiO2〕/〔MgO〕/〔SiO2〕=34.3%/50.2%/9.4%/6.1%である。
(1)アルミニウム源粉末
D50が33μmの酸化アルミニウム粉末(α−アルミナ粉末) 24質量%
D50が1.0μmの水酸化アルミニウム粉末 1.5質量%
(2)チタニウム源粉末
下記表1および図1に示される粒径分布を有するD50が14.2μmの酸化チタンB(ルチル型結晶) 43質量%
(3)マグネシウム源粉末
D50が5.5μmのマグネシアスピネル粉末 16質量%
(4)ケイ素源粉末
D50が8.5μmのガラスフリット(タカラスタンダード社製「CK0832」) 5.5質量%
(5)造孔剤
D50が23μmのポリエチレン粉末 10質量%
以下の原料粉末を用いたこと以外は、実施例1と同様にしてハニカム形状の多孔質焼成体を得た。下記の原料粉末の仕込み組成は、実施例1と同じく、アルミナ〔Al2O3〕、チタニア〔TiO2〕、マグネシア〔MgO〕およびシリカ〔SiO2〕換算のモル比で、〔Al2O3〕/〔TiO2〕/〔MgO〕/〔SiO2〕=34.3%/50.2%/9.4%/6.1%である。
(1)アルミニウム源粉末
D50が33μmの酸化アルミニウム粉末(α−アルミナ粉末) 28質量%
(2)チタニウム源粉末
下記表1および図1に示される粒径分布を有するD50が34.4μmの酸化チタンC(ルチル型結晶) 48質量%
(3)マグネシウム源粉末
D50が5.5μmのマグネシアスピネル粉末 18質量%
(4)ケイ素源粉末
D50が8.5μmのガラスフリット(タカラスタンダード社製「CK0832」) 6質量%
Claims (6)
- アルミニウム源粉末、チタニウム源粉末およびマグネシウム源粉末を含む原料混合物の成形体を焼成する工程を備え、
前記チタニウム源粉末は、レーザ回折法により測定される粒径分布において、体積基準で、下記式(1)および(2)を満たすチタン酸アルミニウム系焼成体の製造方法。
(V0.5-3+V15-75)/Vtotal≧0.7 (1)
1/2≦V15-75/V0.5-3≦3/2 (2)
(式中、V0.5-3は粒径0.5〜3μmの累積頻度、V15-75は粒径15〜75μmの累積頻度、Vtotalは粒径0.1μm以上の累積頻度である。) - アルミニウム源粉末、チタニウム源粉末およびマグネシウム源粉末を含む原料混合物の成形体を焼成する工程を備え、
前記原料混合物中における、Al2O3換算での前記アルミニウム源粉末とTiO2換算での前記チタニウム源粉末とのモル比は、35:65〜45:55の範囲内であり、かつ、Al2O3換算での前記アルミニウム源粉末とTiO2換算での前記チタニウム源粉末との合計量に対する、MgO換算での前記マグネシウム源粉末の量は、モル比で0.03〜0.15の範囲内であるチタン酸アルミニウム系焼成体の製造方法。 - 前記原料混合物中における、Al2O3換算での前記アルミニウム源粉末とTiO2換算での前記チタニウム源粉末とのモル比は、35:65〜45:55の範囲内であり、かつ、Al2O3換算での前記アルミニウム源粉末とTiO2換算での前記チタニウム源粉末との合計量に対する、MgO換算での前記マグネシウム源粉末の量は、モル比で0.03〜0.15の範囲内である請求項1に記載のチタン酸アルミニウム系焼成体の製造方法。
- 前記原料混合物は、ケイ素源粉末をさらに含む請求項1〜3のいずれかに記載のチタン酸アルミニウム系焼成体の製造方法。
- 前記ケイ素源粉末は、長石あるいはガラスフリット、またはそれらの混合物からなる粉末である請求項4に記載のチタン酸アルミニウム系焼成体の製造方法。
- 前記成形体がハニカム形状である請求項1〜5のいずれかに記載のチタン酸アルミニウム系焼成体の製造方法。
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JP2008315945A JP4844770B2 (ja) | 2008-12-11 | 2008-12-11 | チタン酸アルミニウム系焼成体の製造方法 |
US13/131,488 US20110287921A1 (en) | 2008-12-11 | 2009-12-11 | Process for producing aluminum titanate-based fired body |
PCT/JP2009/070740 WO2010067859A1 (ja) | 2008-12-11 | 2009-12-11 | チタン酸アルミニウム系焼成体の製造方法 |
KR1020117011875A KR20110095273A (ko) | 2008-12-11 | 2009-12-11 | 티탄산 알루미늄계 소성체의 제조 방법 |
EP09831962A EP2368866A4 (en) | 2008-12-11 | 2009-12-11 | PROCESS FOR MANUFACTURING COOKED PRODUCT BASED ON ALUMINUM TITANATE |
TW098142556A TW201033155A (en) | 2008-12-11 | 2009-12-11 | Process for producing an aluminum titanate-based fired body |
CN2009801491760A CN102245534A (zh) | 2008-12-11 | 2009-12-11 | 钛酸铝系烧成体的制造方法 |
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JP2010228935A (ja) * | 2009-03-26 | 2010-10-14 | Kyocera Corp | 多孔質セラミック部材およびフィルタ |
JP2017538651A (ja) * | 2014-11-19 | 2017-12-28 | コーニング インコーポレイテッド | 制御されたサイズ分布を有するセラミック粉末 |
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JP5771085B2 (ja) * | 2010-07-14 | 2015-08-26 | 住友化学株式会社 | グリーン成形体、および、チタン酸アルミニウム焼成体の製造方法 |
CN103008662B (zh) * | 2011-09-23 | 2015-06-03 | 复盛应用科技股份有限公司 | 复合金属的一体成型方法 |
US9878958B2 (en) * | 2012-02-29 | 2018-01-30 | Corning Incorporated | Dimensional control of ceramic structures via composition |
US9475734B2 (en) * | 2012-05-31 | 2016-10-25 | Corning Incorporated | Shrinkage control in aluminum titanate using carbonates |
US8865054B1 (en) * | 2013-03-15 | 2014-10-21 | Ibiden Co., Ltd. | Method for manufacturing aluminum-titanate-based ceramic honeycomb structure |
JP2019147701A (ja) * | 2018-02-26 | 2019-09-05 | イビデン株式会社 | ハニカム構造体の製造方法 |
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