JP5543604B2 - アルミナチタネート多孔質構造体 - Google Patents
アルミナチタネート多孔質構造体 Download PDFInfo
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- JP5543604B2 JP5543604B2 JP2012530316A JP2012530316A JP5543604B2 JP 5543604 B2 JP5543604 B2 JP 5543604B2 JP 2012530316 A JP2012530316 A JP 2012530316A JP 2012530316 A JP2012530316 A JP 2012530316A JP 5543604 B2 JP5543604 B2 JP 5543604B2
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims description 4
- 239000000203 mixture Substances 0.000 claims description 53
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 41
- 239000000126 substance Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 24
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 17
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 17
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 14
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 229910052726 zirconium Inorganic materials 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 239000006104 solid solution Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052684 Cerium Inorganic materials 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 claims 3
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 13
- 239000000395 magnesium oxide Substances 0.000 description 11
- 239000000376 reactant Substances 0.000 description 11
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 8
- 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 description 8
- 239000007789 gas Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000004071 soot Substances 0.000 description 5
- 229910052878 cordierite Inorganic materials 0.000 description 4
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910000420 cerium oxide Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011573 trace mineral Substances 0.000 description 2
- 235000013619 trace mineral Nutrition 0.000 description 2
- 229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 102100031083 Uteroglobin Human genes 0.000 description 1
- 108090000203 Uteroglobin Proteins 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 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
- 150000004679 hydroxides Chemical class 0.000 description 1
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000002902 organometallic compounds 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
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910000018 strontium carbonate Inorganic materials 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 229910052861 titanite Inorganic materials 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/478—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on aluminium titanates
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Description
・25%より多く52%未満のAl2O3、
・26%より多く55%未満のTiO2、
・合計で20%未満の、MgO及びCoOから選ばれる元素M1の少なくとも1種の酸化物、
・合計で1%より多く20%未満の、Fe2O3、Cr2O3、MnO2、La2O3、Y2O3及びGa2O3により形成される群から選ばれる元素M2の少なくとも1種の酸化物、
・合計で1%より多く25%未満の、ZrO2、Ce2O3及びHfO2により形成される群から選ばれる元素M3の少なくとも1種の酸化物、
・20%未満のSiO2、
を含み、当該組成は、
・10%未満のMgO、
・1%より多く20%未満のFe2O3、
・1%より多く10%未満のZrO2、
を有し、そして当該材料は、対応する単純な酸化物の反応焼結又はそれらの前駆物質の1つの反応焼結によって得られ、あるいは上記組成を満足する焼結した粒子の熱処理により得られる、セラミック材料を含む多孔質構造体に関する。
・aはAl2O3の含有量(モル%)であり、
・sはSiO2の含有量(モル%)であり、
・a’=a−0.37sであり、
・tはTiO2の含有量(モル%)であり、
・m1はM1の酸化物の合計の含有量(モル%)であり、
・m2はM2の酸化物の合計の含有量(モル%)である。
・25%より多く52%未満のAl2O3、
・26%より多く55%未満のTiO2、
・1%より多く20%未満のFe2O3、
・20%未満のSiO2、
・10%未満のMgOあるいは2%未満のMgO、
・1%より多く10%未満のZrO2、及び
・所望により、合計で2%より多く13%未満の、B2O3、CaO、Na2O、K2O、SrO及びBaOにより形成される群から選ばれる少なくとも1種の酸化物、
を有する。
・35%より多く51%未満のAl2O3、例えば38%と50%の間のAl2O3、
・26%より多く45%未満のTiO2、
・1%より多く20%未満のFe2O3又は(Fe2O3+La2O3)の組み合わせ、
・所望により、0.1%より多く20%未満のSiO2、
・2%未満のMgOあるいは1%未満のMgO、
・1%より多く10%未満のZrO2、及び
・所望により、合計で2%より多く13%未満の、B2O3、CaO、Na2O、K2O、SrO及びBaOにより形成される群から選ばれる少なくとも1種の酸化物、
を有する。
・1%と18%の間のFe2O3又は(Fe2O3+La2O3)、
・3%と18%の間のSiO2、及び
・1%と8%の間のZrO2又は(ZrO2+CeO2)、
を有するのが好ましい。
・Al2O3は48wt%と54wt%の間に相当することができ、
・TiO2は35wt%と48wt%の間、例えば38wt%と45wt%の間に相当することができ、
・Fe2O3又は(Fe2O3+La2O3)は1wt%と8wt%の間、例えば2wt%と6wt%の間に相当することができ、
・SiO2は1wt%未満、あるいは0.5wt%未満の比率で存在し、
・ZrO2(又はZrO2+CeO2)は3wt%未満であり、
・MgOは1wt%と8wt%の間、例えば2wt%と6wt%の間に相当することができる。
・99.8%のAl2O3を含みメジアン径d50が約5.2μmのAlmatis CL4400FGアルミナ、
・99.5%のTiO2を含み直径が約0.3μmのTRONOX T−R酸化チタン、
・純度99.7%のElkem Microsilicia Grade 971UのSiO2、
・98%より高い純度のFe2O3、
・約97%のCaOを含み、80%より多くの粒子の直径が80μm未満である石灰、
・Societe des Produits Chimiques Harbonnieresにより市販されている、SrCO3を98.5%より多く含む炭酸ストロンチウム、
・Saint−Gobain ZirPro社によりCC10の呼称で市販されている、純度が98.5%より高くメジアン径d50が3.5μmの酸化ジルコニウム、
・99%より高い純度の酸化ランタンLa2O3、
・約99%のCeO2を含み粒子の平均径が20μm未満の酸化セリウム、
である。
1)酸化物に基づくwt%で示した化学組成は、蛍光X線により測定した。
2)耐火製品中に存在する結晶相の特性を、X線回折とマイクロプローブ分析EPMA(電子線マイクロアナリシス)により調べた。こうして得られた結果を基に、各相の重量百分率とその組成を推定することができた。表1において、ATはチタン酸アルミニウムタイプの酸化物の固溶体(主相)を示し、PSはケイ酸塩相の存在を示し、その他の相は少なくとも1つの他の微量相P2の存在を示し、そして「〜」は相が痕跡の形で存在していることを意味している。
3)存在する結晶相の安定性は、最初に存在した結晶相と1100℃で100時間の熱処理後に存在するものとをX線回折により比較することにある試験で測定した。この処理後のコランダムAl2O3の出現に対応する主ピークの最大強度がAT相の3つの主ピークの最大強度の平均の50%未満にとどまっている場合に、製品は安定であると見なし、そしてそれが30%未満にとどまっている場合に非常に安定であると見なした(このような製品は表1で「yes」と表示されている)。
4)圧縮強度(R)は、10kNのロードセルを装備したLLOYD設備で、作製した試料を1mm/minの速度で圧縮することにより、室温で測定した。
5)密度は、通常の技術(アルキメデス法)により測定した。表1に示した細孔率は、理論密度(粉砕した製品についてヘリウム比重びん法により測定した、多孔質でない材料の予測最大密度)と測定密度との差を百分率として示したものに相当する。
・所定の焼結(焼成)温度で、材料の所望される組成に関係してより良好な特性を得ることか、
・あるいは材料の高い細孔率レベルを調節する(特に初期の反応物に細孔形成剤を添加することによって)一方で、良好な機械的一体性を保持すること、
を可能にする。
Claims (12)
- 酸化物セラミック材料によって形成された多孔質構造体であって、当該酸化物セラミック材料は、酸化物に基づくwt%で表して、下記の組成、すなわち、
・25%より多く52%未満のAl2O3、
・26%より多く55%未満のTiO2、
・合計で20%未満の、MgO及びCoOから選ばれる元素M1の少なくとも1種の酸化物、
・合計で1%より多く20%未満の、Fe2O3、Cr2O3、MnO2、La2O3、Y2O3及びGa2O3により形成される群から選ばれる元素M2の少なくとも1種の酸化物、
・合計で1%より多く25%未満の、ZrO2、Ce2O3及びHfO2により形成される群から選ばれる元素M3の少なくとも1種の酸化物、
・20%未満のSiO2、
を満足し、当該組成は、
・10%未満のMgO、
・1%より多く20%未満のFe2O3、
・1%より多く10%未満のZrO2、
を有し、そして当該材料は、対応する単純な酸化物の反応焼結又はそれらの前駆物質の1つの反応焼結によって得られ、あるいは焼結した粒子の熱処理により得られ、当該組成は、当該組成中に存在している酸化物の全てに基づくモル%で表して、a’−t+2m1+m2が−6と6の間であるようなものであり、この式において、
・aはAl2O3のモル%での含有量であり、
・sはSiO2のモル%での含有量であり、
・a’=a−0.37sであり、
・tはTiO2のモル%での含有量であり、
・m1はM1の酸化物のモル%での合計含有量であり、
・m2はM2の酸化物のモル%での合計含有量である、
酸化物セラミック材料によって形成された多孔質構造体。 - M3がZr又はZrとCeとの組み合わせから選ばれ、前記材料中のZrO2含有量が0.7%より多い、請求項1記載の多孔質構造体。
- M1がMgであり、M2がFeを含むかFeであり、M3がZrを含むかZrである、請求項1又は2記載の多孔質構造体。
- M2が鉄とランタンとの組み合わせにより構成されている、請求項1〜3の1つに記載の多孔質構造体。
- M3がジルコニウムとセリウムとの組み合わせにより構成されている、請求項1〜4の1つに記載の多孔質構造体。
- 前記材料が、酸化物に基づくwt%で表して、下記の化学組成、すなわち、
・25%より多く52%未満のAl2O3、
・26%より多く55%未満のTiO2、
・10%未満のMgO、
・1%より多く20%未満のFe2O3又は(Fe2O3+La2O3)、
・1%より多く10%未満のZrO2又は(ZrO2+CeO2)、
・20%未満のSiO2、
を有する、請求項1〜5の1つに記載の多孔質構造体。 - 前記材料が、酸化物に基づくwt%で表して、下記の化学組成、すなわち、
・35%より多く50%未満のAl2O3、
・26%より多く50%未満のTiO2、
・6%未満のMgO、
・2%より多く15%未満のFe2O3又は(Fe2O3+La2O3)、
・2%より多く8%未満のZrO2又は(ZrO2+CeO2)、
・0.5%より多く15%未満のSiO2、
を有する、請求項6記載の多孔質構造体。 - 1%より多くのSiO2を含む、請求項1〜7の1つに記載の多孔質構造体。
- 前記材料が、チタン、アルミニウム、鉄、ジルコニウムを含み、所望によりマグネシウムを含む、固溶体タイプの相からなる主相と、酸化チタンTiO2及び/又は酸化ジルコニウムZrO2から本質的になる少なくとも1つの相と、及び所望により少なくとも1つのケイ酸塩相、を含む、請求項1〜8の1つに記載の多孔質構造体。
- 前記ケイ酸塩相が前記材料の総重量の0〜45%の範囲にあることができる比率で存在している、請求項9記載の多孔質構造体。
- 前記ケイ酸塩相が主としてシリカとアルミナからなり、当該ケイ酸塩相中のシリカの重量比率が34%より大きい、請求項10記載の多孔質構造体。
- ハニカムタイプの構造を有し、当該構造体を構成しているセラミック材料の細孔率が10%より大きく、細孔サイズの中心が5μmと60μmの間にある、請求項1〜11の1つに記載の多孔質構造体。
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FR0956502A FR2950341B1 (fr) | 2009-09-22 | 2009-09-22 | Structure poreuse du type titanate d'alumine |
FR1056155 | 2010-07-27 | ||
FR1056155 | 2010-07-27 | ||
PCT/FR2010/051971 WO2011036397A1 (fr) | 2009-09-22 | 2010-09-21 | Structure poreuse du type titanate d'alumine |
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US9988311B2 (en) * | 2013-11-27 | 2018-06-05 | Corning Incorporated | Aluminum titanate compositions, ceramic articles comprising same, and methods of manufacturing same |
CN107406328A (zh) * | 2015-03-19 | 2017-11-28 | 衡所华威电子有限公司 | 黑色氧化铝陶瓷粉末、由其制备的黑色氧化铝陶瓷体及制备该黑色氧化铝陶瓷体的方法 |
CN106007777B (zh) * | 2016-05-12 | 2018-08-03 | 梅州市溪山陶瓷有限公司 | 一种多孔陶瓷及其制备方法 |
JP6949019B2 (ja) * | 2016-07-14 | 2021-10-13 | イビデン株式会社 | ハニカム構造体及び該ハニカム構造体の製造方法 |
JP6692256B2 (ja) * | 2016-08-25 | 2020-05-13 | 日本碍子株式会社 | 多孔質セラミックス構造体 |
CN108946680A (zh) * | 2018-07-03 | 2018-12-07 | 贵州大学 | 一种制备钛酸铝粉体联产酸的工艺 |
FR3088831B1 (fr) * | 2018-11-27 | 2020-12-04 | Tech Avancees Et Membranes Industrielles | Procédé de fabrication par addition de matière de supports inorganiques de filtration à partir d’un filament thermofusible et membrane obtenue |
CN111390116A (zh) * | 2020-04-15 | 2020-07-10 | 淄博建宗复合材料有限公司 | 一种钛酸铝陶瓷复合保温冒口的制备工艺流程 |
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JPS5689844A (en) * | 1979-12-25 | 1981-07-21 | Asahi Glass Co Ltd | Ceramic honeycomb and its production |
JPS5919068B2 (ja) * | 1980-03-26 | 1984-05-02 | 日本碍子株式会社 | 低膨脹性セラミックス |
DE3644664A1 (de) * | 1986-12-30 | 1988-07-14 | Didier Werke Ag | Aluminiumtitanatkeramik und ihre verwendung |
US4758542A (en) * | 1987-02-13 | 1988-07-19 | W. R. Grace & Co. | Low thermal expansion ZrTiO4 --Al2 TiO5 --ZrO2 compositions |
JPS63201060A (ja) * | 1987-02-13 | 1988-08-19 | ダブリユー・アール・グレイス・アンド・カンパニー−コネチカツト | 低膨張性ZrTiO↓4−Al↓2TiO↓5−ZrO↓2系組成物 |
JP2828986B2 (ja) * | 1988-03-31 | 1998-11-25 | 株式会社東芝 | セラミックス焼結体 |
US4855265A (en) * | 1988-04-04 | 1989-08-08 | Corning Incorporated | High temperature low thermal expansion ceramic |
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DE60041464D1 (de) | 1999-09-29 | 2009-03-12 | Ibiden Co Ltd | Wabenförmiger Filter und Anordnung von keramischen Filtern |
FR2833857B1 (fr) | 2001-12-20 | 2004-10-15 | Saint Gobain Ct Recherches | Corps filtrant comportant une pluralite de blocs filtrants, notamment destine a un filtre a particules |
US6849181B2 (en) | 2002-07-31 | 2005-02-01 | Corning Incorporated | Mullite-aluminum titanate diesel exhaust filter |
EP1559696B1 (en) | 2002-11-01 | 2016-11-16 | Ohcera Co., Ltd. | Aluminum magnesium titanate sintered product, method for producing it and its use |
JP4723173B2 (ja) | 2003-01-20 | 2011-07-13 | 日本碍子株式会社 | ハニカム構造体の製造方法 |
FR2853256B1 (fr) | 2003-04-01 | 2005-10-21 | Saint Gobain Ct Recherches | Structure de filtration, notamment filtre a particules pour les gaz d'echappement d'un moteur a combustion interne. |
US7259120B2 (en) * | 2004-04-21 | 2007-08-21 | Corning Incorporated | Aluminum titanate ceramic articles and methods of making same |
US9023270B2 (en) * | 2005-08-01 | 2015-05-05 | Hitachi Metals, Ltd. | Method for producing ceramic honeycomb structure |
US7713897B2 (en) * | 2007-02-27 | 2010-05-11 | Corning Incorporated | Ceramic materials for 4-way and NOx adsorber and method for making same |
FR2933401B1 (fr) * | 2008-07-04 | 2010-07-30 | Saint Gobain Ct Recherches | Structure poreuse du type titanate d'alumine |
FR2933400B1 (fr) * | 2008-07-04 | 2010-08-20 | Saint Gobain Ct Recherches | Grains fondus d'oxydes comprenant al, ti, mg et zr et produits ceramiques comportant de tels grains |
CN101357843A (zh) * | 2008-08-08 | 2009-02-04 | 东营新科信特陶有限责任公司 | 钛酸铝陶瓷升液管的制备方法 |
FR2948657B1 (fr) * | 2009-07-28 | 2013-01-04 | Saint Gobain Ct Recherches | Grains fondus d'oxydes comprenant al, ti et produits ceramiques comportant de tels grains |
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