JP5276107B2 - 未焼成体から多孔質セラミック物品に焼成する方法 - Google Patents
未焼成体から多孔質セラミック物品に焼成する方法 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 62
- 238000010304 firing Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 230000032683 aging Effects 0.000 claims description 33
- 229910052878 cordierite Inorganic materials 0.000 claims description 10
- 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 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 229910010293 ceramic material Inorganic materials 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000009477 glass transition Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 41
- 238000009826 distribution Methods 0.000 abstract description 29
- 239000002994 raw material Substances 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
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- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
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- 229910052623 talc Inorganic materials 0.000 description 3
- 235000005273 Canna coccinea Nutrition 0.000 description 2
- 240000008555 Canna flaccida Species 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 240000004713 Pisum sativum Species 0.000 description 2
- 235000010582 Pisum sativum Nutrition 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- 239000011777 magnesium Substances 0.000 description 2
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- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
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- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 description 1
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- 244000061456 Solanum tuberosum Species 0.000 description 1
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- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 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
- 239000006229 carbon black Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
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- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
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- 235000021374 legumes Nutrition 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
- C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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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
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B2003/203—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded for multi-channelled structures, e.g. honeycomb structures
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
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- Compositions Of Oxide Ceramics (AREA)
Description
無機成分を含んだセラミック形成原料を含む未焼成体を、第1の平均速度で初期温度からピーク温度まで加熱する工程において、前記ピーク温度が、セラミック相が形成されるよりも高温である工程と、
前記未焼成体を、第2の平均速度で前記ピーク温度から第2の温度まで冷却する工程において、前記第2の温度が、前記セラミック相が形成される温度範囲である工程と、
平均して第2の温度で、セラミック相を形成するのに十分な時間、前記未焼成体を保持することにより、多孔質のセラミック物品を形成する工程と、
を有してなる方法を開示する。ピーク温度は第2の温度よりも少なくとも5℃高い。多孔質のコージエライトの形成に適した一部の実施の形態では、ピーク温度は1430〜1440℃であり、第2の温度は1415〜1430℃であり、ピーク温度は第2の温度よりも少なくとも5℃高い。
無機セラミック形成成分からなる未焼成体を提供し、
前記未焼成体を、高速昇温段階およびそれに続く保持段階を含めた焼成環境に曝露することによって加熱する、
各工程を有してなり、
前記保持段階における前記焼成環境の温度が熟成温度の上限値から熟成温度の下限値の間に保たれ、
前記高速昇温段階がピーク部分を含み、前記ピーク部分における前記焼成環境の温度がピーク部分におけるすべての時点において前記熟成温度の上限値よりも大きく、
前記ピーク部分がピーク温度を含み、前記熟成温度の上限値が前記ピーク温度よりも少なくとも5℃低い。ピーク温度は、非晶質相のガラス転移温度よりも高く、セラミックの融点温度よりも低いことが好ましく、一部の実施の形態では、ピーク温度は、セラミック材料の主要固体結晶相の融点よりも約10℃以上低く、他の実施の形態では、ピーク温度は、セラミック材料の主要固体結晶相の融点よりも約10〜20℃低く、他の実施の形態では、ピーク温度は1420℃以上、1435℃以下である。一部の実施の形態では、熟成温度の上限値はピーク温度よりも少なくとも10℃低く、他の実施の形態では、ピーク温度よりも少なくとも15℃低く、一部の実施の形態では1430℃未満であり、他の実施の形態では1420℃未満である。一部の実施の形態では、保持段階における保持温度は1300 〜1430℃の間にとどまり、一部の実施の形態では1380 〜1430℃であり、一部の実施の形態では1380〜1420℃であり、他の実施の形態では1300〜1400℃であり、さらに他の実施の形態では1350〜1400℃であり、これらは、それぞれ熟成温度の下限値および上限値に対応させることができる。保持段階における焼成環境の温度は、セラミック材料の主要固体結晶相を形成するのに十分な保持時間で、熟成温度の上限値から下限値の範囲に保たれる。無機成分の1つが無機成分の最も低い融点温度を有し、高速昇温段階における焼成環境は、無機成分の最も低い融点温度で、無機成分を高速昇温段階で少なくともある程度溶融させるのに十分な時間、1つ以上の温度に保たれることが好ましい。
本発明の他の特性および利点は次の説明および添付の特許請求の範囲から明らかになるであろう。
Claims (5)
- 多孔質コージエライトセラミック材料の物品の製造方法であって、
コージエライトセラミック形成成分からなる未焼成体を提供する工程と、
前記未焼成体を、0.5℃/分より大きい平均昇温速度で1000℃より高い初期温度から1400℃より高いピーク温度まで昇温する昇温段階と、前記ピーク温度からセラミック相が形成される温度範囲にある熟成温度まで下降させる段階と、前記熟成温度の上限値と前記熟成温度の下限値の間に4〜20時間保持する保持段階を含む焼成環境に曝露することにより加熱する工程と、
を有してなり、
前記熟成温度の上限値が前記ピーク温度よりも少なくとも5℃低いことを特徴とする方法。 - 前記ピーク温度が前記セラミック材料の非晶質相のガラス転移温度よりも高く、前記セラミック材料の融点温度未満であることを特徴とする請求項1記載の方法。
- 前記ピーク温度が1420℃以上、1435℃以下であることを特徴とする請求項1記載の方法。
- 前記昇温段階における焼成環境が、30℃/時間よりも速い昇温速度で、1200℃の初期温度から前記ピーク温度まで上昇することを特徴とする請求項1記載の方法。
- 前記昇温段階における焼成環境が、5時間未満で、1200℃の初期温度から前記ピーク温度まで上昇することを特徴とする請求項1記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US96721907P | 2007-08-31 | 2007-08-31 | |
US60/967,219 | 2007-08-31 | ||
PCT/US2008/010229 WO2009029276A1 (en) | 2007-08-31 | 2008-08-28 | Method of firing green bodies into porous ceramic articles |
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JP2010537930A JP2010537930A (ja) | 2010-12-09 |
JP2010537930A5 JP2010537930A5 (ja) | 2013-03-28 |
JP5276107B2 true JP5276107B2 (ja) | 2013-08-28 |
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US (1) | US8187525B2 (ja) |
EP (1) | EP2183199B1 (ja) |
JP (1) | JP5276107B2 (ja) |
CN (1) | CN101808957B (ja) |
AT (1) | ATE500209T1 (ja) |
DE (1) | DE602008005321D1 (ja) |
WO (1) | WO2009029276A1 (ja) |
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CN101939271B (zh) * | 2007-08-31 | 2014-08-13 | 康宁股份有限公司 | 堇青石蜂窝体制品及其制造方法 |
EP2228115B1 (en) * | 2007-10-12 | 2013-12-11 | Hitachi Metals, Ltd. | Cordierite ceramic honeycomb filter and process for producing the same |
WO2009073082A1 (en) * | 2007-11-29 | 2009-06-11 | Corning Incorporated | System and method for forming ceramic precursor material for thin-walled ceramic honeycomb structures |
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US8187525B2 (en) | 2012-05-29 |
EP2183199B1 (en) | 2011-03-02 |
CN101808957B (zh) | 2013-06-05 |
JP2010537930A (ja) | 2010-12-09 |
EP2183199A1 (en) | 2010-05-12 |
CN101808957A (zh) | 2010-08-18 |
US20090062105A1 (en) | 2009-03-05 |
DE602008005321D1 (de) | 2011-04-14 |
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