RU2006144450A - СПОСОБ ПОЛУЧЕНИЯ ФОРМОВАННЫХ ИЗДЕЛИЙ НА ОСНОВЕ β-SiC ДЛЯ ПРИМЕНЕНИЯ В АГРЕССИВНЫХ СРЕДАХ - Google Patents
СПОСОБ ПОЛУЧЕНИЯ ФОРМОВАННЫХ ИЗДЕЛИЙ НА ОСНОВЕ β-SiC ДЛЯ ПРИМЕНЕНИЯ В АГРЕССИВНЫХ СРЕДАХ Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract 22
- 239000002243 precursor Substances 0.000 claims abstract 14
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract 14
- 229920005989 resin Polymers 0.000 claims abstract 13
- 239000011347 resin Substances 0.000 claims abstract 13
- 239000000203 mixture Substances 0.000 claims abstract 12
- 239000013067 intermediate product Substances 0.000 claims abstract 9
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract 6
- 229910021431 alpha silicon carbide Inorganic materials 0.000 claims abstract 5
- 239000011449 brick Substances 0.000 claims abstract 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract 4
- 239000000047 product Substances 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 claims abstract 3
- 239000000843 powder Substances 0.000 claims abstract 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000002131 composite material Substances 0.000 claims abstract 2
- 239000012467 final product Substances 0.000 claims abstract 2
- 239000008187 granular material Substances 0.000 claims abstract 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052710 silicon Inorganic materials 0.000 claims abstract 2
- 239000010703 silicon Substances 0.000 claims abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 238000005868 electrolysis reaction Methods 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 229910003465 moissanite Inorganic materials 0.000 claims 2
- 238000006116 polymerization reaction Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910001610 cryolite Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 229910052718 tin Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
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Abstract
1. Способ получения композитного материала на основе β-SiC, включающий:а) получение смеси, называемой «смесь-предшественник», содержащей, по меньшей мере, один предшественник β-SiC и, по меньшей мере, одну углеродсодержащую смолу, предпочтительно термоотверждающую,б) формование указанной смеси-предшественника, в частности, в виде гранул, пластин, труб или кирпичей, для получения промежуточного изделия,в) полимеризацию смолы,г) введение указанных промежуточных изделий в емкость,д) закрытие указанной емкости с помощью средства для закрывания, позволяющего избежать повышения давления газа,е) термообработку указанных промежуточных указанных изделий при температуре 1100°-1500°С для удаления органических компонентов смолы и образования β-SiC в конечном изделии.2. Способ по п.1, в котором стадия а) заменена стадией аа):аа) получения смеси, называемой «смесью-предшественник», содержащей включения, из которых, по меньшей мере, одна часть представляет собой α-SiC, по меньшей мере, один предшественник β-SiC и, по меньшей мере, одну углеродсодержащую смолу, предпочтительно термоотверждаемую.3. Способ по любому из пп.1 или 2, в котором термообработку (стадию е) осуществляют при температуре 1100°-1500°С, предпочтительно 1200°-1500°С, более предпочтительно 1250°-1450°С, еще более предпочтительно 1250°-1400°С.4. Способ по любому из пп.1 или 2, в котором предшественником β-SiC является кремний, предпочтительно используемый в форме порошка, имеющего средний диаметр от 0,1 до 20 мкм.5. Способ по любому из пп.1 или 2, в котором термоотверждаемая смола выбрана из фенольных, акриловых или фурфуриловых смол.6. Способ по любому из пп.1 или 2, в котор�
Claims (17)
1. Способ получения композитного материала на основе β-SiC, включающий:
а) получение смеси, называемой «смесь-предшественник», содержащей, по меньшей мере, один предшественник β-SiC и, по меньшей мере, одну углеродсодержащую смолу, предпочтительно термоотверждающую,
б) формование указанной смеси-предшественника, в частности, в виде гранул, пластин, труб или кирпичей, для получения промежуточного изделия,
в) полимеризацию смолы,
г) введение указанных промежуточных изделий в емкость,
д) закрытие указанной емкости с помощью средства для закрывания, позволяющего избежать повышения давления газа,
е) термообработку указанных промежуточных указанных изделий при температуре 1100°-1500°С для удаления органических компонентов смолы и образования β-SiC в конечном изделии.
2. Способ по п.1, в котором стадия а) заменена стадией аа):
аа) получения смеси, называемой «смесью-предшественник», содержащей включения, из которых, по меньшей мере, одна часть представляет собой α-SiC, по меньшей мере, один предшественник β-SiC и, по меньшей мере, одну углеродсодержащую смолу, предпочтительно термоотверждаемую.
3. Способ по любому из пп.1 или 2, в котором термообработку (стадию е) осуществляют при температуре 1100°-1500°С, предпочтительно 1200°-1500°С, более предпочтительно 1250°-1450°С, еще более предпочтительно 1250°-1400°С.
4. Способ по любому из пп.1 или 2, в котором предшественником β-SiC является кремний, предпочтительно используемый в форме порошка, имеющего средний диаметр от 0,1 до 20 мкм.
5. Способ по любому из пп.1 или 2, в котором термоотверждаемая смола выбрана из фенольных, акриловых или фурфуриловых смол.
6. Способ по любому из пп.1 или 2, в котором температура полимеризации смолы (стадия в)) находится в интервале 150°-300°С, предпочтительно 150°-250°С, еще более предпочтительно 150°-210°С.
7. Способ по любому из пп.1 или 2, отличающийся тем, что указанные включения и/или предшественники находятся в форме порошка, зерен или волокон.
8. Способ по любому из пп.1 или 2, в котором массовая фракция указанных включений составляет 80-95% от общей массы смеси-предшественника.
9. Способ по любому из пп.1 или 2, отличающийся тем, что часть указанных включений представляет собой глинозем, кремнезем, TiN, Si3N4 или смесь этих соединений.
10. Способ по п.9, отличающийся тем, что, по меньшей мере, 50%, предпочтительно, по меньшей мере, 70 мас.% указанных включений представляют собой α-SiC.
11. Способ по п.1, отличающийся тем, что объем емкости, который не занят указанными промежуточными изделиями, заполнен твердым инертным материалом, предпочтительно легко разделяемым и легко собираемым, таким как кирпичи из β-SiC или α-SiC, или зерна из α-SiC таким образом, чтобы объем, занятый газом внутри емкости, был не выше 50% от внешнего объема промежуточных изделий.
12. Способ по п.2, отличающийся тем, что объем емкости, который не занят указанными промежуточными изделиями, заполнен твердым инертным материалом, предпочтительно легко разделяемым и легко собираемым, таким как кирпичи из β-SiC или α-SiC, или зерна из α-SiC таким образом, чтобы объем, занятый газом внутри емкости, был не выше 50% от внешнего объема промежуточных изделий.
13. Способ по любому из пп.10-12, в котором объем, занятый газом внутри емкости, занимает не более 20%, предпочтительно не более 10% от внешнего объема промежуточных изделий.
14. Способ по п.11, отличающийся тем, что выделяющийся газ, выходящий из обрабатываемых изделий при температуре от комнатной до 800°С, составляет объем, равный, по меньшей мере, двукратному объему, занимаемому газом внутри емкости, предпочтительно пятикратный объем, более предпочтительно, по меньшей мере, десятикратный объем.
15. Продукт, который может быть получен способом согласно одному из пп.1-14.
16. Применение продукта, полученного в результате способа согласно одному из пп.1-14 в форме плит или кирпичей, в качестве внутренней облицовки электролизной ванны расплавленной соли или внутренней облицовки печи для прокаливания.
17. Применение по п.16 в электролизной ванне для получения алюминия из смеси глинозема и криолита.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR0405284A FR2870233B1 (fr) | 2004-05-14 | 2004-05-14 | PROCEDE DE FABRICATION DE PIECES DE FORME A BASE DE BETA-SiC POUR UTILISATION DANS DES MILIEUX AGRESSIFS |
FR0405284 | 2004-05-14 | ||
PCT/FR2005/001163 WO2005121044A2 (fr) | 2004-05-14 | 2005-05-10 | PROCEDE DE FABRICATION DE PIECES DE FORME A BASE DE β-SIC POUR UTILISATION DANS DES MILIEUX AGRESSIFS |
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RU2006144450A true RU2006144450A (ru) | 2008-06-20 |
RU2375331C2 RU2375331C2 (ru) | 2009-12-10 |
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AU (1) | AU2005251983B2 (ru) |
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DE60129538T2 (de) | 2000-03-14 | 2008-04-10 | James Hardie International Finance B.V. | Faserzementbaumaterialien mit zusatzstoffen niedriger dichte |
AU2003250614B2 (en) * | 2002-08-23 | 2010-07-15 | James Hardie Technology Limited | Synthetic hollow microspheres |
US7993570B2 (en) | 2002-10-07 | 2011-08-09 | James Hardie Technology Limited | Durable medium-density fibre cement composite |
US20090146108A1 (en) * | 2003-08-25 | 2009-06-11 | Amlan Datta | Methods and Formulations for Producing Low Density Products |
US20090156385A1 (en) * | 2003-10-29 | 2009-06-18 | Giang Biscan | Manufacture and use of engineered carbide and nitride composites |
AU2005206522B2 (en) | 2004-01-12 | 2010-03-11 | James Hardie Technology Limited | Composite fiber cement article with radiation curable component |
US7998571B2 (en) * | 2004-07-09 | 2011-08-16 | James Hardie Technology Limited | Composite cement article incorporating a powder coating and methods of making same |
AU2006216407A1 (en) | 2005-02-24 | 2006-08-31 | James Hardie Technology Limited | Alkali resistant glass compositions |
AU2006321786B2 (en) * | 2005-12-06 | 2012-05-10 | James Hardie Technology Limited | Engineered low-density heterogeneous microparticles and methods and formulations for producing the microparticles |
AU2007236561B2 (en) | 2006-04-12 | 2012-12-20 | James Hardie Technology Limited | A surface sealed reinforced building element |
CN101580390B (zh) * | 2008-05-15 | 2012-10-03 | 中国科学院金属研究所 | 一种碳化硅陶瓷管状制品的制备方法 |
AU2009341562A1 (en) * | 2009-03-05 | 2011-09-22 | James Hardie Technology Limited | Manufacture and use of engineered carbide and nitride composites |
CN102368397B (zh) * | 2011-06-16 | 2013-01-16 | 哈尔滨工业大学 | 一种耐冰晶石腐蚀的绝缘材料及其制备方法和应用 |
RU2559965C1 (ru) * | 2014-05-07 | 2015-08-20 | Акционерное общество "Научно-исследовательский институт конструкционных материалов на основе графита "НИИграфит" | Композиция тонкостенных трубчатых элементов и способ получения тонкостенных трубчатых элементов |
CN111285385A (zh) * | 2020-02-18 | 2020-06-16 | 大同碳谷科技孵化器有限公司 | 一种从煤矸石灰渣中提取三氧化二铝和二氧化硅的方法 |
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US4744922A (en) * | 1986-07-10 | 1988-05-17 | Advanced Refractory Technologies, Inc. | Neutron-absorbing material and method of making same |
EP0356800B1 (en) * | 1988-08-15 | 1992-05-06 | Shin-Etsu Chemical Co., Ltd. | Silicon carbide ceramics bonding compositions |
FR2675713B1 (fr) * | 1991-04-29 | 1993-07-02 | Pechiney Electrometallurgie | Systeme catalytique, notamment pour la postcombustion de gaz d'echappement et procede pour le fabriquer. |
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US6555031B2 (en) * | 2000-06-19 | 2003-04-29 | Corning Incorporated | Process for producing silicon carbide bodies |
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AU2005251983A1 (en) | 2005-12-22 |
EP1751077A2 (fr) | 2007-02-14 |
WO2005121044A3 (fr) | 2006-06-08 |
US20080095692A1 (en) | 2008-04-24 |
CN1980871A (zh) | 2007-06-13 |
CA2566869A1 (fr) | 2005-12-22 |
AU2005251983B2 (en) | 2010-04-08 |
CN100579934C (zh) | 2010-01-13 |
FR2870233B1 (fr) | 2006-12-01 |
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