Effect of fluorine-containing additive on the synthesis and sintering of compositions from natural raw materials in the “cordierite –mullite” system; Ceramics International; Vol. 45, iss. 8
| Parent link: | Ceramics International.— , 1981- Vol. 45, iss. 8.— 2019.— [P. 9695-9703] |
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| Autor Corporativo: | |
| Outros autores: | , , , , |
| Summary: | Title screen The influence of the small addition of topaz on the processes of mineral formation in the “mullite–cordierite” system with a variable ratio of cordierite and mullite has been investigated. For this purpose, a series of experiments with different compositions of the initial mixtures, that is, with predominance of cordierite over mullite (KM mixtures) and predominance of mullite over cordierite (MK mixtures), has been performed. The addition of topaz in the form of topaz concentrate has been introduced in the amount of 1% by the weight of the investigated mixtures. The samples have been fired at various temperatures, that is, samples from KM mixtures (at a temperature of 1100–1300?°C) and samples from MK mixtures (at a temperature of 1400–1550?°C. The activating effect of topaz on mineral formation and sintering processes is determined by complex influence of fluoride products of topaz thermal decomposition. These reactively gaseous fluorides partially activate the solid-phase mass transfer processes and then reduce the viscosity of high-temperature melt formed during firing that intensifies the processes of ceramic matrix consolidation. Режим доступа: по договору с организацией-держателем ресурса |
| Idioma: | inglés |
| Publicado: |
2019
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| Subjects: | |
| Acceso en liña: | https://doi.org/10.1016/j.ceramint.2019.02.079 |
| Formato: | Electrónico Capítulo de libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659815 |
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| 200 | 1 | |a Effect of fluorine-containing additive on the synthesis and sintering of compositions from natural raw materials in the “cordierite –mullite” system |f T. V. Vakalova [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 37 tit.] | ||
| 330 | |a The influence of the small addition of topaz on the processes of mineral formation in the “mullite–cordierite” system with a variable ratio of cordierite and mullite has been investigated. For this purpose, a series of experiments with different compositions of the initial mixtures, that is, with predominance of cordierite over mullite (KM mixtures) and predominance of mullite over cordierite (MK mixtures), has been performed. The addition of topaz in the form of topaz concentrate has been introduced in the amount of 1% by the weight of the investigated mixtures. The samples have been fired at various temperatures, that is, samples from KM mixtures (at a temperature of 1100–1300?°C) and samples from MK mixtures (at a temperature of 1400–1550?°C. The activating effect of topaz on mineral formation and sintering processes is determined by complex influence of fluoride products of topaz thermal decomposition. These reactively gaseous fluorides partially activate the solid-phase mass transfer processes and then reduce the viscosity of high-temperature melt formed during firing that intensifies the processes of ceramic matrix consolidation. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Ceramics International |d 1981- | ||
| 463 | |t Vol. 45, iss. 8 |v [P. 9695-9703] |d 2019 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a cordierite | |
| 610 | 1 | |a mullite | |
| 610 | 1 | |a microstructure | |
| 610 | 1 | |a synthesis | |
| 610 | 1 | |a sintering | |
| 610 | 1 | |a кордиеритовая керамика | |
| 610 | 1 | |a муллитовая керамика | |
| 610 | 1 | |a синтез | |
| 610 | 1 | |a спекание | |
| 701 | 1 | |a Vakalova |b T. V. |c Chemical Engineer |c Professor of Tomsk Polytechnic University, Doctor of Technical Sciences |f 1956- |g Tatyana Viktorovna |3 (RuTPU)RU\TPU\pers\29338 |9 13924 | |
| 701 | 1 | |a Pogrebenkov |b V. M. |c Chemical Engineer |c Professor of Tomsk Polytechnic University, Doctor of technical sciences |f 1954- |g Valery Matveevich |3 (RuTPU)RU\TPU\pers\31924 | |
| 701 | 1 | |a Revva |b I. B. |c Chemical Engineer |c Associate Professor of Tomsk Polytechnic University, Candidate of technical sciences |f 1979- |g Inna Borisovna |3 (RuTPU)RU\TPU\pers\34635 |9 17997 | |
| 701 | 1 | |a Rusiniv |b P. G. |g Pavel Gennadjevich | |
| 701 | 1 | |a Balamygin |b D. I. | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Инженерная школа новых производственных технологий |b Научно-образовательный центр Н. М. Кижнера |3 (RuTPU)RU\TPU\col\23556 |
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