About: Influence of Vermiculite on the Formation of Porous Cordierites

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Porous cordierites were prepared from mixtures of talc, kaolinite and vermiculite with alumina or aluminum hydroxide by sintering in an argon atmosphere at 1300 °C for 1 h (porous cordierites of Group I) and 2 h (porous cordierites of Group II). Group I and Group II were different in pore size distribution, quantitative content of mineral phases and cordierite structure parameters. The crystalline phases identified in porous cordierites prepared without vermiculite were cordierite (69.88 vol.%), protoenstatite (25.13 vol.%) and corundum (3.10 vol.%). Vermiculite increased the content of cordierite (84.90 vol.%) and Mg-Al spinel (4.15 vol.%) at the expense of protoenstatite. The calculated unit cell parameters of cordierites were between those of orthogonal and hexagonal cordierites (Group I) and corresponded to disordered orthorhombic rather than hexagonal cordierites (Group II). Group I cordierites had pore size maxima at about ~35 μm or ~20 μm, while Group II had maxima at about 35 Porous cordierites were prepared from mixtures of talc, kaolinite and vermiculite with alumina or aluminum hydroxide by sintering in an argon atmosphere at 1300 °C for 1 h (porous cordierites of Group I) and 2 h (porous cordierites of Group II). Group I and Group II were different in pore size distribution, quantitative content of mineral phases and cordierite structure parameters. The crystalline phases identified in porous cordierites prepared without vermiculite were cordierite (69.88 vol.%), protoenstatite (25.13 vol.%) and corundum (3.10 vol.%). Vermiculite increased the content of cordierite (84.90 vol.%) and Mg-Al spinel (4.15 vol.%) at the expense of protoenstatite. The calculated unit cell parameters of cordierites were between those of orthogonal and hexagonal cordierites (Group I) and corresponded to disordered orthorhombic rather than hexagonal cordierites (Group II). Group I cordierites had pore size maxima at about ~35 μm or ~20 μm, while Group II had maxima at about 35 (en)
Title	Influence of Vermiculite on the Formation of Porous Cordierites Influence of Vermiculite on the Formation of Porous Cordierites (en)
skos:prefLabel	Influence of Vermiculite on the Formation of Porous Cordierites Influence of Vermiculite on the Formation of Porous Cordierites (en)
skos:notation	RIV/61989100:27640/09:00021839!RIV10-GA0-27640___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA205/08/0869), P(ME08040), Z(MSM6198910016)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Valášková, Marta Smetana, Bedřich Simha Martynková, Gražyna Študentová, Soňa
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Centrum nanotechnologií
http://linked.open...dnocenehoVysledku	319421
http://linked.open...ai/riv/idVysledku	RIV/61989100:27640/09:00021839
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Talc; kaolinite; vermiculite; cordierite; phase analysis; porosity (en)
http://linked.open.../riv/klicoveSlovo	vermiculite phase analysis kaolinite porosity Talc cordierite
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[6CB6AD77FCB9]
http://linked.open...i/riv/nazevZdroje	Applied Clay Science
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Clay minerals as host matrices for functional nanostructures The role of clay minerals and friction mechanisms in automotive friction composites.
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Simha Martynková, Gražyna Smetana, Bedřich Valášková, Marta Študentová, Soňa
http://linked.open...n/vavai/riv/zamer	Syntéza, struktura a vlastnosti nanomateriálů založených na bázi interkalovaných fylosylikátů
issn	0169-1317
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	27640
is http://linked.open...avai/riv/vysledek of	Influence of Vermiculite on the Formation of Porous Cordierites

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