About: Thermostability of montmorillonitic clays

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.foundryworld.com/uploadfile/2014082755083137.pdf
Description	Bentonite is one of the most widespread used clays connected with various applications. In the case of foundry technology, bentonite is primarily used as a binder for mold manufacture. Thermal stability of bentonites is a natural property of clay minerals and it depends on the genesis, source and chemical composition of the clay. This property is also closely connected to bentonite structure. According to DTA analysis if only one peak of dehydroxylation is observed (about 600 degrees C), the cis-isomerism of bentonite is expected, while two peaks of de-hydroxylation (about 550 and 850 degrees C) are expected in the trans-one. In this overview, the bentonite structure, the water - bentonite interaction and the swelling behavior of bentonite in connection with the general technological properties of bentonite molding mixture are summarized. Further, various types of methods for determination of bentonite thermostability are discussed, including instrumental analytical methods as well as methods that employ evaluation of various technological properties of bentonite binders and/or bentonite molding mixtures. Bentonite is one of the most widespread used clays connected with various applications. In the case of foundry technology, bentonite is primarily used as a binder for mold manufacture. Thermal stability of bentonites is a natural property of clay minerals and it depends on the genesis, source and chemical composition of the clay. This property is also closely connected to bentonite structure. According to DTA analysis if only one peak of dehydroxylation is observed (about 600 degrees C), the cis-isomerism of bentonite is expected, while two peaks of de-hydroxylation (about 550 and 850 degrees C) are expected in the trans-one. In this overview, the bentonite structure, the water - bentonite interaction and the swelling behavior of bentonite in connection with the general technological properties of bentonite molding mixture are summarized. Further, various types of methods for determination of bentonite thermostability are discussed, including instrumental analytical methods as well as methods that employ evaluation of various technological properties of bentonite binders and/or bentonite molding mixtures. (en)
Title	Thermostability of montmorillonitic clays Thermostability of montmorillonitic clays (en)
skos:prefLabel	Thermostability of montmorillonitic clays Thermostability of montmorillonitic clays (en)
skos:notation	RIV/61989100:27360/14:86090057!RIV15-MSM-27360___
http://linked.open...avai/riv/aktivita	N
http://linked.open...avai/riv/aktivity	N
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Jelínek, Petr Beňo, Jaroslav
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 / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	50424
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/14:86090057
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SMECTITES; BENTONITE; SANDS; CIS-VACANT; TRANS-VACANT; clay; binder; thermostability; bentonite (en)
http://linked.open.../riv/klicoveSlovo	bentonite clay thermostability BENTONITE CIS-VACANT SANDS SMECTITES TRANS-VACANT binder
http://linked.open...odStatuVydavatele	CN - Čínská lidová republika
http://linked.open...ontrolniKodProRIV	[63CD106BE25A]
http://linked.open...i/riv/nazevZdroje	China Foundry
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	11
http://linked.open...iv/tvurceVysledku	Beňo, Jaroslav Jelínek, Petr Dobosz, Stanislaw M. Major-Gabrys, Katarzyna
http://linked.open...ain/vavai/riv/wos	000337807300010
issn	1672-6421
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	27360

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