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Article: Crystallization Pathways in Glass-ceramic by Sintering Cathode Ray Tube (CRT) Glass with Kaolin-based Precursors

TitleCrystallization Pathways in Glass-ceramic by Sintering Cathode Ray Tube (CRT) Glass with Kaolin-based Precursors
Authors
KeywordsCathode ray tube
Funnel glass
Kaolin
Hazardous Pb
Quantitative XRD
Issue Date2018
PublisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jeurceramsoc
Citation
Journal of the European Ceramic Society, 2018, v. 38 n. 15, p. 5184-5191 How to Cite?
AbstractThe crystallization mechanisms for the formation of glass-ceramics by sintering CRT glass with kaolin-based precursors were investigated by quantitatively determining the crystalline and amorphous phases in the products. Amorphization of sintered products was observed in CRT/kaolinite and CRT/mullite glass-ceramics systems at 700-900 degrees C. With the increase of temperature, the crystallochemical formation of lead feldspar and orthoclase was detected. Orthoclase was found to be the major crystalline phase in both CRT/kaolinite and CRT/mullite systems at 1000-1100 degrees C. When the temperature increased to 1000-1100 degrees C, lead feldspar was formed as the only crystalline phase to host Pb. The leaching tests suggested that the glass-ceramic product sintered by CRT/kaolin-based precursors has stronger resistance against acid attack because of the incorporation of lead into lead feldspar crystal protected by glass matrix. The incorporation of CRT glass into glass-ceramics provides a promising strategy for reducing the environmental hazard of CRT glass.
Persistent Identifierhttp://hdl.handle.net/10722/261726
ISSN
2017 Impact Factor: 3.794
2015 SCImago Journal Rankings: 1.177
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLu, X-
dc.contributor.authorYang, J-
dc.contributor.authorNing, XA-
dc.contributor.authorShih, K-
dc.contributor.authorWang, F-
dc.date.accessioned2018-09-28T04:46:45Z-
dc.date.available2018-09-28T04:46:45Z-
dc.date.issued2018-
dc.identifier.citationJournal of the European Ceramic Society, 2018, v. 38 n. 15, p. 5184-5191-
dc.identifier.issn0955-2219-
dc.identifier.urihttp://hdl.handle.net/10722/261726-
dc.description.abstractThe crystallization mechanisms for the formation of glass-ceramics by sintering CRT glass with kaolin-based precursors were investigated by quantitatively determining the crystalline and amorphous phases in the products. Amorphization of sintered products was observed in CRT/kaolinite and CRT/mullite glass-ceramics systems at 700-900 degrees C. With the increase of temperature, the crystallochemical formation of lead feldspar and orthoclase was detected. Orthoclase was found to be the major crystalline phase in both CRT/kaolinite and CRT/mullite systems at 1000-1100 degrees C. When the temperature increased to 1000-1100 degrees C, lead feldspar was formed as the only crystalline phase to host Pb. The leaching tests suggested that the glass-ceramic product sintered by CRT/kaolin-based precursors has stronger resistance against acid attack because of the incorporation of lead into lead feldspar crystal protected by glass matrix. The incorporation of CRT glass into glass-ceramics provides a promising strategy for reducing the environmental hazard of CRT glass.-
dc.languageeng-
dc.publisherElsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jeurceramsoc-
dc.relation.ispartofJournal of the European Ceramic Society-
dc.subjectCathode ray tube-
dc.subjectFunnel glass-
dc.subjectKaolin-
dc.subjectHazardous Pb-
dc.subjectQuantitative XRD-
dc.titleCrystallization Pathways in Glass-ceramic by Sintering Cathode Ray Tube (CRT) Glass with Kaolin-based Precursors-
dc.typeArticle-
dc.identifier.emailShih, K: kshih@hku.hk-
dc.identifier.authorityShih, K=rp00167-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jeurceramsoc.2018.06.047-
dc.identifier.scopuseid_2-s2.0-85049445351-
dc.identifier.hkuros292694-
dc.identifier.volume38-
dc.identifier.issue15-
dc.identifier.spage5184-
dc.identifier.epage5191-
dc.identifier.isiWOS:000444664300044-
dc.publisher.placeUnited Kingdom-

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