About: Mechanical Properties of Kaolin-Base Ceramics During Firing

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Results obtained by mf-TMA during heating showed a direct relationship between the elastic properties of kaolin and green porcelain samples. Young's modulus and the mechanical strength of the green porcelain sample seem to be determined by the properties of the interfaces between kaolinite crystals. Mechanical properties improve between 50 - 250 oC and then between 650 - 1100 oC, which can be explained by solid-phase sintering. Young's modulus and the mechanical strength in the cooling stage of firing are predominantly determined by the stresses created and relaxed between the glassy phase and the quartz grains. They are a source of microcracks that are mostly located in the vicinity of the quartz grains. As a consequence, Young's modulus and the mechanical strength decrease. Results obtained using the AE technique reveal several stages of microcracking. This process begins at the temperature of the glass transition. At the temperature of the β RIGHTWARDS ARROW α transition, cracking is temporarily interrupted and a partial recovery of the structure occurs. Below this temperature circumferential cracks around the particles appear with less intensity, especially when the temperature is decreased below 300 oC. Results obtained by mf-TMA during heating showed a direct relationship between the elastic properties of kaolin and green porcelain samples. Young's modulus and the mechanical strength of the green porcelain sample seem to be determined by the properties of the interfaces between kaolinite crystals. Mechanical properties improve between 50 - 250 oC and then between 650 - 1100 oC, which can be explained by solid-phase sintering. Young's modulus and the mechanical strength in the cooling stage of firing are predominantly determined by the stresses created and relaxed between the glassy phase and the quartz grains. They are a source of microcracks that are mostly located in the vicinity of the quartz grains. As a consequence, Young's modulus and the mechanical strength decrease. Results obtained using the AE technique reveal several stages of microcracking. This process begins at the temperature of the glass transition. At the temperature of the β RIGHTWARDS ARROW α transition, cracking is temporarily interrupted and a partial recovery of the structure occurs. Below this temperature circumferential cracks around the particles appear with less intensity, especially when the temperature is decreased below 300 oC. (en)
Title	Mechanical Properties of Kaolin-Base Ceramics During Firing Mechanical Properties of Kaolin-Base Ceramics During Firing (en)
skos:prefLabel	Mechanical Properties of Kaolin-Base Ceramics During Firing Mechanical Properties of Kaolin-Base Ceramics During Firing (en)
skos:notation	RIV/00216208:11320/11:10108718!RIV12-GA0-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP108/11/1267), Z(MSM0021620834)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Chmelík, František
http://linked.open.../riv/druhVysledku	C - Kapitola v knize
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	211247
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/11:10108718
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Firing; Kaolin-Base Ceramics; Mechanical Properties (en)
http://linked.open.../riv/klicoveSlovo	Mechanical Properties Firing Kaolin-Base Ceramics
http://linked.open...ontrolniKodProRIV	[3BB788019787]
http://linked.open...i/riv/mistoVydani	Chorvatsko, Rijeka
http://linked.open...vEdiceCisloSvazku	Neuveden
http://linked.open...i/riv/nazevZdroje	Advances in Ceramics - Characterization, Raw Materials, Processing, Properties, Degradation and Healing
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...v/pocetStranKnihy	370 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Multiscale investigation of plastic deformation processes in materials by the acoustic emission technique
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Chmelík, František Štubňa, I. Vozár, L. Trník, A.
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
number of pages	16 (xsd:int)
http://purl.org/ne...btex#hasPublisher	InTech
https://schema.org/isbn	978-953-307-504-4
http://localhost/t...ganizacniJednotka	11320

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