About: On the determination of the stress-free temperature for alumina-zirconia multilayer structures

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About: On the determination of the stress-free temperature for alumina-zirconia multilayer structures Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Internal residual stresses can enhance the fracture resistance and mechanical reliability of layered ceramics. The magnitude of the stresses depends on the elastic and thermal properties of the layers and the typically assumed reference (stress-free) temperature, below which internal stresses develop. A novel combined experimental and numerical simulation approach has been developed to determine the reference temperature and experimentally proved in alumina–zirconia ceramic laminates. Dilatometric data of monolithic phases are in put for the numerical simulation and experimental data on the laminate properties are used for the stress-free temperature determination. In contrast to typical assumptions, reference temperature very near the sintering temperature (i.e.approx. Tref=1470C) was found, which should be considered for the estimation of internal (residual) stresses in alumina/zirconia-based layered ceramics. Internal residual stresses can enhance the fracture resistance and mechanical reliability of layered ceramics. The magnitude of the stresses depends on the elastic and thermal properties of the layers and the typically assumed reference (stress-free) temperature, below which internal stresses develop. A novel combined experimental and numerical simulation approach has been developed to determine the reference temperature and experimentally proved in alumina–zirconia ceramic laminates. Dilatometric data of monolithic phases are in put for the numerical simulation and experimental data on the laminate properties are used for the stress-free temperature determination. In contrast to typical assumptions, reference temperature very near the sintering temperature (i.e.approx. Tref=1470C) was found, which should be considered for the estimation of internal (residual) stresses in alumina/zirconia-based layered ceramics. (en)
Title	On the determination of the stress-free temperature for alumina-zirconia multilayer structures On the determination of the stress-free temperature for alumina-zirconia multilayer structures (en)
skos:prefLabel	On the determination of the stress-free temperature for alumina-zirconia multilayer structures On the determination of the stress-free temperature for alumina-zirconia multilayer structures (en)
skos:notation	RIV/00216305:26620/14:PU107951!RIV15-MSM-26620___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(GAP108/11/1644)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Dlouhý, Ivo Maca, Karel Drdlík, Daniel
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	34427
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/14:PU107951
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Sintering, Thermal expansion, Zirconia, Alumina, Layered ceramics (en)
http://linked.open.../riv/klicoveSlovo	Layered ceramics Alumina Thermal expansion Zirconia Sintering
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3A135CBE9793]
http://linked.open...i/riv/nazevZdroje	Ceramics International
http://linked.open...in/vavai/riv/obor	JH
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Fracture mechanics characteristics of the interface of low toughness materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	2014 (40)
http://linked.open...iv/tvurceVysledku	Chlup, Zdeněk Dlouhý, Ivo Hadraba, Hynek Bermejo, Raul Maca, Karel Drdlík, Daniel
issn	0272-8842
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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