About: Porous Alumina and Zirconia Ceramics With Tailored Thermal Conductivity

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The thermal conductivity of porous ceramics can be tailored by slip casting and uniaxial dry pressing, using either fugitive pore formers (saccharides) or partial sintering. Porous alumina and zirconia ceramics have been prepared using appropriate powder types (ungranulated for casting, granulated for pressing) and identical firing regimes (but different maximum temperatures in the case of partial sintering). Thermal diffusivities have been measured by the laser- and xenon-flash method and transformed into relative thermal conductivities, which enable a temperature-independent comparison between different materials. While the porosity can be controlled in a similar way for both materials when using pore formers, partial sintering exhibits characteristic differences between alumina and zirconia (for alumina porosities below 45 %, full density above 1600 °C, for zirconia porosities below 60 %, full density above 1300 °C). The different compaction behavior of alumina and zirconia The thermal conductivity of porous ceramics can be tailored by slip casting and uniaxial dry pressing, using either fugitive pore formers (saccharides) or partial sintering. Porous alumina and zirconia ceramics have been prepared using appropriate powder types (ungranulated for casting, granulated for pressing) and identical firing regimes (but different maximum temperatures in the case of partial sintering). Thermal diffusivities have been measured by the laser- and xenon-flash method and transformed into relative thermal conductivities, which enable a temperature-independent comparison between different materials. While the porosity can be controlled in a similar way for both materials when using pore formers, partial sintering exhibits characteristic differences between alumina and zirconia (for alumina porosities below 45 %, full density above 1600 °C, for zirconia porosities below 60 %, full density above 1300 °C). The different compaction behavior of alumina and zirconia (en)
Title	Porous Alumina and Zirconia Ceramics With Tailored Thermal Conductivity Porous Alumina and Zirconia Ceramics With Tailored Thermal Conductivity (en)
skos:prefLabel	Porous Alumina and Zirconia Ceramics With Tailored Thermal Conductivity Porous Alumina and Zirconia Ceramics With Tailored Thermal Conductivity (en)
skos:notation	RIV/61389021:_____/12:00392788!RIV14-AV0-61389021
http://linked.open...avai/predkladatel	Ústav fyziky plazmatu AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/1170)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Matějíček, Jiří
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	Ústav fyziky plazmatu AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	159715
http://linked.open...ai/riv/idVysledku	RIV/61389021:_____/12:00392788
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ceramics; alumina; zirconia; porosity; thermal conductivity; pore-forming agent; oxide ceramics; starch; porosity (en)
http://linked.open.../riv/klicoveSlovo	starch porosity oxide ceramics pore-forming agent thermal conductivity Ceramics zirconia alumina
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[AD2C85859B29]
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	JK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Porous Ceramics with Tailored Elasticity and Thermal Conductivity
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	395
http://linked.open...iv/tvurceVysledku	Matějíček, Jiří Sofer, Z. Gregorová, E. Pabst, W. Jankovský, O.
http://linked.open...ain/vavai/riv/wos	000312264800022
issn	1742-6588
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/395/1/012022

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