About: ALUMINIUM FOAM: PREDICTION OF MACROSCOPIC ELASTIC PROPERTIES USING NANOINDENTATION AND UP-SCALING MODEL

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper is focused on the prediction of macroscopic elastic properties of highly porous aluminium foam. The material is characterized by a closed pore system with very thin pore walls and large air pores. Intrinsic material properties of cell wall constituents are assessed with nanoindentation whereas analytical homogenizations are employed for the assessment of the cell wall elastic properties. Very good agreement was found between the various analytical estimates. Two-dimensional microstructural FEM model was applied to obtain effective elastic properties of the upper material level for which the Young's modulus ranges from 1.11 GPa to 1.4 GPa depending on the size of the evaluated area. The estimated range of values was lower in comparison with experimental results obtained from experimental compression tests. It follows from the 2-D approximation that the 2-D model underestimates the stiffness, compared to the real case constrained in 3-D. Therefore, more appropriate 3-D model based on microCT data will be prepared in the future work. This paper is focused on the prediction of macroscopic elastic properties of highly porous aluminium foam. The material is characterized by a closed pore system with very thin pore walls and large air pores. Intrinsic material properties of cell wall constituents are assessed with nanoindentation whereas analytical homogenizations are employed for the assessment of the cell wall elastic properties. Very good agreement was found between the various analytical estimates. Two-dimensional microstructural FEM model was applied to obtain effective elastic properties of the upper material level for which the Young's modulus ranges from 1.11 GPa to 1.4 GPa depending on the size of the evaluated area. The estimated range of values was lower in comparison with experimental results obtained from experimental compression tests. It follows from the 2-D approximation that the 2-D model underestimates the stiffness, compared to the real case constrained in 3-D. Therefore, more appropriate 3-D model based on microCT data will be prepared in the future work. (en)
Title	ALUMINIUM FOAM: PREDICTION OF MACROSCOPIC ELASTIC PROPERTIES USING NANOINDENTATION AND UP-SCALING MODEL ALUMINIUM FOAM: PREDICTION OF MACROSCOPIC ELASTIC PROPERTIES USING NANOINDENTATION AND UP-SCALING MODEL (en)
skos:prefLabel	ALUMINIUM FOAM: PREDICTION OF MACROSCOPIC ELASTIC PROPERTIES USING NANOINDENTATION AND UP-SCALING MODEL ALUMINIUM FOAM: PREDICTION OF MACROSCOPIC ELASTIC PROPERTIES USING NANOINDENTATION AND UP-SCALING MODEL (en)
skos:notation	RIV/68407700:21110/12:00198321!RIV13-GA0-21110___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP105/12/0824), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Němeček, Jiří Králík, Vlastimil
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta stavební
http://linked.open...dnocenehoVysledku	121792
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/12:00198321
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Metal foam; porous system; nanoindentation; micromechanical properties; homogenization (en)
http://linked.open.../riv/klicoveSlovo	Metal foam porous system micromechanical properties homogenization nanoindentation
http://linked.open...ontrolniKodProRIV	[1701D181B0EF]
http://linked.open...v/mistoKonaniAkce	Prague
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Proceedings of the 3rd Conference Nano and Macro Mechanics NMM 2012
http://linked.open...in/vavai/riv/obor	JN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Determination of Structural and Mechanical Properties of Metal Foams Using Nanoindentation, Computer tomography and Microstructural FEM models
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Králík, Vlastimil Němeček, Jiří
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-09-20 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	České vysoké učení technické v Praze. Fakulta stavební
https://schema.org/isbn	978-80-01-05097-2
http://localhost/t...ganizacniJednotka	21110

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