About: NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Low calcium ground fly ash was activated with a sodium-silicate solution and cured under ambient and heat conditions. Nanoindentation was employed for the characterization of reaction product, mainly alumino-silicate gel (N-A-S-H gel). Samples were indented by series of grids consisting hundreds of indents each. The intrinsic Young's modulus of N-A-S-H gel was found to be around the mean value 17.7 GPa, regardless on the curing procedure. Other characteristic phases were also identified, namely partly-activated slag, non-activated slag and fly ash particles. Results of pore size distributions measured by mercury intrusion porosimetry (MIP) were systematically observed depending on the curing procedure. Additional measurements with the same methodology were carried out on cement paste samples. The synthetized N-A-S-H gel was found to be mechanically very close to C-S-H gels in matured cement pastes. Low calcium ground fly ash was activated with a sodium-silicate solution and cured under ambient and heat conditions. Nanoindentation was employed for the characterization of reaction product, mainly alumino-silicate gel (N-A-S-H gel). Samples were indented by series of grids consisting hundreds of indents each. The intrinsic Young's modulus of N-A-S-H gel was found to be around the mean value 17.7 GPa, regardless on the curing procedure. Other characteristic phases were also identified, namely partly-activated slag, non-activated slag and fly ash particles. Results of pore size distributions measured by mercury intrusion porosimetry (MIP) were systematically observed depending on the curing procedure. Additional measurements with the same methodology were carried out on cement paste samples. The synthetized N-A-S-H gel was found to be mechanically very close to C-S-H gels in matured cement pastes. (en)
Title	NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH (en)
skos:prefLabel	NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH (en)
skos:notation	RIV/68407700:21110/10:00168862!RIV11-GA0-21110___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA103/08/1639), P(GA103/09/1748), Z(MSM 210000003)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kopecký, Lubomír Němeček, Jiří Šmilauer, Vít Němečková, Jitka
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	273616
http://linked.open...ai/riv/idVysledku	RIV/68407700:21110/10:00168862
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Alkali-activated fly ash; Cement; N-A-S-H gel; C-S-H gel; Mercury intrusion porosimetry; Nanoindentation (en)
http://linked.open.../riv/klicoveSlovo	Alkali-activated fly ash Mercury intrusion porosimetry C-S-H gel Cement Nanoindentation N-A-S-H gel
http://linked.open...ontrolniKodProRIV	[D614C44D6860]
http://linked.open...v/mistoKonaniAkce	Irvine
http://linked.open...i/riv/mistoVydani	Washington
http://linked.open...i/riv/nazevZdroje	Nanotechnology in Cement and Concrete
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Microstructure of inorganic aluminosilicate polymers Integration of experimental nanoindentation with numerical tools for upscaling of nanomechanical properties of heteregeneous materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Kopecký, Lubomír Němeček, Jiří Šmilauer, Vít Němečková, Jitka
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000277673200008
http://linked.open.../riv/zahajeniAkce	2010-05-05 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20210000003
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Transportation Research Board
https://schema.org/isbn	978-0-309-14276-2
http://localhost/t...ganizacniJednotka	21110
is http://linked.open...avai/riv/vysledek of	NANOINDENTATION OF ALKALI-ACTIVATED FLY ASH

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