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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F10%3A00372237%21RIV12-AV0-61388955
rdf:type
skos:Concept n18:Vysledek
dcterms:description
In this work properties of geopolymer matrices based on silica fumed prepared with different alumina sources and phosphoric acid were discussed. To evaluate the pot-life of geopolymer resin at room temperature, the viscosity of geopolymer resins was coherently measured. Matrices were analyzed by means of XRD, FTIR ATR, SEM-EDS, (27)Al, (29)Si and (31)P MAS NMR. Thermodimensional stability of fiber-reinforced composites was measured by dilatometry. Water resistance was tested in boiling water; chemical composition and NMR spectra of treated geopolymer matrices were analyzed. The nature of the alumina source influenced the mechanical and thermomechanical properties of the matrix. Although the phosphorus added enhanced the dimensional stability of geopolymer matrix/composites at high temperature, more than 50% of phosphorus was soluble and washed out of the matrix during boiling in water. The rest of phosphorus was probably bound to geopolymer or adhered to silica fumed particles. In this work properties of geopolymer matrices based on silica fumed prepared with different alumina sources and phosphoric acid were discussed. To evaluate the pot-life of geopolymer resin at room temperature, the viscosity of geopolymer resins was coherently measured. Matrices were analyzed by means of XRD, FTIR ATR, SEM-EDS, (27)Al, (29)Si and (31)P MAS NMR. Thermodimensional stability of fiber-reinforced composites was measured by dilatometry. Water resistance was tested in boiling water; chemical composition and NMR spectra of treated geopolymer matrices were analyzed. The nature of the alumina source influenced the mechanical and thermomechanical properties of the matrix. Although the phosphorus added enhanced the dimensional stability of geopolymer matrix/composites at high temperature, more than 50% of phosphorus was soluble and washed out of the matrix during boiling in water. The rest of phosphorus was probably bound to geopolymer or adhered to silica fumed particles.
dcterms:title
PROPERTIES OF PHOSPHORUS-CONTAINING GEOPOLYMER MATRIX AND FIBER-REINFORCED COMPOSITE PROPERTIES OF PHOSPHORUS-CONTAINING GEOPOLYMER MATRIX AND FIBER-REINFORCED COMPOSITE
skos:prefLabel
PROPERTIES OF PHOSPHORUS-CONTAINING GEOPOLYMER MATRIX AND FIBER-REINFORCED COMPOSITE PROPERTIES OF PHOSPHORUS-CONTAINING GEOPOLYMER MATRIX AND FIBER-REINFORCED COMPOSITE
skos:notation
RIV/61388955:_____/10:00372237!RIV12-AV0-61388955
n3:aktivita
n7:Z n7:P
n3:aktivity
P(FT-TA4/068), Z(AV0Z40400503), Z(AV0Z40500505)
n3:dodaniDat
n6:2012
n3:domaciTvurceVysledku
n10:3023338 n10:9628983 n10:5021197
n3:druhVysledku
n21:D
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
282934
n3:idVysledku
RIV/61388955:_____/10:00372237
n3:jazykVysledku
n19:eng
n3:klicovaSlova
geopolymer matrix; XRD; FTIR ATR
n3:klicoveSlovo
n4:geopolymer%20matrix n4:XRD n4:FTIR%20ATR
n3:kontrolniKodProRIV
[58F53A653C1E]
n3:mistoKonaniAkce
Dayota Beach
n3:mistoVydani
Westerville
n3:nazevZdroje
MECHANICAL PROPERTIES AND PERFORMANCE OF ENGINEERING CERAMICS AND COMPOSITES IV
n3:obor
n11:CF
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
8
n3:projekt
n16:FT-TA4%2F068
n3:rokUplatneniVysledku
n6:2010
n3:tvurceVysledku
Kroisová, D. Roubíček, P. Sobalík, Zdeněk Bortnovsky, O. Urbanová, Martina Dědeček, Jiří Bezucha, P. Vodičková, V.
n3:typAkce
n8:WRD
n3:wos
000281694100027
n3:zahajeniAkce
2009-01-18+01:00
n3:zamer
n20:AV0Z40500505 n20:AV0Z40400503
s:numberOfPages
17
n9:hasPublisher
Amer. Ceram. Soc
n17:isbn
978-0-470-45752-8