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Statements

Subject Item
n2:RIV%2F68081723%3A_____%2F07%3A00099676%21RIV08-AV0-68081723
rdf:type
skos:Concept n20:Vysledek
dcterms:description
Glass matrix composites are a perspective structural material for many applications due to their low production expenses and satisfactory properties even at elevated temperatures. The choice of borosilicate glass matrix composite reinforced by alumina platelets was due to expected improvement of mechanical properties especially of fracture resistance and flexural strength. The alumina platelets have a higher ability to deflect propagating crack in comparison with particles of spherical or rectangular geometry having the same volume fraction. Fracture toughness determination was conducted using chevron notch technique. The fractographical analysis was employed to reveal vitality of toughening mechanism with increasing content of reinforcement. In composite with 30% of alumina platelets the toughening mechanism was suppressed by presence of close packed platelets. Kompozity se skelnou matricí se jeví jako perspektivní materiál díky své malé výrobní ceně. V této práci byl studován kompozit se skelnou matricí vyztužený korundovými destičkami. Byly studovány relace mezi zhouževnaťujícími mechanismy a drsností vniklého nového povrchu. Lomová houževnatost byla určena pomocí metody chevronového vrubu. Faktografická analýza byla využita k identifikaci zhouževnaťujících mechanismů u kompozitů s různým podílem výztuže. Glass matrix composites are a perspective structural material for many applications due to their low production expenses and satisfactory properties even at elevated temperatures. The choice of borosilicate glass matrix composite reinforced by alumina platelets was due to expected improvement of mechanical properties especially of fracture resistance and flexural strength. The alumina platelets have a higher ability to deflect propagating crack in comparison with particles of spherical or rectangular geometry having the same volume fraction. Fracture toughness determination was conducted using chevron notch technique. The fractographical analysis was employed to reveal vitality of toughening mechanism with increasing content of reinforcement. In composite with 30% of alumina platelets the toughening mechanism was suppressed by presence of close packed platelets.
dcterms:title
Fracture toughness and surface roughness characteristics of glass matrix composite reinforced by alumina platelets Fracture toughness and surface roughness characteristics of glass matrix composite reinforced by alumina platelets Lomová houževnatost a povrchová drsnost u kompozitu se skelnou matricí vyztuženou korundovými destičkami
skos:prefLabel
Lomová houževnatost a povrchová drsnost u kompozitu se skelnou matricí vyztuženou korundovými destičkami Fracture toughness and surface roughness characteristics of glass matrix composite reinforced by alumina platelets Fracture toughness and surface roughness characteristics of glass matrix composite reinforced by alumina platelets
skos:notation
RIV/68081723:_____/07:00099676!RIV08-AV0-68081723
n4:strany
1;9
n4:aktivita
n8:P n8:Z
n4:aktivity
P(GP106/05/P119), P(IAA200410502), Z(AV0Z20410507)
n4:dodaniDat
n17:2008
n4:domaciTvurceVysledku
n18:8162840 n18:5798574
n4:druhVysledku
n10:D
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
422491
n4:idVysledku
RIV/68081723:_____/07:00099676
n4:jazykVysledku
n9:eng
n4:klicovaSlova
glass matrix composites; fracture toughness; surface roughness
n4:klicoveSlovo
n5:glass%20matrix%20composites n5:fracture%20toughness n5:surface%20roughness
n4:kontrolniKodProRIV
[4AE39680898C]
n4:mistoKonaniAkce
Toronto
n4:mistoVydani
USA
n4:nazevZdroje
Proceedings of the 1st International Congress on Ceramics: a Global Roadmap
n4:obor
n16:JL
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n7:IAA200410502 n7:GP106%2F05%2FP119
n4:rokUplatneniVysledku
n17:2007
n4:tvurceVysledku
Dlouhý, Ivo Chlup, Zdeněk Boccaccini, A. R.
n4:typAkce
n13:WRD
n4:zahajeniAkce
2006-06-25+02:00
n4:zamer
n11:AV0Z20410507
s:numberOfPages
9
n12:hasPublisher
Wiley
n21:isbn
978-0-470-10491-0