About: Short-beam strength of GF/polyester composites and their durability to aqueous environments

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Byla kontrolovana stabilita pultrudovaných a ručně kladených kompozitních materiálů ve vodném prostředí ve studené a teplé vodě. Byla pozorována degradace zkusebních tělísek pomocí SBS testu a SEM mikroskopie. (cs) Pultruded and hand lay-up glass fiber (GF)/polyester composites have been exposed to cold (25 °C) and hot (98 °C) distilled water for 1 year and 60 hours, respectively, to evaluate an interfacial contribution to hygrothermal behavior of the composites reinforced by commercially sized (silane coupling agents) and unsized glass fibers. Short beam strength, used to characterize an interfacial degradation on macroscopic scale, decreased by about 20 % and 50 % after one-year exposure in cold water and 60-h eexposure in hot water, respectively, for composites reinforced by sized fibers. Commercial sizing formed strong interfaces and the absorbed moisture influenced just the matrix morphology and its structure inspected by SEM. However, long-term water exposure or hot water deteriorated a joint at the interface and caused decrease of shear properties. Hot water accelerated water diffusion process as evidenced by higher diffusion coefficients. A steeper decrease of short beam strength with time was observed f Pultruded and hand lay-up glass fiber (GF)/polyester composites have been exposed to cold (25 °C) and hot (98 °C) distilled water for 1 year and 60 hours, respectively, to evaluate an interfacial contribution to hygrothermal behavior of the composites reinforced by commercially sized (silane coupling agents) and unsized glass fibers. Short beam strength, used to characterize an interfacial degradation on macroscopic scale, decreased by about 20 % and 50 % after one-year exposure in cold water and 60-h eexposure in hot water, respectively, for composites reinforced by sized fibers. Commercial sizing formed strong interfaces and the absorbed moisture influenced just the matrix morphology and its structure inspected by SEM. However, long-term water exposure or hot water deteriorated a joint at the interface and caused decrease of shear properties. Hot water accelerated water diffusion process as evidenced by higher diffusion coefficients. A steeper decrease of short beam strength with time was observed f (en)
Title	PEvnost krátkých trámečků sklovláknového kompozitního materiálu a jejich životnost ve vodném prostředí (cs) Short-beam strength of GF/polyester composites and their durability to aqueous environments Short-beam strength of GF/polyester composites and their durability to aqueous environments (en)
skos:prefLabel	PEvnost krátkých trámečků sklovláknového kompozitního materiálu a jejich životnost ve vodném prostředí (cs) Short-beam strength of GF/polyester composites and their durability to aqueous environments Short-beam strength of GF/polyester composites and their durability to aqueous environments (en)
skos:notation	RIV/00216305:26310/04:PU49368!RIV06-GA0-26310___
http://linked.open.../vavai/riv/strany	1-4
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/03/0236), P(ME 597), P(OC 527.110)
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Přikryl, Radek Bálková, Radka Čech, Vladimír Vaněk, Jan
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	Vysoké učení technické v Brně / Fakulta chemická
http://linked.open...dnocenehoVysledku	586110
http://linked.open...ai/riv/idVysledku	RIV/00216305:26310/04:PU49368
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	key (en)
http://linked.open.../riv/klicoveSlovo	key
http://linked.open...ontrolniKodProRIV	[D5155AABF51E]
http://linked.open...v/mistoKonaniAkce	Karlovy Vary
http://linked.open...i/riv/mistoVydani	Maďarsko
http://linked.open...i/riv/nazevZdroje	Proc. Reinforced Plastics 2004
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20527.110 Optimised interphase in glass fibre/polyester composite system http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20597
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Bálková, Radka Přikryl, Radek Vaněk, Jan Čech, Vladimír
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2004-05-25 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
http://localhost/t...ganizacniJednotka	26310

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