About: Experimental approach to fracture assessment of multilayer pipes

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	There is no general protection against failure of pipes, but the probability of failure can be reduced by a proper choice of materials and geometry. That is the reason why the multilayer-pipes became the task to be solved not only from the scientific point of view. In the presented work two and three layer pipes the new type of specimen taken directly from the pipes were suggested and tested. For two-layer pipe the critical value of J was estimated. The J is independent of the crack growth direction in the case when the normal line of the fracture surface is parallel with tangential direction. The difference between J value estimated at 23 and -20°C, respectively laid in scatter range. The influence of protective layer is insignificant if the crack length is up to the half of the thickness of the pipe. There is no general protection against failure of pipes, but the probability of failure can be reduced by a proper choice of materials and geometry. That is the reason why the multilayer-pipes became the task to be solved not only from the scientific point of view. In the presented work two and three layer pipes the new type of specimen taken directly from the pipes were suggested and tested. For two-layer pipe the critical value of J was estimated. The J is independent of the crack growth direction in the case when the normal line of the fracture surface is parallel with tangential direction. The difference between J value estimated at 23 and -20°C, respectively laid in scatter range. The influence of protective layer is insignificant if the crack length is up to the half of the thickness of the pipe. (en)
Title	Experimental approach to fracture assessment of multilayer pipes Experimental approach to fracture assessment of multilayer pipes (en)
skos:prefLabel	Experimental approach to fracture assessment of multilayer pipes Experimental approach to fracture assessment of multilayer pipes (en)
skos:notation	RIV/68081723:_____/09:00332100!RIV10-AV0-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/09/0279), P(GC101/09/J027), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Knésl, Zdeněk Hutař, Pavel
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	314207
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/09:00332100
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	multilayer pipes; brittle failure; non-homogenous specimens (en)
http://linked.open.../riv/klicoveSlovo	multilayer pipes brittle failure non-homogenous specimens
http://linked.open...ontrolniKodProRIV	[69B3753C752B]
http://linked.open...v/mistoKonaniAkce	Merseburg
http://linked.open...i/riv/mistoVydani	Merseburg
http://linked.open...i/riv/nazevZdroje	Tagungsband 12 Problemseminar
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Fracture damage mechanism of multilayer polymer body Correlation between structural changes, damage evolution and crack propagation behaviour of welded thermoplastics components
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Knésl, Zdeněk Nezbedová, E.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-06-24 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Polymer service GmbH
https://schema.org/isbn	978-3-86829-170-4

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