About: A numerical methodology for lifetime estimation of HDPE pressure pipes

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Using linear elastic fracture mechanics a new methodology for a lifetime assessment of internally pressurized polymer pipes was developed. The concept is based on the numerical calculation of stress intensity factors for pipes under different loading conditions in combination with experimentally determined creep crack growth kinetics. Comparison of simulated lifetimes with experimental data from tests of internally pressurized pipes proved the principal applicability of the concept suggested. Major parameters affecting the pipe lifetime are identified and discussed. Combination of the creep crack growth tests and numerical simulations can be a very powerful tool for lifetime estimation of plastic pipes under different loading conditions. Using linear elastic fracture mechanics a new methodology for a lifetime assessment of internally pressurized polymer pipes was developed. The concept is based on the numerical calculation of stress intensity factors for pipes under different loading conditions in combination with experimentally determined creep crack growth kinetics. Comparison of simulated lifetimes with experimental data from tests of internally pressurized pipes proved the principal applicability of the concept suggested. Major parameters affecting the pipe lifetime are identified and discussed. Combination of the creep crack growth tests and numerical simulations can be a very powerful tool for lifetime estimation of plastic pipes under different loading conditions. (en)
Title	A numerical methodology for lifetime estimation of HDPE pressure pipes A numerical methodology for lifetime estimation of HDPE pressure pipes (en)
skos:prefLabel	A numerical methodology for lifetime estimation of HDPE pressure pipes A numerical methodology for lifetime estimation of HDPE pressure pipes (en)
skos:notation	RIV/68081723:_____/11:00370344!RIV12-AV0-68081723
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA106/09/0279), P(GC101/09/J027), S, Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	17
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Náhlík, Luboš Hutař, Pavel Ševčík, Martin
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
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	184036
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/11:00370344
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	time to failure curve; fracture mechanics; PE pipes; creep crack growth; lifetime estimation (en)
http://linked.open.../riv/klicoveSlovo	fracture mechanics PE pipes creep crack growth lifetime estimation time to failure curve
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[543E288B15F3]
http://linked.open...i/riv/nazevZdroje	Engineering Fracture Mechanics
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (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	2011
http://linked.open...v/svazekPeriodika	78
http://linked.open...iv/tvurceVysledku	Frank, A. Hutař, Pavel Mitev, I. Náhlík, Luboš Pinter, G. Ševčík, Martin
http://linked.open...ain/vavai/riv/wos	000301734000017
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	0013-7944
number of pages	10 (xsd:int)

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