About: Inaccuracy in Residual Stress Estimation and Its Influence on the Residual Lifetime of Polymer Pipe

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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	This paper presents a methodology suitable for estimation of residual lifetime of polymer pipes. The linear and non-linear distribution of residual stresses in the pipe wall is studied using FEM analysis. The approximate relation for the stress intensity factor calculation is presented. It is shown that the presented relation gives a stress intensity factor similar to the FEM analysis for the linear or non-linear distribution of residual stress. The suggested procedure produces a slightly conservative lifetime estimation where the accuracy of the procedure increases with increasing ratio between applied internal pressure level to residual stress level. The accuracy of the residual stress estimation and corresponding stress intensity factor is discussed and a final recommendation for lifetime determination based on simplified methodology is given. This paper presents a methodology suitable for estimation of residual lifetime of polymer pipes. The linear and non-linear distribution of residual stresses in the pipe wall is studied using FEM analysis. The approximate relation for the stress intensity factor calculation is presented. It is shown that the presented relation gives a stress intensity factor similar to the FEM analysis for the linear or non-linear distribution of residual stress. The suggested procedure produces a slightly conservative lifetime estimation where the accuracy of the procedure increases with increasing ratio between applied internal pressure level to residual stress level. The accuracy of the residual stress estimation and corresponding stress intensity factor is discussed and a final recommendation for lifetime determination based on simplified methodology is given. (en)
Title	Inaccuracy in Residual Stress Estimation and Its Influence on the Residual Lifetime of Polymer Pipe Inaccuracy in Residual Stress Estimation and Its Influence on the Residual Lifetime of Polymer Pipe (en)
skos:prefLabel	Inaccuracy in Residual Stress Estimation and Its Influence on the Residual Lifetime of Polymer Pipe Inaccuracy in Residual Stress Estimation and Its Influence on the Residual Lifetime of Polymer Pipe (en)
skos:notation	RIV/68081723:_____/14:00434713!RIV15-GA0-68081723
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(EE2.3.30.0063), P(GAP108/12/1560)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Poduška, Jan Náhlík, Luboš Hutař, Pavel Ševčík, Martin
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	21099
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/14:00434713
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	residual stress; polymer pipe; slow crack growth; lifetime estimation (en)
http://linked.open.../riv/klicoveSlovo	slow crack growth residual stress polymer pipe lifetime estimation
http://linked.open...ontrolniKodProRIV	[5B083D29DD17]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Zurich
http://linked.open...i/riv/nazevZdroje	Materials Structure and Micromechanics of Fracture VII
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Talented postdocs for scientific excellence in physics of materials Description of the slow crack growth in polymer materials under complex loading conditions Central european institute of technology
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Kučera, J. Náhlík, Luboš Ševčík, Martin Poduška, Jan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000336694400034
http://linked.open.../riv/zahajeniAkce	2013-07-01 (xsd:date)
issn	1013-9826
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.4028/www.scientific.net/KEM.592-593.165
http://purl.org/ne...btex#hasPublisher	Trans Tech Publications
https://schema.org/isbn	978-3-03785-934-6

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