About: Fracture Mechanics Model of a Weld Bead

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the case of large diameter HDPE and/or PP pipes the most usual joint is the butt weld. This paper focuses on fracture mechanics modeling of a weld bead. To this aim a stress concentrator created by connection between the weld bead and the pipes free surface is considered as a notch. In the first part of the contribution the connection of a weld bead and the pipes free surface is studied from the point of linear elastic fracture mechanics and the influence of high stress concentration in this region on crack initiation and propagation is discussed. In the second part the behavior of the weld bead under creep loading is studied. It is demonstrated that in the case of creep loading conditions the existence of stress concentrators caused by the weld bead has no negative influence on the life time of welded pipes. In the case of large diameter HDPE and/or PP pipes the most usual joint is the butt weld. This paper focuses on fracture mechanics modeling of a weld bead. To this aim a stress concentrator created by connection between the weld bead and the pipes free surface is considered as a notch. In the first part of the contribution the connection of a weld bead and the pipes free surface is studied from the point of linear elastic fracture mechanics and the influence of high stress concentration in this region on crack initiation and propagation is discussed. In the second part the behavior of the weld bead under creep loading is studied. It is demonstrated that in the case of creep loading conditions the existence of stress concentrators caused by the weld bead has no negative influence on the life time of welded pipes. (en)
Title	Fracture Mechanics Model of a Weld Bead Fracture Mechanics Model of a Weld Bead (en)
skos:prefLabel	Fracture Mechanics Model of a Weld Bead Fracture Mechanics Model of a Weld Bead (en)
skos:notation	RIV/00216305:26210/11:PU96267!RIV12-MSM-26210___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	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	Vysoké učení technické v Brně / Fakulta strojního inženýrství
http://linked.open...dnocenehoVysledku	200289
http://linked.open...ai/riv/idVysledku	RIV/00216305:26210/11:PU96267
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	creep, notch, stress concentration, stress triaxiality, polymer weld (en)
http://linked.open.../riv/klicoveSlovo	notch stress concentration stress triaxiality creep polymer weld
http://linked.open...ontrolniKodProRIV	[4270E49BC7B9]
http://linked.open...v/mistoKonaniAkce	Halle-Merseburg
http://linked.open...i/riv/mistoVydani	Merseburg
http://linked.open...i/riv/nazevZdroje	13. Tagung Problemseminar Deformation und Bruchverhalten von Kunstoffen
http://linked.open...in/vavai/riv/obor	JL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Hutař, Pavel Knésl, Zdeněk Ševčík, Martin Grellmann, Wolfgang Lach, Ralf Nezbedová, Eva
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2011-06-29 (xsd:date)
number of pages	598 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	978-3-86829-400-2
http://localhost/t...ganizacniJednotka	26210

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