Fracture Mechanics Model of a Weld Bead

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F11%3APU96267" target="_blank" >RIV/00216305:26210/11:PU96267 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Fracture Mechanics Model of a Weld Bead
Original language 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.
Czech name
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Czech description
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Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
13. Tagung Problemseminar Deformation und Bruchverhalten von Kunstoffen
ISBN
978-3-86829-400-2
ISSN
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e-ISSN
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Number of pages
598
Pages from-to
570-573
Publisher name
Neuveden
Place of publication
Merseburg
Event location
Halle-Merseburg
Event date
Jun 29, 2011
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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