Fracture description of two- layer pipe with polypropylene protective layer

0353962 - ÚFM 2011 RIV CZ eng K - Konferenční příspěvek (tuzemská konf.)
Zouhar, Michal - Hutař, Pavel - Náhlík, Luboš - Vallet, L.
Fracture description of two- layer pipe with polypropylene protective layer.
Applied Mechanics 2010. Liberec: Technická univerzita v Liberci, 2010 - (Blekta, J.), s. 135-138. ISBN 978-80-7372-586-0.
[International Scientific Conference Applied Mechanics 2010 /12./. Jablonec nad Nisou (CZ), 19.04.2010-21.04.2010]
Grant CEP: GA ČR GD106/09/H035; GA ČR GA106/09/0279
Výzkumný záměr: CEZ:AV0Z20410507
Klíčová slova: layered pipe * crack propagation * fracture parameters * FEM
Kód oboru RIV: JL - Únava materiálu a lomová mechanika

Nowadays, using of layered polymer pipes is increase. Protective layer can contribute to the better mechanical resistance of basic material. In this paper the three-dimensional numerical model of pipe consisting of main pipe material and outer protective layer material is modeled. The creep crack propagation in main material is simulated and the influence of protective layer is observed. Presented description of the crack in two-layer pipe can help for more accurate estimation of pipe-system residual life time.
Trvalý link: http://hdl.handle.net/11104/0193063