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Effects of aging on the creep behaviour and residual lifetime assessment of polyvinyl chloride (PVC) pipes

Abstract : Creep crack growth has been investigated in a polyvinyl chloride (PVC) on circumferentially cracked round bars, on both virgin and aged pipes after 22 and 35 years service. The aim is to predict the resistance to creep failure of pipes under internal pressure by using the fracture mechanics for creeping solids (FMCS) tools. The approach consists of carrying out creep tests on both smooth and cracked specimens. This experimental database is utilised in order to demonstrate the effect of aging on the creep response of the material. A master curve is then plotted, allowing the creep lifetime assessment of laboratory specimens. On the basis of the master curve and under FMCS concept, a methodology for predicting creep failure of cracked pipes is suggested.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00595870
Contributor : Bibliothèque Umr7633 <>
Submitted on : Wednesday, May 25, 2011 - 5:06:48 PM
Last modification on : Thursday, September 24, 2020 - 6:30:07 PM

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Lucien Laiarinandrasana, E. Gaudichet, S. Oberti, Clémence Devilliers. Effects of aging on the creep behaviour and residual lifetime assessment of polyvinyl chloride (PVC) pipes. International Journal of Pressure Vessels and Piping, Elsevier, 2011, 88, pp.99-108. ⟨10.1016/j.ijpvp.2011.01.002⟩. ⟨hal-00595870⟩

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