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Numerical and experimental study of the electrofusion welding process of polyethylene pipes

Abstract : The electrofusion welding process is widely used to join polyethylene components in gas distribution networks. This article provides experimental and 3D-finite element tools capable of reproducing the major phenomena that occur during an electrofusion process. A specific version of the 3D- finite element model simulation software Forge® has been developed to take into account the fitting parameters such as polyethylene thermal properties (i.e., melting and crystallization kinetics, phase transition, and thermal contact resistance) and the electrical and geometrical settings (i.e., welding input parameters). From a numerical point of view, a well refined highly anisotropic mesh adaptation is applied to well capture the contact condition between the heat source and the polyethylene. The computed results (temperature, melted, and cold areas) were compared with experimental data and gave very good agreement in terms of temperature and liquid phase fraction distribution.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00954554
Contributor : Magalie Prudon <>
Submitted on : Monday, March 3, 2014 - 11:22:48 AM
Last modification on : Thursday, September 24, 2020 - 5:22:54 PM

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Ziad Chebbo, Michel Vincent, Adil Boujlal, Dominique Gueugnaut, Yannick Tillier. Numerical and experimental study of the electrofusion welding process of polyethylene pipes. Polymer Engineering and Science, Wiley-Blackwell, 2015, 55 (1), pp.123-131. ⟨10.1002/pen.23878⟩. ⟨hal-00954554⟩

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