EPJ Web of Conferences
Volume 6, 2010ICEM 14 – 14th International Conference on Experimental Mechanics
|Number of page(s)||7|
|Section||Polymers and Elastomers|
|Published online||10 June 2010|
Experimental testing of the sorption-mechanical coupled behaviour of polyethylene into pressurized hydrogen
Institut P’ – Département de Physique et Mécanique des
Matériaux Ensma, 1
Avenue Clément Ader, BP 40109, 86961
Coupling between pressurized gas sorption and tensile behavior was studied in a polyethylene (PE). Tensile and creep tests into hydrogen (30 bars) and nitrogen (30 bars) atmosphere were compared to experiments into atmospheric air. Gaseous environment was shown to have noticeable influence neither on the modulus / yield stress in tension, nor on the long term creep behavior. Mechanical consequence of a long term aging into hydrogen atmosphere was also investigated in samples previously exposed to hydrogen at various aging conditions (temperature, pressure, duration). No deleterious effect on the tensile properties of PE was evidenced.
© Owned by the authors, published by EDP Sciences, 2010
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