Ultrasonic Characterization, Tensile Testing And Thermal Properties Of Y Irradiated Low Density Polyethylene, Fb 5005

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Author El Qassem, Zuhair Mohamed en_US
Author Kassem, Mohamed El-Said en_US
Available date 2009-11-25T13:06:18Z en_US
Publication Date 1997 en_US
Citation Engineering Journal of Qatar University, 1997, Vol. 10, Pages 133-142. en_US
URI http://hdl.handle.net/10576/7974 en_US
Abstract Ultrasonic pulse-echo technique, tensile testing and thermal gravimetric analysis have been utilised to characterise and monitor the effect of y irradiation on the physicomechanical properties of low density polyethylene LDPE, grade FB 5005. The sonic modulus, elastic modulus, rupture stress and decomposition temperature exhibit a minimum value at 2 Mrad irradiated samples, whereas, toughness and rupture strain exhibit a maximum at the same irradiation dose. The changes in mechanical properties (rupture stress and toughness) correlate well with decomposition temperature and the change in the sonic modulus correlates as well with elastic modulus for the tested material. The results are discussed in terms of cross-linking. Below 2 Mrad the loss of crystallinity overrides the effect of cross-linking, whereas above 2 Mrad the cross-linking dominates. en_US
Language en en_US
Publisher Qatar University en_US
Subject Engineering: Research & Technology en_US
Title Ultrasonic Characterization, Tensile Testing And Thermal Properties Of Y Irradiated Low Density Polyethylene, Fb 5005 en_US
Type Article en_US
Pagination 133-142 en_US
Volume Number 10 en_US


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