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

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

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dc.contributor.author El Qassem, Zuhair Mohamed en_US
dc.date.accessioned 2009-11-25T13:06:18Z
dc.date.available 2009-11-25T13:06:18Z
dc.date.issued 1997 en_US
dc.identifier.citation Engineering Journal of Qatar University, 1997, Vol. 10, Pages 133-142. en_US
dc.identifier.uri http://hdl.handle.net/10576/7974
dc.description.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
dc.language.iso en en_US
dc.publisher Qatar University en_US
dc.subject Engineering: Research & Technology en_US
dc.title Ultrasonic Characterization, Tensile Testing And Thermal Properties Of Y Irradiated Low Density Polyethylene, Fb 5005 en_US
dc.type Article en_US
dc.identifier.pagination 133-142 en_US
dc.identifier.volume 10 en_US

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