Modeling and Prediction of Creep Behavior of Polypropylene Packaging Belt

Abstract:

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The short term tensile creep behaviors of polypropylene (PP) packaging belt under different stresses levels were studied through tensile creep test. The four-element model was applied to simulate the creep behaviors of the PP packaging belt. The results show that four-element model can be used to simulate the short time creep of PP packaging belt. The tensile creep behaviors of PP packaging belt have obviously correlation to the stress levels. The instantaneous elastic coefficient, delayed elastic coefficient and glutinous coefficient in Maxell model show a decreasing tendency with the increase of stress level. Based on the time-temperature-stress equivalence principle and take 15% stress level as a reference, the creep compliance master curve of 15% stress level was constructed by horizontal shift of the creep compliance curve of other stress levels, which can predict the creep behavior of PP packaging belt at the 15% stress level.

Info:

Periodical:

Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen

Pages:

1168-1171

DOI:

10.4028/www.scientific.net/AMM.117-119.1168

Citation:

Z. Y. Xu "Modeling and Prediction of Creep Behavior of Polypropylene Packaging Belt", Applied Mechanics and Materials, Vols. 117-119, pp. 1168-1171, 2012

Online since:

October 2011

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$35.00

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