NDLI: Creep Behavior of a TWARON®/Natural Rubber Composite

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	David, N. V. Gao, X. -L Zheng, J. Q.
Copyright Year	2010
Abstract	The creep behavior of a Twaron CT709® fabric/natural rubber composite under a uniaxial constant stress is studied using three viscoelasticity models with different levels of complexity and a newly developed para-rheological model. The three models employed are a one-term generalized Maxwell (GMn = 1) model (consisting of one Maxwell element and an additional spring in parallel), a two-term generalized Maxwell (GMn = 2) model (including two parallel Maxwell elements and an additional spring in parallel), and a four-parameter Burgers model. The values of the parameters involved in each model are extracted from the experimental data obtained in this study. The creep tests reveal that the axial strain starts to increase exponentially during the primary stage and then continues to equilibrate linearly with time. The results show that the initial creep response of the composite is predicted fairly well by the GMn = 2 model, while the secondary creep is more accurately described by the GMn = 1 model. An implicit solution, together with a characteristic retardation time spectrum, obtained using the para-rheological model is found to provide more accurate predictions of the composite creep response than the three viscoelasticity models at both the primary and secondary stages.
Starting Page	417
Ending Page	429
Page Count	13
File Format	PDF
ISBN	9780791844465
DOI	10.1115/IMECE2010-38079
Volume Number	Volume 9: Mechanics of Solids, Structures and Fluids
Conference Proceedings	ASME 2010 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2010-11-12
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Viscoelasticity Composite materials Creep Rheology Natural rubber Springs Stress Textiles
Content Type	Text
Resource Type	Article

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