Energy Model for Describing the Viscoelastic Behavior of Knitted Cotton Fabric During Relaxation 


Vol. 24,  No. 3, pp. 1149-1156, Mar.  2023
10.1007/s12221-023-00024-y


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  Abstract

Plain knitted fabric made of cotton, commonly used in the clothing industry, has undergone severe cyclical loading, generated by dynamic fatigue tester, simulating the constraints applied to the structure during its use. An energy model, developed from the viscoelastic parameters of Burger셲 model, is used to study the knitted relaxation after fatigue test. The rheological parameters of the Burger셲 model are calculated by fi tting the experimental curves of the deformation during relaxation of tested knit, using the Microcal Origin 6 software and the equation of Burger셲 recovery. As shown in this paper, cyclic loadings present a signifi cant eff ect on viscoelastic parameters, which manifests as the decrease of the elastic deformation (23.96%) and the increase of the viscoelastic and plastic deformation (83.76% and 148.49%, respectively) when the number of fatigue cycles increases from 6000 to 36,000 cycles. We also noticed that the cyclic deformation of the knitted fabric decreases the energy dissipation rate (86.44%). Indeed, the decrease of energy dissipation rate indicates that the velocity of the recovery during relaxation decreases due to increasing of the friction interfi lamentous. The friction opposes to the recovery of the structure until a blocked state. This state corresponds to the permanent deformation. The energy model allows us to give an idea of the ability of the knitted fabric to recover its initial dimensions.

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  Cite this article

[IEEE Style]

S. Marzougui, R. Zaouali, W. Shafee, "Energy Model for Describing the Viscoelastic Behavior of Knitted Cotton Fabric During Relaxation," Fibers and Polymers, vol. 24, no. 3, pp. 1149-1156, 2023. DOI: 10.1007/s12221-023-00024-y.

[ACM Style]

Saber Marzougui, Raja Zaouali, and Wafaa Shafee. 2023. Energy Model for Describing the Viscoelastic Behavior of Knitted Cotton Fabric During Relaxation. Fibers and Polymers, 24, 3, (2023), 1149-1156. DOI: 10.1007/s12221-023-00024-y.

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