Abstract
Abstract
The large strain deformation behaviour of particle-filled PET (polyethylene terephthalate) film has been investigated numerically in a parametric study employing the ABAQUS finite element solver. The behaviour of PET has been modelled by Mooney-Rivlin rubber elasticity theory. The results of the parametric study show that small variations in the particle characteristics lead to significant differences in the surface characteristics, which are likely to change the friction and manufacturing properties of the film material.
A simple methodology has been established for relating the particle characteristics to the surface properties. Process design rules have been developed, from which the surface characteristics can be determined from a knowledge of the particle characteristics. Good comparisons have been achieved between surface characteristics obtained numerically and those obtained from the simple design rules.
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