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Proceedings Paper

Effect of void sizes on effective material properties of unidirectional composite materials
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Paper Abstract

In this study, the effect of different void sizes with different void contents are investigated on all coefficients of constitutive coefficients for unidirectional composites. The unidirectional composite can be assumed as a periodic structure. To fulfill this requirement, unit cells with different void contents and different void sizes are simulated. To capture the real effect of void sizes, the unit cells are modeled with different uniform void sizes with a fixed percentage of void content. To quantify all coefficients of material properties in presence of voids, the periodic boundary conditions are applied to the unit cells. The average stresses and strains are obtained using ANSYS interface. The results showed that in the fixed percentage of void content, constitutive coefficients degraded more with the smaller void sizes.

Paper Details

Date Published: 1 April 2019
PDF: 7 pages
Proc. SPIE 10972, Health Monitoring of Structural and Biological Systems XIII, 109722K (1 April 2019); doi: 10.1117/12.2514348
Show Author Affiliations
Vahid Tavaf, Univ. of South Carolina (United States)
Mohammadsadegh Saadatzi, Univ. of South Carolina (United States)
Sourav Banerjee, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 10972:
Health Monitoring of Structural and Biological Systems XIII
Paul Fromme; Zhongqing Su, Editor(s)

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