A micromechanical analysis is presented to obtain the effective macroscale orthotropic thermomechanical behavior of plain-weave fabric reinforced laminated composites based on a two-scale asymptotic homogenization theory. The model is based on the properties of the constituents and an accurate, three-dimensional simulation of the weave microarchitecture, and is used for predicting the thermomechanical behavior of glass-epoxy (FR-4) woven-fabric laminates typically used by the electronics industry in Multilayered Printed Wiring Boards (MLBs). Parametric studies are conducted to examine the effect of varying fiber volume fractions on constitutive properties. Nonlinear constitutive behavior due to matrix nonlinearity and post-damage behavior due to transverse yarn failure under in-plane uniaxial loads is then investigated. Numerical results obtained from the model show good agreement with experimental values and with data from the literature. This model may be utilized by material designers to design and manufacture fabric reinforced composites with tailored effective properties such as elastic moduli, shear moduli, Poisson’s ratio, and coefficients of thermal expansion.
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January 1994
Research Papers
Effective Thermomechanical Behavior of Plain-Weave Fabric-Reinforced Composites Using Homogenization Theory
A. Dasgupta,
A. Dasgupta
CALCE Electronic Packaging Research Center, University of Maryland, College Park, MD 20742
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S. M. Bhandarkar
S. M. Bhandarkar
CALCE Electronic Packaging Research Center, University of Maryland, College Park, MD 20742
Search for other works by this author on:
A. Dasgupta
CALCE Electronic Packaging Research Center, University of Maryland, College Park, MD 20742
S. M. Bhandarkar
CALCE Electronic Packaging Research Center, University of Maryland, College Park, MD 20742
J. Eng. Mater. Technol. Jan 1994, 116(1): 99-105 (7 pages)
Published Online: January 1, 1994
Article history
Received:
May 1, 1992
Revised:
June 11, 1993
Online:
April 29, 2008
Citation
Dasgupta, A., and Bhandarkar, S. M. (January 1, 1994). "Effective Thermomechanical Behavior of Plain-Weave Fabric-Reinforced Composites Using Homogenization Theory." ASME. J. Eng. Mater. Technol. January 1994; 116(1): 99–105. https://doi.org/10.1115/1.2904262
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