Micromechanics of Composites

  • Krishan K. Chawla


In this chapter we consider the results of incorporating a reinforcement (fibers, whiskers, particles, etc.) in a matrix to make a composite. It is of great importance to be able to predict the properties of a composite, given the component properties and their geometric arrangement. We examine various micromechanical aspects of composites. A particularly simple case is the rule-of-mixtures, a rough tool that considers the composite properties as volume-weighted averages of the component properties. It is important to realize that the rule of mixtures works in only certain simple situations. Composite density is an example where the rule of mixtures is applied readily. In the case of mechanical properties, there are certain restrictions to its applicability. When more precise information is desired, it is better to use more sophisticated approaches based on the theory of elasticity.


Elastic Constant Thermal Expansion Coefficient Particulate Composite Load Transfer Fiber Volume Fraction 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Krishan K. Chawla
    • 1
  1. 1.Materials and EngineeringThe University of Alabama at BirminghamBirminghamUSA

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