The interface region has a great deal of importance in determining the ultimate properties of a given composite. The importance of the interface region in composites stems from two main reasons: (1) the interface occupies a very large area in composites, and (2) in general, the reinforcement and the matrix will form a system that is not in thermodynamic equilibrium. In this chapter, we describe the importance and general features of an interface in a composite and some tests to determine the mechanical characteristics of the interface. For details regarding the microstructure of specific CMC systems, as well as interface engineering to obtain an enhanced toughness, the reader should turn to Chapters 7 and 9.


Fiber Volume Fraction Interfacial Shear Stress Ceramic Matrix Composite Interfacial Shear Strength Fiber Pullout 
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Copyright information

© K. K. Chawla 1993

Authors and Affiliations

  • K. K. Chawla
    • 1
  1. 1.Department of Materials and Metallurgical EngineeringNew Mexico Institute of Mining and TechnologySocorroUSA

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