Chapter 9 - Models for the creep of ceramic matrix composite materials

Abstract

This chapter is intended to focus on ceramic-matrix composite materials and the models that involve nonlinearities or have features such as interface diffusion, which are not accounted for when linear elastic models are converted to linear viscoelastic constitutive laws. The creep models that exist and will be discussed in the chapter are generic in the sense that they can apply to materials with polymer, metal, or ceramic matrices. The chapter is concerned with the models for the creep of ceramic-matrix composite materials that feature some novelty that cannot be represented simply by taking models for the linear elastic properties of a composite and, through transformation, turning the model into a linear viscoelastic one.