2003
Страницы: 155-167

The homogenized constitutive model and its application for CFCC with overall anisotropic damage.

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Аннотация:

In this paper, a homogenized constitutive model is established to analyze the mechanical behavior of continuous fiber reinforced ceramic matrix composites (CFCC) with overall anisotropic damage. The homogenization method is used for unit cell to derive the elastic material properties of composites, and the results are compared well with that of rule of mixture and average method. An overall anisotropic damage tensor for the whole composite is used to describe all types of damage that composite undergoes, such as matrix cracking, fiber breakage, and interfacial damage between matrix and fiber. The macro-microscopic scale approach is incorporated into the Finite Element Method (FEM). The numerical calculation is carried out to compute the macroscopic stresses-strains and to predict the onset and evolution of anisotropic damage for composite laminate with different stacking sequences. Some results are compared well with experimental results in literature.

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Ссылка:

Dongmei Luo, Hirofumi Minamoto, Katsumi Tao, Shigeo Takezono The homogenized constitutive model and its application for CFCC with overall anisotropic damage. // Механика композиционных материалов и конструкций - 2003 - Том 9 - №2 - c: 155-167
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