Abstract
An analysis of the fatigue-damage evolution process through prediction of stiffness drop in brittle matrix unidirectional composites reinforced with continuous stiff fibres is presented. The drop in stiffness of the composite is calculated by partitioning the total damage between the components of the composite, namely the matrix, the fibre, and the interface. Predictions of drop in stiffness are validated for different fatigue test conditions in borosilicate glass-ceramic matrix-Nicalon fibre-reinforced composites. In addition, fatigue test results from other composite systems, such as LASII-Nicalon and aluminosilicate-Nicalon, are examined in the light of this model.
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Ramakrishnan, V., Jayaraman, N. Mechanistically based fatigue-damage evolution model for brittle matrix fibre-reinforced composites. JOURNAL OF MATERIALS SCIENCE 28, 5592–5602 (1993). https://doi.org/10.1007/BF00367835
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DOI: https://doi.org/10.1007/BF00367835