Abstract
The effect of fibre orientation and laminate stacking sequence on the tensile and fatigue behaviour of SCS-6/Ti 15-3 composites were investigated. The laminates used in this study were: (90)6, (0/ ± 45)s, (0/90)s, and (90/ +-45)s. The initiation and progression of microstructural damage at various stress levels was thoroughly characterized. It was found that fatigue life at high applied stresses were controlled by fibre fracture; progressive damage involving fibre fracture, interfacial debonding and matrix cracking became dominant at low applied stresses. Observation of the damage mechanisms in the angle-ply laminates under cyclic loading suggests that increasing the fibre-matrix bonding strength may improve the load carrying capability and fatigue life of laminates containing off-axis plies.
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Wang, P.C., Jeng, S.M., Chiu, H.P. et al. Damage evolution of angle-ply SCS-6/Ti composites under static and fatigue loading. JOURNAL OF MATERIALS SCIENCE 30, 1818–1826 (1995). https://doi.org/10.1007/BF00351616
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DOI: https://doi.org/10.1007/BF00351616