Experimental observations of fatigue damage in cross-ply laminates using carbon/epoxy ultra-thin plies
Composite Structures（2023）
Abstract
•Ultra-thin plies and scale effect motivate this dynamic experimental work.•Cross-ply laminates are tested under tension–tension cyclic loading.•90° layer thickness is decreased, using a 30 g/m2 carbon/epoxy prepreg.•Transverse damages densities are charted up to 105–106 cycles.•Fatigue damage mechanisms change involving an ultra-thin 90° layer.
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Key words
Cross-ply laminate,Fatigue damage mechanisms,Transverse cracking,Ultra-thin ply,Scale effect
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