Abstract
In the current work, the interlaminar fracture behavior of carbon fiber-Al laminates (FML) was investigated in mode I using double cantilever beam (DCB) specimen with a modified sub-layers sequence of Al/[C]02/Al/[C]02. Various microcapsules comprising hollow capsule and core–shell microcapsules were synthesized, and the integration effect of different microcapsules on the interlaminar delamination resistance of FML was inspected. The fracture surfaces of DCB specimens were also researched at micro-scale. The microscopic and FT-IR studies of synthesized microcapsules proved the successful preparation of microcapsules. It was observed that the presence of all types of microcapsules increased both mode I interlaminar fracture initiation (GIC, Ini) and propagation (GIC, Pro) energies of FML by activating crack energy dissipating micro-mechanisms.
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