Abstract

Abstract In this paper, piezoresistive nanocomposite is used to detect the effectiveness of bonded composite repair. The hybrid nanocomposites fabricated using wet-layup method with carbon nanotube sheet and graphite platelets as fillers exhibits enhanced piezoresistivity. The nanocomposite is incorporated as outer ply of repair patch in a scarf-repair process of damaged carbon fiber composite. Flexural test of repaired composite with intentionally placed disbond exhibits a different electromechanical response compared to defect-free repair; this concept can be used to detect the repair quality.

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