EVALUATION ON LOCAL REPAIR OF DEBONDING DEFECTS IN COMPOSITE HONEYCOMB SANDWICH STRUCTURES

Abstract

Abstract: A local-injecting repair is brought forward for debonding defects (Z≤100mm) in composite honeycomb sandwich structures. The repairing effect was studied based on the finite element model established based on ANSYS software and experiment. The results show that the compression strength can reach 80% of the original sample after local-injecting repair. Finite element model could estimate the compression strength and the failure mode of honeycomb sandwich plates exactly.

Key words: composite, honeycomb sandwich structures, debonding defects, local-injecting repair, compression strength

CLC Number:

TB332

ZHANG Ya-ting, CHEN Liang, LI Jian-fang, FU Ping-jun. EVALUATION ON LOCAL REPAIR OF DEBONDING DEFECTS IN COMPOSITE HONEYCOMB SANDWICH STRUCTURES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(8): 67-71.

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