EXPERIMENTAL INVESTIGATION OF DAMAGED COMPOSITE LAMINATES REPAIRED WITH BONDED GFRP OR CFRP PATCHES

Abstract

Abstract: The damaged composite laminates were repaired by the composite patching technology in this paper. Effects of some important parameters of the technology, including reinforcements, patch design, cured temperature, on the specimen static mechanic properties have been comprehensively investigated experimentally. And the experimental data results indicate that static mechanic properties of the bonded structures are significantly improved. The failure strength of the bonded structures could reach up to 66.69% of the perfect composite structures', while its static stiffness is almost as the same as the perfect ones. However, the whole curing-time of the repair process is limited to 1 hour and the cured temperature is limited to 66℃.

Key words: composites, patch, bonded repair, mechanical property

CLC Number:

TB332
TQ323

QIU Qiu-yuan, FAN Hai-rong, WANG Yue-ran. EXPERIMENTAL INVESTIGATION OF DAMAGED COMPOSITE LAMINATES REPAIRED WITH BONDED GFRP OR CFRP PATCHES[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(7): 28-31.

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