PREPARATION AND CONDUCTIVE PROPERTIES OF COPPER COATINGON CARBON FIBER REINFORCED COMPOSITE

Abstract

Abstract: Carbon fiber reinforced composites (CFRC) were widely apllied in civil aircraft structure, but it is vulnerable to lightning damage due to its poor electrical conductivity. In this paper,copper coating were prepared on carbon fiber composites by electroless plating with the goal of lightning resistance for aviation composite materials. The surface topography and crystal structure of copper plating were inspected by SEM and EDX. The effect of the concentration of copper sulfate on the deposition rate and conductivity of the metal copper coating was studied. The results show that the deposition rate increases gradually and the resistance value of the coating decreases with the increase of the concentration of copper sulfate. Copper grains on the surface of the carbon fiber composite are uniform and have good crystallinity, while the surface resistance of the coated carbon fiber reinforcement reached 19.8 mΩ/sq when the concentration of copper sulfate is 14 g/L, where good electrical conductivity was obtained.

Key words: carbon fiber reinforced composite, electroless, copper coating, electrical conductivity

CLC Number:

TB332

LIANG Ke, ZHANG Hua-dong, QIN Wen-feng. PREPARATION AND CONDUCTIVE PROPERTIES OF COPPER COATINGON CARBON FIBER REINFORCED COMPOSITE[J]. Fiber Reinforced Plastics/Composites, 2016, 0(5): 61-64.

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