Abstract
Carbon fiber reinforced composites have a wide range of uses, especially in aviation and aerospace, marine and automotive. The adhesion properties of these high-tech materials with other materials are critical. Adhesive selection, surface treatment type and surface preparation procedures control adhesion performance. In this study, the effect of surface treatments that increase adhesion strength in carbon fiber composite (CFRP) structures was investigated. In order to improve the adhesion properties of carbon fiber composite materials with different metals, mechanical and physical surface treatment techniques have been used. 7075 aluminum alloy (Al) and 304 stainless steel alloy (SS) were subjected to sandblasting and plasma activation processes after surface cleaning in experimental studies. After surface activation processes, the surface wetting angle was measured and adhesion tests were carried out. In experimental results, it has been observed that plasma and sandblasting processes increase adhesion strength by 30-50%.
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