Abstract
Interface modification of carbon fiber reinforced polyphenylene sulphide (PPS)composites was studied by microbond test. The effects of silane coupling agent treatment and atmospheric plasma treatment on the interfacial adhesion and micromechanics of PPS/CF composites were investigated. The results showed that the apparent interfacial shear strength (τapp) of CF/PPS with coupling agent treated carbon fiber was increased by 13.2% compared to the untreated samples. Meanwhile, the corresponding macro tensile and bending strength and modulus of PPS/CF composites were also increased. The τapp of samples with plasma treated carbon fiber reduced from 40.9±3.9 to 35.3±5.0MPa, however, which of the micro-composites with plasma treated PPS increased by 17.1%.
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