期刊
JOURNAL OF COMPOSITE MATERIALS
卷 57, 期 6, 页码 1185-1198出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/00219983221149793
关键词
Atmospheric pressure plasma jet; SiOx nanoparticles; glass fiber; composite material; surface modification
In this study, a cold atmospheric pressure plasma jet was used to modify the surface of glass fibers with tetraethyl orthosilicate as a precursor. SiOx nanoparticles were polymerized on the fiber surfaces to enhance the interfacial bonding forces of glass fiber reinforced polypropylene (GFRP) composites. The effect of nozzle-to-fiber distance (D) and treatment time (T) on the interfacial bonding behavior of GFRP composites was investigated. The optimal parameters were found to be D = 17 mm and T = 12 s, leading to a 30.79% increase in interlaminar shear strength compared to the control group. Further analysis revealed that plasma treatment increased surface roughness, surface energy, and the presence of oxygen-containing functional groups, contributing to the improvement in interlaminar shear strength.
In this study, cold atmospheric pressure plasma jet was adopted to glass fibers surface modification with tetraethyl orthosilicate as a precursor. To enhance the interfacial bonding forces of glass fiber reinforced polypropylene (GFRP) composites, SiOx nanoparticles were polymerized on the fiber surfaces. The effect of two factors (the distance between nozzle and fiber (D) and the treatment time (T)) on the interfacial bonding behavior of GFRP composites was studied. The modified fibers and composites properties, including surface topography, chemical composition, wettability and interfacial mechanical properties, were studied comprehensively. The optimal parameters were obtained at D = 17 mm and T = 12 s. Our results indicated that the interlaminar shear strength of GFRP composites was increased by 30.79% compared to control group. Further studies found that plasma treatment introduced larger surface roughness, surface energy and more oxygen-containing functional groups, which was responsible for the interlaminar shear strength improvement.
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