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Mixed resin and carbon fibres surface treatment for preparation of carbon fibres composites with good interfacial bonding strength
AbstractThe objective of this work is to improve the interlaminar shear strength of composites by mixing epoxy resin and modifying carbon fibres. The effect of mixed resin matrix’s structure on carbon fibres composites was studied. Anodic oxidation treatment was used to modify the surface of carbon fibres. The tensile strength of multifilament and interlaminar shear strength of composites were investigated respectively. The morphologies of untreated and treated carbon fibres were characterized by scanning electron microscope and X-ray photoelectron spectroscopy. Surface analysis indicates that the amount of carbon fibres chemisorbed oxygen-containing groups, active carbon atom, the surface roughness, and wetting ability increases after treatment. The tensile strength of carbon fibres decreased little after treatment by anodic oxidation. The results show that the treated carbon fibres composites could possess excellent interfacial properties with mixed resins, and interlaminar shear strength of the composites is up to 85.41MPa. The mechanism of mixed resins and treated carbon fibres to improve the interfacial property of composites is obtained.
Mixed resin and carbon fibres surface treatment for preparation of carbon fibres composites with good interfacial bonding strength
AbstractThe objective of this work is to improve the interlaminar shear strength of composites by mixing epoxy resin and modifying carbon fibres. The effect of mixed resin matrix’s structure on carbon fibres composites was studied. Anodic oxidation treatment was used to modify the surface of carbon fibres. The tensile strength of multifilament and interlaminar shear strength of composites were investigated respectively. The morphologies of untreated and treated carbon fibres were characterized by scanning electron microscope and X-ray photoelectron spectroscopy. Surface analysis indicates that the amount of carbon fibres chemisorbed oxygen-containing groups, active carbon atom, the surface roughness, and wetting ability increases after treatment. The tensile strength of carbon fibres decreased little after treatment by anodic oxidation. The results show that the treated carbon fibres composites could possess excellent interfacial properties with mixed resins, and interlaminar shear strength of the composites is up to 85.41MPa. The mechanism of mixed resins and treated carbon fibres to improve the interfacial property of composites is obtained.
Mixed resin and carbon fibres surface treatment for preparation of carbon fibres composites with good interfacial bonding strength
He, Hongwei (author) / Wang, Jianlong (author) / Li, Kaixi (author) / Wang, Jian (author) / Gu, Jianyu (author)
2010-05-17
7 pages
Article (Journal)
Electronic Resource
English
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