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자료유형
동향자료
저자정보
Seo, Min-Kang (Dept. of Chemistry, Inha University) Choi, Kyeong-Eun (Dept. of Practical Arts Education, Jeonju National University of Education) Park, Sang-Hee (Jeonju Institute of Machinery and Carbon Composites) Hong, Young-Taik (Advanced Materials Division, Korea Research Institute of Chemical Technology) Park, Soo-Jin (Dept. of Chemistry, Inha University)
저널정보
한국탄소학회 Carbon letters Carbon letters 제10권 제4호
발행연도
2009.1
수록면
329 - 334 (6page)

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In this work, the effect of carbon nanofibers (CNFs) addition on physicochemical characteristics of CNFs-reinforced epoxy matrix nanocomposites was studied. Poly(amide imide) solutions in dimethylformamide were electrospun into webs consisting of $250{\pm}50$ nm fibers which were used to produce CNFs through stabilization and carbonization processes. As a result, the CNFs with average diameter of $200{\pm}20$ nm were obtained after carbonization process. The nanocomposites with CNFs showed an improvement of thermal stability parameters and fracture toughness factors, compared to those of the specimen without CNFs, which could be probably attributed to the higher specific surface area and larger aspect ratio of CNFs, resulting in improving the mechanical interlocking in the nanocomposites. Also, the applied external loading can effectively transfer to CNFs because strong interactions are resulted between the epoxy matrix and the CNFs.

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