Surface and Composite Interface of Carbon Fiber Modified by Grafting of Diethanolamine

Abstract:

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The γ-ray co-irradiation method was employed to study the effect of diethanolamine modification on the surface of carbon fiber (CF) and the interfacial properties of CF/epoxy composites. Compared with the original carbon fiber, the surface of modified fibers became rougher. The amount of oxygen-containing functional groups was increased and the nitrogen element was detected after irradiation grafting. The interlaminar shear strength (ILSS) of composites reinforced by carbon fibers irradiated in diethanolamine solution was increased and then decreased as the irradiation dose increased. The ILSS of CF/epoxy composites was enhanced by 16.1% at 200kGy dose, compared with that of untreated one. The γ-ray irradiation grafting is expected to be a promising method for the industrialized modification of carbon fibers.

Info:

Periodical:

Advanced Materials Research (Volumes 79-82)

Edited by:

Yansheng Yin and Xin Wang

Pages:

497-500

DOI:

10.4028/www.scientific.net/AMR.79-82.497

Citation:

L. Chen et al., "Surface and Composite Interface of Carbon Fiber Modified by Grafting of Diethanolamine", Advanced Materials Research, Vols. 79-82, pp. 497-500, 2009

Online since:

August 2009

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Price:

$35.00

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