Interlaminar Fracture of CF/EP Composites Modified with Nano-Silica

Abstract:

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Fracture toughness and other mechanical properties of epoxies modified with nano-slica particles were measured to elaborate effects of nano-additives on fracture behaviour of the modified epoxies. Interlaminar fracture behaviours of the nano-silica modified CF/EP composites were subsequently investigated by conducting Mode-I and Mode-II interlaminar fracture toughness tests as well as transverse tension tests. It was found that the fracture toughness of the nano-silica modified epoxies and the interlaminar fracture toughness of nano-silica modified CF/EP composites have been increased significantly (>50%), while the strength and modulus of the materials remain unchanged or slightly higher. In particular, the nano-silica modified epoxies showed only very little reduction in the glass transition temperature (Tg).

Info:

Periodical:

Solid State Phenomena (Volumes 121-123)

Edited by:

Chunli BAI, Sishen XIE, Xing ZHU

Pages:

1403-1406

DOI:

10.4028/www.scientific.net/SSP.121-123.1403

Citation:

S. Q. Deng et al., "Interlaminar Fracture of CF/EP Composites Modified with Nano-Silica", Solid State Phenomena, Vols. 121-123, pp. 1403-1406, 2007

Online since:

March 2007

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Price:

$35.00

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