Transverse properties of carbon fibres by nano-indentation and micro-mechanics

Type Article
Date 2008-03
Language English
Author(s) Maurin R2, Davies PeterORCID1, Baral N2, Baley C2
Affiliation(s) 1 : IFREMER, Mat & Struct Grp ERT MS, F-29280 Plouzane, France.
2 : Univ Bretagne Sud, L2PIC, F-56321 Lorient, France.
Source Applied Composite Materials (0929-189X) (Springer), 2008-03 , Vol. 15 , N. 2 , P. 61-73
DOI 10.1007/s10443-008-9057-3
WOS© Times Cited 44
Keyword(s) Transverse tensile, Nano indentation, Epoxy, Carbon fibre
Abstract In this study the transverse modulus of three high modulus (M40, M46 and K63712) carbon fibres has first been measured directly by nano-indentation measurements. Transverse tensile tests on unidirectional epoxy composites were then performed, and the comparison was made between transverse fibre properties from indentation and those needed to obtain the measured transverse composite modulus using micromechanics expressions. The latter tended to underestimate values from indentation, by up to 36%, and reasons for this are discussed. Values of transverse fibre modulus determined by both methods decrease as longitudinal fibre modulus increases.
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