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Fatigue damage evolution in off-axis unidirectional CFRP

Plumtree, A. / Shi, L.

Damage mechanisms have been evaluated for a unidirectional carbon fibre reinforced epoxy matrix composite under off-axis cyclic loading. The variation in fatigue life for a given cyclic strain was found to be dependent upon the microstructure and the ease with which coalescence of matrix microcracks took place. When matrix cracks coalesced quickly, the fatigue life was relatively short. On the other hand, when the microcracks were well distributed, coalescence was delayed and the fatigue life was much longer.

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Fatigue damage evolution in off-axis unidirectional CFRP

Plumtree, A. / Shi, L.

Damage mechanisms have been evaluated for a unidirectional carbon fibre reinforced epoxy matrix composite under off-axis cyclic loading. The variation in fatigue life for a given cyclic strain was found to be dependent upon the microstructure and the ease with which coalescence of matrix microcracks took place. When matrix cracks coalesced quickly, the fatigue life was relatively short. On the other hand, when the microcracks were well distributed, coalescence was delayed and the fatigue life was much longer.

Fatigue damage evolution in off-axis unidirectional CFRP

Plumtree, A. / Shi, L.

Damage mechanisms have been evaluated for a unidirectional carbon fibre reinforced epoxy matrix composite under off-axis cyclic loading. The variation in fatigue life for a given cyclic strain was found to be dependent upon the microstructure and the ease with which coalescence of matrix microcracks took place. When matrix cracks coalesced quickly, the fatigue life was relatively short. On the other hand, when the microcracks were well distributed, coalescence was delayed and the fatigue life was much longer.

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Title:

Fatigue damage evolution in off-axis unidirectional CFRP

Contributors:

Plumtree, A. (author) / Shi, L. (author)

Published in:

International Journal of Fatigue ; 24 ; 155-159

Publication date:

2002

Size:

5 Seiten, 6 Quellen

ISSN:

DOI:

https://doi.org/10.1016/S0142-1123(01)00068-8

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Materialermüdung , Wechsellastbeanspruchung , Mikrostruktur , Koaleszenz , Mikroriss , carbonfaserverstärkter Kunststoff , Ermüdungsfestigkeit

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