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Titolo:
THEORETICAL AND EXPERIMENTAL INVESTIGATION OF FAILURE AND DAMAGE PROGRESSION OF GRAPHITE-EPOXY COMPOSITES IN FLEXURAL BENDING TEST
Autore:
ECHAABI J; TROCHU E; PHAM XT; OUELLET M;
Indirizzi:
ECOLE POLYTECH,CP 6079,SUCC CTRVILLE MONTREAL PQ H3C 3A7 CANADA ECOLE POLYTECH MONTREAL PQ H3C 3A7 CANADA
Titolo Testata:
Journal of reinforced plastics and composites
fascicolo: 7, volume: 15, anno: 1996,
pagine: 740 - 755
SICI:
0731-6844(1996)15:7<740:TAEIOF>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
J. Echaabi et al., "THEORETICAL AND EXPERIMENTAL INVESTIGATION OF FAILURE AND DAMAGE PROGRESSION OF GRAPHITE-EPOXY COMPOSITES IN FLEXURAL BENDING TEST", Journal of reinforced plastics and composites, 15(7), 1996, pp. 740-755

Abstract

Predicting failure stress and failure modes in composite laminates isvery difficult. The choice between failure criteria is complex and there is a lack of experimental study to validate the results obtained. In this paper, a theoretical and experimental study of damage progression and failure modes of graphite-epoxy laminates in three points bending tests is presented. A quasi-isotropic [(+/-45/90/0)(3)](s) graphite-epoxy composite is investigated. C-scan method and microscopic sectioning permit to monitor damage progression and failure modes during the experiment. Specimens at different failure levels are used to determine damage progression and the effect of geometrical parameters on thesuccessive failures and on failure modes is studied. The progression of damage has been followed experimentally and identified in detail. The theoretical study is based on the classical laminate theory in the case of in-plane loads. A software program has been elaborated for post-failure treatment and experimental results are compared with numerical predictions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 05:31:37