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Provedor de dados:  ArchiMer
País:  France
Título:  Influence of embedded gap and overlap fiber placement defects on the microstructure and shear and compression properties of carbon-epoxy laminates
Autores:  Lan, Marine
Cartie, Denis
Davies, Peter
Baley, Christophe
Data:  2016-03
Ano:  2016
Palavras-chave:  Structural composites
Mechanical properties
Mechanical testing
Resumo:  This paper presents results from an experimental study of the influence of embedded defects created during automated fiber tape placement, on the mechanical properties of carbon/epoxy composites. Two stacking sequences have been examined, [(-45°/+45°)3/-45°] and [90°4/0°3/90°4], in which gaps and overlaps have been introduced during fiber placement. These materials have been cured in an autoclave either with or without a caul plate, then analyzed by ultrasonic C-scan. The microstructures were characterized by scanning electron microscopy. In-plane shear tests were performed on the ±45° laminates and showed that the use of a caul plate does not affect mechanical behavior of plies in the embedded defect region. Compression tests were performed on 0/90° laminates and in this case the presence of a caul plate is critical during polymerization as it prevents thickness variations and allows defects to heal.
Tipo:  Text
Idioma:  Inglês

Editor:  Elsevier Sci Ltd
Formato:  application/pdf
Fonte:  Composites Part A-applied Science And Manufacturing (1359-835X) (Elsevier Sci Ltd), 2016-03 , Vol. 82 , P. 198-207
Direitos:  2015 Elsevier Ltd. All rights reserved


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