期刊
ENGINEERING FRACTURE MECHANICS
卷 203, 期 -, 页码 115-125出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.engfracmech.2018.03.026
关键词
Matrix toughness transfer; Digital image correlation; Thermoplastic composites; Fibre bridging; Cohesive laws
类别
资金
- Arkema Company
- Groupement de Recherche du Lacq, France
The interlaminar fracture toughness, G(Ic), of unidirectional carbon fibre composite laminates produced by infusion moulding with two different thermoplastic acrylic matrices, one plain and one rubber toughened, was studied. For the composite with the plain matrix fracture was dominated by failure at the fibre-matrix interface. With the toughened matrix, fracture occurred within the matrix-rich layer, although the matrix toughness could not be fully exploited due to the interaction of the fibres with the development of the process zone. A fibre bridging model based on experimentally derived cohesive laws was developed and it confirmed that fracture occurs within the matrix.
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