Damage resistance of composites based on glass fibre reinforced low styrene emission resins for marine applications

Type Article
Date 2007
Language English
Author(s) Perrot Yves1, Baley C1, Grohens Y1, Davies PeterORCID2
Affiliation(s) 1 : Univ Bretagne Sud, F-56321 Lorient, France.
2 : IFREMER, Mat & Struct Grp ERT MS, F-29280 Plouzane, France.
Source Applied Composite Materials (0929-189X) (Springer), 2007 , Vol. 14 , N. 1 , P. 67-87
DOI 10.1007/s10443-006-9033-8
WOS© Times Cited 19
Keyword(s) Interface properties, Damage initiation, Styrene emission, Unsaturated polyester, Glass fibers
Abstract Composites based on glass fiber reinforced low styrene emission polyester resins have been widely used over the last 10 years, in order to meet increasingly strict safety regulations, particularly in the pleasure boat industry. Previous studies of their mechanical properties suggested that although these resins are generally more brittle than traditional orthophthalic polyester resins this did not adversely affect the properties commonly used for quality control (short beam shear and tensile failure strength of mat reinforced composites). In the present paper results from a more detailed study of damage behaviour are presented. Tests include fracture toughness (K (Ic) ) tests on resins, fibre/matrix interface energy, detection of composite damage initiation in tension by acoustic emission, composite delamnation (G (Ic) and G (IIc) ), and low energy impact. Overall the results indicate that the low failure strain of low styrene emission resins results in significantly lower composite damage resistance.
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