期刊
COMPOSITE STRUCTURES
卷 92, 期 9, 页码 2181-2186出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2009.09.007
关键词
Nanocomposite; Interface; Short glass fiber; Nanoclay; Polyamide 6; Flame retardant
This study describes the contribution of a nano-filler, i.e. an organically modified layered silicate, in respect of the fiber/matrix interfacial shear strength (IFSS) of a short glass fiber reinforced and functionally filled polyamide 6, given an exfoliated nanocomposite morphology. Apparent IFSS values are determined using a continuum micromechanical method. Polymer chains in the nanoconfined environment of an exfoliated clay nanocomposite are found to crystallize preferentially in the form of a specific crystalline phase with increased degree of crystallinity. Strong dependence of IFSS on polymer crystallinity is found which is related to enhanced shrinkage stresses associated with increased degree of crystallinity. (C) 2009 Elsevier Ltd. All rights reserved.
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