Nanoclay assisted strengthening of the fiber/matrix interface in functionally filled polyamide 6 composites

Date

2010-08-01

Author

Isitman, Nihat Ali
AYKOL, Muratahan
Kaynak, Cevdet

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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.

Subject Keywords

Civil and Structural Engineering, Ceramics and Composites

URI

https://hdl.handle.net/11511/47900

Collections

Department of Metallurgical and Materials Engineering, Article