A Method For Plaiting Polymer Fibre Around
Natural Yarn To Form Composite Fabric
Author(s)
T. Izumi, T. Matsuoka, T. Hirayama, H. Fujita,
Y. Miyata & K. Fujii
Abstract
A method has been developed for plaiting polymer fibre around natural yarn
using a sawing machine to form a composite fabric. It was tested using
polypropylene (PP) fibre and cotton yarn. Investigation of the relationship
between the PP weight ratio and the number of PP fibres in the composite fabric
revealed that the weight ratio can be easily controlled by adjusting the number of
core PP fibres. The developed composite fabric was heat moulded to form fibrereinforced
polymer (FRP). Comparison of the stress-strain curve and tensile
strength of this FRP with those of FRP made with conventional fabric revealed
that, although the tensile strength of the FRP formed using the composite fabric
was smaller than that of the conventional FRP, the strain of the developed FRP
was larger because of delamination at the PP-cotton yarn interface. The
developed FRP was improved by covering its top and bottom surfaces with a thin
PP sheet before heat moulding. This prevented stress concentration, resulting in a
30% increase in tensile strength. Use of this FRP formed material using
composite fabric is an effective approach to forming composite materials having
high strain performance and tensile strength.
Keywords: fibre-reinforced composites, composite yarn, polypropylene, cotton,
static tensile test, stress-strain curve.
Keywords
fibre-reinforced composites, composite yarn, polypropylene, cotton,
static tensile test, stress-strain curve
Related Book
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