Tensile and bending properties of biaxial weft-knitted and cross-ply thermoplastic composites

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Demircan, Özgür and Ashibe, Shinsuke and Kosui, Tatsuya and Nakai, Asami (2014) Tensile and bending properties of biaxial weft-knitted and cross-ply thermoplastic composites. Journal of Thermoplastic Composite Materials . ISSN 0892-7057 (Print) 1530-7980 (Online) Published Online First http://dx.doi.org/10.1177/0892705714530751

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Abstract

In this study, within the scope of experiments, two kinds of biaxial weft-knitted (BWK) fabrics with aramid (AR) and polyamide 66 (PA66) stitch fibers were used as reinforcement systems to fabricate thermoplastic composites with PA66 resin yarn. Then final composite became BWK with AR stitch yarn and cross-ply. The mechanical properties of composites were investigated by conducting tensile and three-point bending tests on specimens. In all specimens, PA66 was commingled with AR yarn. AR was used as reinforcement. In preliminary studies, AR unidirectional composites with AR/PA66 commingled fibers and with various twisting angles were produced and appropriate twisting angle was found by conducting tensile and three-point bending impact tests on specimens. Because of the higher volume fraction of the cross-ply composites, tensile and three-point bending properties of the cross-ply composite structures had higher than the BWK composites with the AR stitch yarn.
Item Type: Article
Uncontrolled Keywords: Biaxial weft-knitted thermoplastic composites, twisting, unidirectional composites, tensile, bending and impact properties, scanning electron microscopy
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Engineering and Natural Sciences > Academic programs > Materials Science & Eng.
Faculty of Engineering and Natural Sciences
Depositing User: Özgür Demircan
Date Deposited: 19 Dec 2014 21:32
Last Modified: 26 Apr 2022 09:15
URI: https://research.sabanciuniv.edu/id/eprint/25016

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