Effect of various knitting techniques on mechanical properties of biaxial weft-knitted thermoplastic composites

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Demircan, Özgür and Ashibe, Shinsuke and Kosui, Tatsuya and Nakai, Asami (2014) Effect of various knitting techniques on mechanical properties of biaxial weft-knitted thermoplastic composites. Journal of Thermoplastic Composite Materials . ISSN 0892-7057 (Print) 1530-7980 (Online) Published Online First http://dx.doi.org/10.1177/0892705713519121

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Abstract

Within the scope of experiments, five kinds of biaxial weft-knitted (BWK) fabrics with various knitting techniques (plain, interlock, tuck, tuck-miss, and interlock2) were used as reinforcement systems to fabricate thermoplastic composites with polypropylene (PP) resin yarn. Then, the final composite became BWK composites with various knitting types. The mechanical properties of composites were investigated by conducting tensile, three-point bending, and three-point bending impact tests on specimens. In all specimens, PP was commingled with glass yarn. Glass was used as reinforcement. Fiber volume fraction (V f) of weft fibers of the interlock2 was the highest, and the length of straight part of loop shape was the longest in the interlock2 compared with the other four types of specimens. Because of the higher V f of the BWK composites with the interlock2, tensile, three-point bending, and three-point bending impact properties of the interlock2 was higher than the other four types (plain, interlock, tuck, and tuck-miss) of composite structures.
Item Type: Article
Uncontrolled Keywords: Knitting, plain, interlock, tuck, tuck-miss, biaxial weft-knitted composites, thermoplastic composites, tensile, bending and impact properties
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: 16 Dec 2014 21:44
Last Modified: 26 Apr 2022 09:15
URI: https://research.sabanciuniv.edu/id/eprint/25014

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