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Authors Bogoeva-Gaceva, G. ; Mäder, E. ; Queck, H.
Title Properties of Glass Fiber Polypropylene Composites Produced from Split-Warp-Knit Textile Preforms
Date 26.10.2000
Number 8737
Abstract Properties of uniaxial and biaxial glass fiber/polypropylene composites based on split-warp-knit textile preforms and produced under various consolidation conditions were investigated. Consolidation was carried out at T = 210-260'C, P = 1-3 M Pa and t = 5-15 min, and the impact of each variable was studied by 32 full factorial experimental design. The analysis of variance of the obtained results has shown the different influence of the analyzed process conditions on the longitudinal and transverse properties of uniaxial composites, with both temperature and pressure being of high significance level. Higher longitudinal tensile properties were achieved after pressing at 240'C and 3 M Pa (15 min). However, for biaxial composites, similar values for tensile properties were obtained for samples pressed at 210, 225 and 240'C (under 1-3 M Pa). The role of PET stitching yarns is demonstrated in anisotropy of tensile strength for biaxial composites.
Publisher Journal of Thermoplastic Composite Materials
Wikidata
Citation Journal of Thermoplastic Composite Materials 13 (2000) 363-377
DOI http://jtc.sagepub.com/cgi/content/abstract/13/5/363
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