Effect of knitting and preforming parameters on mechanical properties of weft knitted glass/epoxy composites

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Copyright: Tran, Luu
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Abstract
Weft knitted composites have a very complex reinforcement structure which affects their mechanical behaviour. Six kinds of weft knitted fabric reinforcement were examined in this study. These were a group of knitted reinforcements without inlays: Rib, Milano and Interlock and a group with inlays: Rib Inlay, Milano Inlay and Interlock Inlay. The knitting and performing parameters were varied but the fibre volume fraction was kept constant within the two groups. In all cases the fibre used was E-glass. After knitting, the fabrics were infused with epoxy resin using a resin transfer moulding (RTM) process. The mechanical properties of the cured composites were then determined in the wale direction using the tension test, compression test, flexural test, short beam shear test and Izod impact test. The results showed that the knitting and preforming parameters strongly influenced the mechanical properties of the weft knitted glass/epoxy composites.
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Author(s)
Tran, Luu
Supervisor(s)
Crosky, Alan
Curiskis, John
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Publication Year
2009
Resource Type
Thesis
Degree Type
PhD Doctorate
UNSW Faculty
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