Improvement of Mode I Interlaminar Fracture Toughness of Stitched Glass/Epoxy Composites

被引:30
作者
Goektas, D. [1 ]
Kennon, W. R. [1 ]
Potluri, P. [1 ]
机构
[1] Univ Manchester, Northwest Composite Ctr, Sch Mat, Manchester, Lancs, England
基金
英国工程与自然科学研究理事会;
关键词
Mode I interlaminar fracture toughness; Delamination resistance; Stitching; Glass/epoxy composite; DELAMINATION TOUGHNESS; GLASS/POLYESTER COMPOSITES; FIBERGLASS COMPOSITES; LAMINATED COMPOSITES; IMPACT; RESISTANCE; CFRPS;
D O I
10.1007/s10443-016-9560-x
中图分类号
TB33 [复合材料];
学科分类号
摘要
This study examines the improvement of Interlaminar Fracture Toughness (IFT) of multilayered 3D glass/epoxy textile composites when through thickness reinforcement is introduced. Three stitching techniques have been examined: Modified Lockstitch (ISO-301), Single-yarn Orthogonal- stitch (ISO-205) and Double-yarn Orthogonal- stitch (ISO-205). It was found that the use of class ISO- 205 manual-type stitched reinforcement significantly enhanced the Mode I-IFT, GIC measured using a Double Cantilever Beam technique. Furthermore, in every case, the use of class ISO-205 stitching and high stitch densities offer a significant improvement of 74.5 % on Mode I-IFT against interlaminar delamination.
引用
收藏
页码:351 / 375
页数:25
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