Effect of Stitching on In-Plane and Interlaminar Properties of Sisal/Epoxy Laminates
| Autor: | Yuan Liu, Ming Qiu Zhang, Gui Cheng Yang, Min Zhi Rong, Han Min Zeng, Zhi Wei Zhang |
|---|---|
| Rok vydání: | 2002 |
| Předmět: |
Toughness
Materials science Mechanical Engineering Stiffness 02 engineering and technology Thread (computing) Epoxy 021001 nanoscience & nanotechnology Image stitching In plane 020303 mechanical engineering & transports Fracture toughness 0203 mechanical engineering Mechanics of Materials visual_art Materials Chemistry Ceramics and Composites medicine visual_art.visual_art_medium medicine.symptom Composite material 0210 nano-technology computer SISAL computer.programming_language |
| Zdroj: | Journal of Composite Materials. 36:1505-1526 |
| ISSN: | 1530-793X 0021-9983 |
| Popis: | The factors that influence in-plane mechanical responses and mode I interlaminar fracture toughness of stitched unidirectional sisal/epoxy laminates were studied in this paper. It was found that in-plane strength and stiffness of the laminates were not significantly affected by the stitching threads, while the interlaminar toughness was greatly improved, especially at higher sisal content. Unlike glass fiber reinforced polymer composites, sisal laminates have a rather high tolerance against the damages induced by stitching process. In addition, stitching expanded the fiber bridging zone and determined the R-curve profiles of sisal laminates. Factors including stitching density, diameter and species of stitching thread, continuity of stitching, and modification methods of sisal, were proved to greatly influence the delamination resistance of the laminates. |
| Databáze: | OpenAIRE |
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