Kevlar fibers reinforced straw wastes-polyethylene composites: Combining toughness, strength and self-extinguishing capabilities
| Autor: | Xiaohang Dou, Baoxu Zhang, Xiangsheng Han, Wenyu Lu, Wenfan Yu, Hongzhen Cai |
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| Rok vydání: | 2021 |
| Předmět: |
Toughness
Materials science Structural material Mechanical Engineering Izod impact strength test Kevlar Polyethylene Straw Industrial and Manufacturing Engineering chemistry.chemical_compound chemistry Flexural strength Mechanics of Materials Ultimate tensile strength Ceramics and Composites Composite material |
| Zdroj: | Composites Part B: Engineering. 223:109117 |
| ISSN: | 1359-8368 |
| DOI: | 10.1016/j.compositesb.2021.109117 |
| Popis: | Transforming crop straw wastes into functional wood-plastic composites is considered as a cost efficient and eco-friendly way for agricultural wastes recycling. However, the lacking of promising mechanical strengths and functionalities have been the main hindrances for their actual applications in structural and engineering constructions. Herein, Kevlar fibers were applied as reinforcing fillers to enhance the mechanical properties of crop straw-polyethylene composites. These prepared composites achieved excellent mechanical strengths (tensile strength ~41.89 MPa, flexural strength ~55.28 MPa, and impact strength ~12.40 KJ/m2), toughness (~2.16 MJ/m3), and dynamic strengths, which made them suitable for structural materials. Besides, these composites also showed improved thermal stabilities and sort of self-extinguishing capabilities. Thus, this study could provide an effective pathway for the recycling of low-cost agricultural crop straw wastes to high performance composites suitable as structural and building materials. |
| Databáze: | OpenAIRE |
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