Compressive and Interlaminar Shear Strength Properties of Biaxial Fibreglass Laminates Hybridized with Jute Fibre Produced by Vacuum Infusion

• Published in: Journal of natural fibers 2021-11, Vol.18 (11), p.1772-1787
• Main Authors: Alves, Jose Leandro Correia, Prado, Karen S., de Paiva, Jane M. F.
• Format: Article
• Language: English
• Subjects: Compression; Compression tests; compressive; Compressive strength; Fiber composites; Fiberglass; Fractures; Glass fibers; hybrid composite; Hybrid composites; Hybrid laminate; Interfacial shear strength; interlaminar shear strength; Jute; Laminates; Mechanical properties; Nonwoven fabrics; Optical microscopes; Shear properties; Shear strength; Textile composites; Vacuum; 压缩; 机械性能; 混合复合材料; 混合层压板; 间层剪切强度
• ISSN: 1544-0478; 1544-046X
• DOI: 10.1080/15440478.2019.1697996

In this work, compressive and interlaminar shear properties of hybrid laminates were evaluated in order to fulfill the gap regarding the analysis of these mechanical properties and their importance for hybrid composites with natural fiber. Laminates of epoxy and jute fabric with non-woven glass fabrics were manufactured by vacuum infusion. Three hybrid laminates were produced with different orientation of their layers. Fiber weight fraction was 60% and density was 20% lower than glass fiber-reinforced composites. The hybrid laminates with jute fabric showed lower compressive and interlaminar shear strength compared to the glass fiber laminates, and the best compressive strength result was presented by the hybrid laminate with layers oriented 0/90°. The fractures of laminates were evaluated by an optical microscope. In the hybridized laminates, mainly in short beam testing, the failures occurred between jute layers whereas in compression failures were identified in the bordering surface of the glass and jute layer and in some regions with excess of resin. These results suggest that the hybrid laminates configurations developed and analyzed in this work can be successfully applied to mold components in composites, arising as an environmentally friendly option to the glass fiber-reinforced composites.