Mechanical properties of inter-ply hybrid composites reinforced with glass and polyamide fibers

Abstract

The aim of this study is to explore the possibility of using polyamide (PA) as a reinforcement with glass (G) fiber to form new hybrid composites with improved physical and mechanical properties. PA-G–reinforced epoxy hybrid composites were designed, fabricated using the hand layup technique in inter-ply configuration and their mechanical properties were investigated. Results are presented regarding the tensile, flexural, and in-plane shear behaviors of the fabricated composites with a particular consideration of the effects of the stacking sequence and PA-fiber relative volume fraction, ( vPA/ vtot). The experimental results reveal that the existence of G-fiber at the composite external layers and PA-fiber in the core improves the tensile and flexural properties but worsens the shear properties. Also, increasing ( vPA/ vtot) upgrades the tensile properties but deteriorates the flexural and shear properties. The merits of the hybridization in the current study are lesser cost compared to pure PA-composite and lightweight and better ductility compared to pure G-composite with improved mechanical properties. As a result, these hybrid composites are suitable for medium load applications.

Experimental study on the improvement of mechanical properties of GLARE using nanofillers

“…It is cheaper than other fibers such as carbon and Kevlar. [ 34,35 ] Kemapoxy 150RGL is a bi‐component epoxy resin supplied by Chemicals for Modern Buildings Co. Ltd. (Egypt). This epoxy was used by different researchers.…”

Experimental investigation on impact performance of glass–polypropylene hybrid composites: Effect of water aging

“…The overall fiber volume fraction of fabricated composites was obtained as follows (refer to the work of Selmy et al 20 ): A piece from the fabricated composite was considered and its volume was calculated ( V C ). The length of the fiber bundles in all layers ( L ) was determined. The weight of the fiber in the piece ( M f ) was calculated as follows …”

Effect of temperature on tensile and creep‐recovery properties of braided polyester harness cord

“…These curves exhibited almost an essentially linear behavior followed by nonlinear behavior with load rising up to a certain maximum point. Then, a catastrophic failure was observed . The yield phenomenon of PET harness cord can be observed at the applied load near 30 N. The results in Table revealed that, with the increase of temperature, the initial modulus, yield force, and BF of PET harness cord all decreased gradually.…”