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Diego Lascano,Rafael Balart,David Garcia-Sanoguera,Angel Agüero,Teodomiro Boronat,Nestor Montanes 한국섬유공학회 2021 Fibers and polymers Vol.22 No.3
This research is focused on manufacturing and characterization of hybrid composite laminates obtained differentstacking sequences of basalt and flax fabrics with silane treatments embedded in a partially bio-sourced epoxy resin asmatrix. They were manufactured by the vacuum-assisted resin infusion molding and mechanical properties were tested intensile, flexural and impact conditions. The effect of the coupling agent on the fiber/matrix interface was studied by FESEM. The effect of temperature on mechanical properties was evaluated by DMTA and TMA. FESEM images revealed improvedfiber/matrix interactions with silane treatment, having a more satisfactory effect on basalt fibers than on flax fibers because ofits silica-based structure, leading to improved mechanical properties. It is worthy to note that the hybrid stacking sequencehas no remarkable influence on the elongation at break. On the contrary, the hybrid stacking sequence offered a greatinfluence on both the elastic modulus and the tensile strength.