Journal of the Faculty of Engineering and Architecture of Gazi University, cilt.37, sa.4, ss.1985-1995, 2022 (SCI-Expanded)
The current investigation aims at enhancing the buckling characteristics of basalt fiber-reinforced composites by incorporating nano clay (NC) particles into the epoxy matrix system. Basalt fiber-reinforced composite laminates containing different NC concentrations (0.0%, 0.5%, 1.0%, 1.5%, 2.0% and 3.0%) by weight have been manufactured by vacuum-assisted resin transfer molding method and subjected to axial and lateral compression loadings to determine the effects of NC particles on buckling properties. Also, the influences of NC particles on material structure were examined by analysis with SEM micrographs of buckled samples. The results demonstrate that introduction of NC particles has significant effects on both axial and lateral buckling behaviors. Compared to pure samples, the highest improvements obtained for axial and lateral critical buckling loads were 48.1% and 39.56%, respectively, from the sample having 1% NC. Further increasing amount of NC particle content have exhibited reductions in critical buckling loads. This can be explained by poor interfacial bonding as a result of agglomerations and exfoliation of nanoparticles at epoxy/basalt interfaces in certain areas. According to obtained results, the application of NC inclusion has proved to be compatible with structure of basalt fiber-reinforced composites and they might be used together for applications requiring high buckling resistance.