A Comparative Study on the Effect of CNT or Alumina Nanoparticles on the Tensile Properties of Epoxy Nanocomposites

Low velocity impact and fracture characterization of SiO2 nanoparticles filled basalt fiber reinforced composite tubes

“…Mainly effective fracture mechanisms on impact behaviors of SiO 2 nanoparticle filled ± [55] 6 filament wound BFR/Epoxy composite tubes are (a) crack pinning and blocking, (b) the crack front bowing with blunting of crack tips depending on the plastic deformation front of crack tips, (c) interfacial debonding between the epoxy and nanoparticle interfaces, (d) the formation of secondary cracks and after that, (e) the crack branching which causes to occurrence of energy dissipation on all of fracture surface (f) providing strong adhesion between fiber and matrix materials. 4,19,23,29,30,32,33,35–45,67 It was considered that the fast crack propagation over impacted surfaces during the impact periods shown in Figures 6 to 8 was retarded at the end of the provided fracture mechanism by SiO 2 nanoparticles. In addition, this situation may be estimated from the values of maximum forces of SiO 2 nanoparticles filled and unfilled ±[55] 6 filament wound BFR/Epoxy composites.…”

“…Many improvements have been made by filling into polymer matrix materials for the purpose of improvements of mechanical properties and fracture toughness of FRC in literature. 19,23,28–44 In order to increase the fracture toughness and mechanical properties of basalt fiber-reinforced composites, the polymer matrix resin was modified with SiO 2 nanoparticles and multi-walled carbon nanotubes (MWCNT), nonoclay and graphene, etc. The best tensile and bending strength, impact energy, and fracture toughness values were obtained in connection with the homogeneous dispersion of nanoparticles in the polymer matrix at ther atios of 0.3–0.5% wt.…”

A Comprehensive Study on the Effect of ZnO and ZnAl2O4 Nanoparticles on the Mechanical Properties of Epoxy Coating: Tensile and Hardness

“…Industrial interest in epoxy (EP) originates from its vast properties, including high chemical resistance, simple processability, good adhesion to heterogeneous materials, and excellent electrical insulation (Ma et al, 2018;Samad et al, 2018). Such remarkable properties have made EP a material of choice in the marine, automotive, construction, and aircraft industries (Adesina et al, 2020;Yazman & Samancı, 2019). The curing of EP resin can be induced by heat or accelerated by adding curing agents (hardeners) (Baghdadi et al, 2020).…”

Development and characterization of structural adhesives for aerospace industry with alumina nanoparticles under shear and thermo-mechanical impact loads

“…In several works, the nano-Al 2 O 3 was reported to lead to higher mechanical properties than some nanofillers. 15–21 Saraç et al. 16 found out that nano-Al 2 O 3 reinforced epoxy adhesives joints have higher failure loads compared to epoxy adhesives reinforced with TiO 2 and SiO 2 nanoparticles.…”

“…15 also showed higher tensile stiffness and strength of nano-Al 2 O 3 /epoxy composites compared to nanoclay epoxy composites. Recently, Yazman and Samanci 17 depicted higher ultimate tensile strength, elongation, toughness, and Young’s modulus for Al 2 O 3 /epoxy nacomposites compared to carbon nanotubes/epoxy composites for similar nanoparticle content. Liang and Wong 18 found that the nano and micro Al 2 O 3 nanocomposites have better mechanical and thermal properties compared to those of the SiO 2 nanocomposites.…”