In this article, the influence of nanoclay Closite 30B on the tensile, the flexural and the punch properties of 2D woven Glass/Epoxy laminate composite have been investigated experimentally. The glass/epoxy/nanoclay laminate have 12 layers and 50% fiber volume fraction is manufactured by VRTM method. Fibers have a plain‐weave configuration with density of 200 g/m2, while the nano‐epoxy resin system is made of diglycidyl ether of bisphenol A (Epon828) resin with jeffamine D400 as the curing agent and an organically modified modified montmorillonite in a platelet form, namely Closite 30B. The nanoclay is dispersed into the epoxy system in a 0, 1, 2, 3, 5, and 7% ratio in weight with respect to the nano‐matrix. The results have shown that the maximum improvement in the tensile strength, the failure strain, and toughness are 13, 7, and 27%, respectively, by 7% nanoclay and in the modulus is 9% by 3% nanoclay. The results of three bending flexural test indicate that the maximum improvement in the flexural strength and flexural modulus are 11 by 3% nanoclay and 48 by 5% nanoclay, respectively. Moreover, the result of punch tests have shown that the maximum improvement in energy absorbed is close to 46 by 5% nanoclay for crosshead speed of 1mm/min and close to 23 by 3% nanoclay for crosshead speed of 100 mm/min. POLYM. COMPOS., 38:205–212, 2017. © 2015 Society of Plastics Engineers
In this article, the ballistic behavior of the glass/epoxy/ nanoclay hybrid nanocomposites is studied. The fiber glass used is a plain weave 200 g/m 2 , while the nanoclay is an organically modified montmorillonite nanoclay (Closite 30B). The epoxy resin system is made of Epon 828 as the epoxy prepolymer and Jeffamine D-400 as the curing agent. 0, 3, 5, 7, and 10 wt% of nanoclay particles are dispersed in the epoxy resin. Ballistic tests are performed using flat-ended projectiles in impact velocities 134 m/s and 169 m/s. The results show that the energy absorption capability and mechanical properties of the composite can be significantly enhanced by adding nanoparticles. When the impact velocity is 134 m/s, near than the ballistic limit, the most increase in the energy absorption capability is observed in 3 wt% nanoclay while with the impact velocity 169 m/s, beyond the ballistic limit, the highest increase is observed in 10 wt% nanoclay. POLYM. COM-POS.,
In this article, the influence of nanoclay Closite 30B on E-glass/epoxy laminated composites behavior has been investigated by ballistic impact, X-ray diffraction and tensile tests. The fiber glass used is a plain weave of 200 g/m2, whereas nanoclay is an organically modified montmorillonite nanoclay (Closite 30B). The epoxy resin system is made up of epon 828 as the epoxy prepolymer and Jeffamine D-400 as the curing agent. The nanoclay particles are dispersed into the epoxy system in 0, 1, 2, 3, 5 and 7% in weight with respect to the matrix. Ballistic tests were performed by considering three impact velocities, 130, 142 and 155 m/s by a flat-ended projectile. The results show that not only have the mechanical properties increased, but also have the energy-absorbing capability and the damage area due to addition of nanoclay particles, especially in impact velocities near to ballistic limit. For the impact velocities of 130 and 142 m/s, the maximum increase of the energy-absorbing capability is observed in 5 wt% nanoclay, whereas for the impact velocity of 155 m/s, the energy-absorbing capability is increased beyond 7 wt% nanoclay.
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