Strain Rate Effects in CFRP Used For Blast Mitigation
AbstractThe purpose of this research is to gain a better understanding of strain rate effects in carbon fiber reinforced polymer (CFRP) laminates exposed to blast loading. The use of CFRP offers an attractive option for mitigating structures exposed to blasts. However, the effect of high strain rates in CFRP composites commonly used in the civil industry is unknown. This research conducted tensile tests of 21 CFRP coupons using a hydraulically powered dynamic loader. The strain rates ranged from 0.0015 s−1 to 7.86 s−1 and are representative of strain rates that CFRP may see in a blast when used to strengthen reinforced concrete structures. The results of the testing showed no increase in the tensile strength or stiffness of the CFRP at the higher strain rates. In addition, the results showed significant scatter in the tensile strengths possibly due to the rate of loading or manufacture of the coupon. View Full-Text
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Orton, S.L.; Chiarito, V.P.; Rabalais, C.; Wombacher, M.; Rowell, S.P. Strain Rate Effects in CFRP Used For Blast Mitigation. Polymers 2014, 6, 1026-1039.
Orton SL, Chiarito VP, Rabalais C, Wombacher M, Rowell SP. Strain Rate Effects in CFRP Used For Blast Mitigation. Polymers. 2014; 6(4):1026-1039.Chicago/Turabian Style
Orton, Sarah. L.; Chiarito, Vincent P.; Rabalais, Christopher; Wombacher, Matthew; Rowell, Stephen P. 2014. "Strain Rate Effects in CFRP Used For Blast Mitigation." Polymers 6, no. 4: 1026-1039.