Abstract: In this paper we have modified an existing material model introduced by Cantournet and co-workers to take into account softening and residual strain effects observed in polymeric materials reinforced with carbon nanotubes when subjected to loading and unloading cycles. In order to assess the accuracy of the modified material model, we have compared theoretical predictions with uniaxial extension experimental data obtained from reinforced polymeric material samples. It is shown that the proposed model follows experimental data well as its maximum errors attained are lower than 2.67%, 3.66%, 7.11% and 6.20% for brominated isobutylene and paramethylstyrene copolymer reinforced with multiwall carbon nanotubes (BIMSM-MWCNT), reinforced natural rubber (NR-MWCNT), polybutadiene-carbon black (PB-CB), and PC/ABS reinforced with single-wall carbon nanotubes (SWCNT), respectively.
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Córdova, R.K.; Elías-Zúiga, A.; Elizalde, L.E.; Siller, H.R.; Sánchez, J.A.; Rodríguez, C.A.; Ortega, W. Polymeric Materials Reinforced with Multiwall Carbon Nanotubes: A Constitutive Material Model. Materials 2013, 6, 2873-2891.
Córdova RK, Elías-Zúiga A, Elizalde LE, Siller HR, Sánchez JA, Rodríguez CA, Ortega W. Polymeric Materials Reinforced with Multiwall Carbon Nanotubes: A Constitutive Material Model. Materials. 2013; 6(7):2873-2891.
Córdova, René K.; Elías-Zúiga, Alex; Elizalde, Luis E.; Siller, Héctor R.; Sánchez, José A.; Rodríguez, Ciro A.; Ortega, Wendy. 2013. "Polymeric Materials Reinforced with Multiwall Carbon Nanotubes: A Constitutive Material Model." Materials 6, no. 7: 2873-2891.