{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/85117"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/85117","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Processing Dependent Mechanical Behavior and Molecular Structure of Electrospun Polymeric Nanofibers","abstract":"Finally, a semi-empirical model was proposed to capture the viscous response of PAN nanofibers. At small viscoelastic deformations, the model is composed of a set of linear springs and dashpots, appropriately assembled to capture the strain rate sensitive elastic modulus and creep behavior of the nanofibers. At large viscoplastic deformations, the model is composed of a Langevin spring and an Eyring's dashpot that capture the strain rate sensitive yield stress and the orientation hardening observed in the experimental stress-strain curves.","abstract_html":"Finally, a semi-empirical model was proposed to capture the viscous response of PAN nanofibers. At small viscoelastic deformations, the model is composed of a set of linear springs and dashpots, appropriately assembled to capture the strain rate sensitive elastic modulus and creep behavior of the nanofibers. 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