A contribution to the interpretation of polymer viscoelasticity in DMTA testing |
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| Authors: | Cleuza Maria Wasilkoski Gabriel Pinto De Souza Leni Akcelrud |
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| Affiliation: | 1.Instituto de Tecnologia para o Desenvolvimento (LACTEC),Centro Politécnico,Curitiba,Brazil;2.Programa de Pós-Gradua??o em Engenharia (PIPE),Universidade Federal do Paraná,Curitiba,Brazil;3.Departamento de Química, Centro Politécnico,Universidade Federal do Paraná,Curitiba,Brazil |
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| Abstract: | Some ideas relevant to the prevailing viscoelasticity interpretations of dynamic mechanical thermal analysis (DMTA) experiments
are presented. The main aspect is the inclusion of kinetic energy and inertia as variables, seeing the relaxing mass constantly
increasing during strain, assigning inertial variation and not viscosity to energy dissipation. The equations developed make
it possible to obtain the values of important viscoelastic properties, under in any experimental condition, with the data
taken from previous experiments. |
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