Die swell, normal stresses, and viscoelastic deformations in polymer flow

Vinogradov, G. V.; Isaev, A. I.; Brizitskii, V. I.; Podol'skii, Yu. Ya.; Malkin, A. Ya.; Zabugina, M.P.

doi:10.1007/bf00857288

Cited by 2 publications

(2 citation statements)

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“…Several experimental studies were performed during the 60's and 70's, analyzing mainly polymers using Weissenberg rheogoniometer or equivalent experimental equipment collecting valuable data, as an example, we could cite the works (60,43,103,35,98,63,94), it is worth to mention the several contributions made by Dr. Alexander Malkin from the Institute of Petrochemical Synthesis at Moscow and co-workers (67,126,73,125,75,124,74). A normal stress correlation with a very good agreement for polyisobutylene fluids based on data available in the literature was proposed by (122).…”

Section: Normal Stressesmentioning

confidence: 99%

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An Experimental Study of the Validity of the Von Mises Yielding Criterion for Elasto-Viscoplastic Materials

SICA¹

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in 2010, with a full scholarship (Brazilian Ministry of Education). His final project won the Oscar Niemeyer Award for Scientific and Technological Works, CREA-RJ. Then, he started to work as a research engineer with computational modeling and numerical solution of partial differential equations, focused on thermohydro-mechanical-chemical processes in Geosystems, in the National Laboratory for Scientific Computing (LNCC), where he was already involved in research activities for 2 years and 5 months. After this period he had decided to start his master degree in computational modeling graduating as M.Sc. in Computational Modeling at the National Laboratory for Scientific Computing (LNCC) in February of 2014. In parallel in 2013, he had decided to change his research focus to rheological material characterization and continuum mechanics. Furthermore, he had stayed a year as a research fellow at Texas A&M University under professor Kumbakonam Rajagopal supervision. Bibliographic data Sica, Luiz Umberto RodriguesAn experimental study of the validity of the von Mises yielding criterion for elasto-viscoplastic materials / Luiz Umberto

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Section: Normal Stressesmentioning

confidence: 99%

“…Several theoretical normal stresses relationships for die swell available in the literature were analyzed by (124). They have concluded that the models with a better agreement with experimental data were the ones in which the dependence of the effective viscosity and viscoelastic deformations on the rate of deformation were neglected.…”

Section: Normal Stressesmentioning

confidence: 99%