On necessary precautions when measuring solid polymer linear viscoelasticity with dynamic analysis in torsion

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dc.contributor.author DIANI, J
ensam.hal.laboratories
dc.contributor.author GILORMINI, p
ensam.hal.laboratories
  86289 Procédés et Ingénierie en Mécanique et Matériaux [Paris] [PIMM]
dc.date.accessioned 2018-01-05T14:51:24Z
dc.date.available 2018-06-30T01:23:05Z
dc.date.issued 2017
dc.date.submitted 2017-11-20T20:30:32Z
dc.identifier.uri http://hdl.handle.net/10985/12466
dc.description.abstract Solid polymer linear viscoelasticity in shear is often characterized by applying torsion and
using the Saint-Venant solution when rectangular prismatic specimens are considered. It is
shown that experimental dynamic torsion tests can show a dependency of the storage
modulus and damping factor on the dimensions of the rectangular prismatic specimen when
linear temperature ramps are applied. While the discrepancy of damping factor is explained
by temperature heterogeneities and can be corrected easily by applying temperature steps,
the inconsistency of storage modulus is due to an invalid application of the Saint-Venant
solution. Finite element simulations allowed definition of the sample dimensions for which
the Saint-Venant solution provides a good approximation, and a coefficient is given to correct
the results obtained with commercial rheometers when other sample dimensions are used.
en
dc.language.iso en
dc.publisher Elsevier
dc.rights Post-print
dc.subject Viscoelasticity en
dc.subject Rheometer en
dc.subject Torsion en
dc.subject Solid en
dc.title On necessary precautions when measuring solid polymer linear viscoelasticity with dynamic analysis in torsion en
ensam.hal.id hal-01676431 *
ensam.hal.status accept *
ensam.embargo.terms 2018-06-30
dc.identifier.doi 10.1016/j.polymertesting.2017.08.025
dc.typdoc Articles dans des revues avec comité de lecture
dc.localisation Centre de Paris
dc.subject.hal Sciences de l'ingénieur: Matériaux
dc.subject.hal Sciences de l'ingénieur: Mécanique
ensam.workflow.submissionConsumer updateFiles *
ensam.audience Internationale
ensam.page 275-280
ensam.journal Polymer testing
ensam.volume 63
ensam.peerReviewing Oui

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