Please use this identifier to cite or link to this item: https://doi.org/10.1122/1.4855496
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dc.titleNormal stress differences behavior of polymeric particle suspension in shear flow
dc.contributor.authorLin, Y.
dc.contributor.authorPhan-Thien, N.
dc.contributor.authorCheong Khoo, B.
dc.date.accessioned2014-10-07T09:08:36Z
dc.date.available2014-10-07T09:08:36Z
dc.date.issued2014-01
dc.identifier.citationLin, Y., Phan-Thien, N., Cheong Khoo, B. (2014-01). Normal stress differences behavior of polymeric particle suspension in shear flow. Journal of Rheology 58 (1) : 223-235. ScholarBank@NUS Repository. https://doi.org/10.1122/1.4855496
dc.identifier.issn01486055
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/85488
dc.description.abstractNormal stress differences behavior of polymeric particle suspension in shear flow is investigated. The first normal stress difference (N1) in shear flow is found to mainly arise from the polymer matrix with a relaxation behavior altered by the presence of particles, which has its origin from the polymer chains trapped in the near-contact asymmetric regions of closely packed particles, while the second normal stress difference (N2) is dominated by the microstructure of particles at high volume fractions. It is proposed that the stress tensor in a polymeric suspension is the sum of a particle-contributed stress arising from the microstructure interaction and a polymeric matrix contributed stress with a relaxation spectrum altered by the particle microstructure. A simple model is proposed to describe how the relaxation behavior of a polymer matrix can be changed by the confinements of particles in suspension. © 2014 The Society of Rheology.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1122/1.4855496
dc.sourceScopus
dc.subjectNormal stress differences
dc.subjectPolymeric suspension
dc.subjectRelaxation time
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1122/1.4855496
dc.description.sourcetitleJournal of Rheology
dc.description.volume58
dc.description.issue1
dc.description.page223-235
dc.description.codenJORHD
dc.identifier.isiut000329357400009
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