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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/7970
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dc.contributor.authorBarik, Sachidananda-
dc.contributor.authorMajumdar, Sayantan-
dc.date.accessioned2022-07-04T09:11:04Z-
dc.date.available2022-07-04T09:11:04Z-
dc.date.issued2022-06-23-
dc.identifier.citationPhysical Review Letters 2022, Vol.128, p258002en_US
dc.identifier.issn0031-9007-
dc.identifier.issn1079-7114 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/7970-
dc.descriptionRestricted Access.en_US
dc.description.abstractMany dense particulate suspensions show a stress induced transformation from a liquidlike state to a solidlike shear jammed (SJ) state. However, the underlying particle-scale dynamics leading to such striking, reversible transition of the bulk remains unknown. Here, we study transient stress relaxation behaviour of SJ states formed by a well-characterized dense suspension under a step strain perturbation. We observe a strongly nonexponential relaxation that develops a sharp discontinuous stress drop at short time for high enough peak-stress values. High resolution boundary imaging and normal stress measurements confirm that such stress discontinuity originates from the localized plastic events, whereas system spanning dilation controls the slower relaxation process. We also find an intriguing correlation between the nature of transient relaxation and the steady-state shear jamming phase diagram obtained from the Wyart-Cates model.en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.urihttps://arxiv.org/abs/2206.12582en_US
dc.relation.urihttps://doi.org/10.1103/PhysRevLett.128.258002en_US
dc.relation.urihttps://ui.adsabs.harvard.edu/abs/2022arXiv220612582B/abstracten_US
dc.rights2022 American Physical Societyen_US
dc.subjectJammingen_US
dc.subjectNon Newtonian Fluidsen_US
dc.subjectRheologyen_US
dc.titleOrigin of Two Distinct Stress Relaxation Regimes in Shear Jammed Dense Suspensionsen_US
dc.typeArticleen_US
Appears in Collections:Research Papers (SCM)

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