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Stick-slip Avalanches in Steady Shearing: Signature of Transition between Granular Fluid and Solid

J. Tsai,Guan-Hao Huang,Cheng-En Tsai

Published 2020 in Unknown venue

ABSTRACT

By observing the fluctuations of fluid-immersed granular particles upon steady shearing, we identify a transitional zone that sets the system apart from fluidic sliding and signals the onset of solid mechanics, as the shear rate decreases. Toward the slow extreme, statistical analyses of the avalanche events combined with internal imaging capture the continuous yet distinctive change of behaviors, and offer test grounds for theories on the development of plasticity. We link such transition with the velocity weakening of inter-particle frictions, and propose a three-state phase diagram that bridges our discoveries on tightly packed granular systems and previous understanding of suspension rheology.

PUBLICATION RECORD

  • Publication year

    2020

  • Venue

    Unknown venue

  • Publication date

    2020-02-18

  • Fields of study

    Materials Science, Physics

  • Identifiers
    arXiv 2002.07329
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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