Granulation and suspension rheology a unified treatment

Daniel J. M. Hodgson*, Michiel Hermes, Elena Blanco, Wilson C. K. Poon

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Mixing a small amount of liquid into a powder can give rise to dry-looking granules; increasing the amount of liquid eventually produces a flowing suspension. We perform experiments on these phenomena using Spheriglass, an industrially-realistic model powder. Drawing on recent advances in understanding friction-induced shear thickening and jamming in suspensions, we offer a unified description of granulation and suspension rheology. A 'liquid incorporation phase diagram' explains the existence of permanent and transient granules and the increase of granule size with liquid content. Our results point to rheology-based design principles for industrial granulation.
Original languageEnglish
Article number853
Pages (from-to)853-858
Number of pages5
JournalJournal of rheology
Issue number5
Publication statusPublished - 3 Aug 2022


  • Dense-suspension rheology
  • Granulation
  • Shear thickening


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