Design of yield-stress fluids: A rheology-to-structure inverse problem

Arif Z. Nelson, Randy H. Ewoldt

Research output: Contribution to journalArticlepeer-review

Abstract

We present a paradigm for the design of yield-stress fluids, using six archetypal materials for demonstration. By applying concepts of engineering design, we outline a materials design paradigm that includes (i) morphological organization based on jammed versus networked microstructures, (ii) collected scaling laws for predictive design, (iii) low-dimensional descriptions of function-valued flow data, (iv) consideration of secondary properties including viscous behavior, and (v) a strategy for material concept synthesis based on the juxtaposition of microstructures. By explicitly specifying these design strategies, we seek to create an ontology and database for the engineering of yield-stress fluids. Our proposed design strategy increases the likelihood of finding an optimal material and prevents design fixation by considering multiple material classes to achieve a desired rheological performance. This flips the typical structure-to-rheology analysis to become the inverse: rheology-to-structure with multiple possible materials as solutions.

Original languageEnglish (US)
Pages (from-to)7578-7594
Number of pages17
JournalSoft Matter
Volume13
Issue number41
DOIs
StatePublished - Jan 1 2017

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics

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