Abstract

We review progress in designing and transforming multi-functional yield-stress fluids and give a perspective on the current state of knowledge that supports each step in the design process. We focus mainly on the rheological properties that make yield-stress fluids so useful and the trade-offs which need to be considered when working with these materials. Thinking in terms of “design with” and “design of” yield-stress fluids motivates how we can organize our scientific understanding of this field. “Design with” involves identification of rheological property requirements independent of the chemical formulation, e.g. for 3D direct-write printing which needs to accommodate a wide range of chemistry and material structures. “Design of” includes microstructural considerations: conceptual models relating formulation to properties, quantitative models of formulation-structure-property relations, and chemical transformation strategies for converting effective yield-stress fluids to be more useful solid engineering materials. Future research directions are suggested at the intersection of chemistry, soft-matter physics, and material science in the context of our desire to design useful rheologically-complex functional materials.

Original languageEnglish (US)
Article number100758
JournalCurrent Opinion in Solid State and Materials Science
Volume23
Issue number5
DOIs
StatePublished - Oct 2019

Keywords

  • 3D printing
  • Chemistry
  • Colloids
  • Complex fluids
  • Design
  • Elasticity
  • Emulsions
  • Engineering
  • Extension
  • Physics
  • Polymers
  • Rheology
  • Soft matter
  • Thixotropy
  • Yield-stress fluid

ASJC Scopus subject areas

  • Materials Science(all)

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