Tunable shear thickening, aging, and rejuvenation in suspensions of shape-memory-endowed liquid crystalline particles.

ABSTRACT: The morphological features of particles, notably shape anisotropy, critically influence the rheological properties of dense suspensions, spanning both natural and engineered systems. This work explores the potential of using shape memory particles to dynamically regulate suspension fluid flow through controllable shape transformations. First, we synthesize shape-memory particles with programmable anisotropy from liquid crystal elastomers, such that the stiffness and shapes of the particles can be tuned by manipulating temperature. Our findings reveal that suspensions from such particles exhibit significant tunability in shear thickening behavior, transitioning from discontinuous shear thickening to a Newtonian-like response within a narrow temperature range of 60 [Formula: see text]C. This

SUBMITTER: Chen C 

PROVIDER: S-EPMC12260540 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature