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Themed collection Liquid Composites

22 items
Editorial

Introduction to liquid composites

Michael Bartlett and Robert Style introduce the Soft Matter themed collection on liquid composites.

Graphical abstract: Introduction to liquid composites
From the themed collection: Liquid Composites
Open Access Communication

Switchable adhesion of soft composites induced by a magnetic field

Magnetically-switchable adhesion of a two-phase composite to non-magnetic objects is achieved by magnetically addressing the material dissipative properties.

Graphical abstract: Switchable adhesion of soft composites induced by a magnetic field
From the themed collection: Liquid Composites
Communication

Oxide-mediated mechanisms of gallium foam generation and stabilization during shear mixing in air

The fracturing and incorporation of liquid gallium surface oxides during shear mixing in air enables the stabilization of air bubbles within gallium which leads to the formation of a room-temperature liquid metal foam.

Graphical abstract: Oxide-mediated mechanisms of gallium foam generation and stabilization during shear mixing in air
From the themed collection: Liquid Composites
Accepted Manuscript - Paper

Fundamentals of Soft Thermofluidic System Design

From the themed collection: Liquid Composites
Paper

Modeling of surface mechanical behaviors of soft elastic solids: theory and examples

We study a general formulation in which the surface can support large deformation and carry both surface stresses and surface bending moments.

Graphical abstract: Modeling of surface mechanical behaviors of soft elastic solids: theory and examples
From the themed collection: Liquid Composites
Paper

Direct write printing of a self-encapsulating liquid metal–silicone composite

Silicone composites featuring inclusions of liquid metal particles are soft and stretchable materials with useful electric, dielectric, mechanical, and thermal properties.

Graphical abstract: Direct write printing of a self-encapsulating liquid metal–silicone composite
From the themed collection: Liquid Composites
Paper

Dimerization and structure formation of colloids via capillarity at curved fluid interfaces

We probe colloidal organization by considering the interactions of the overlapping distortions of colloids on a curved interface.

Graphical abstract: Dimerization and structure formation of colloids via capillarity at curved fluid interfaces
From the themed collection: Liquid Composites
Open Access Paper

Theory of droplet ripening in stiffness gradients

We present a numerical and analytical analysis of elastic ripening, where droplets embedded in an elastic matrix are biased towards softer regions.

Graphical abstract: Theory of droplet ripening in stiffness gradients
From the themed collection: Liquid Composites
Open Access Paper

Elastic stresses reverse Ostwald ripening

When liquid droplets grow in a polymer network, compressive stresses from the network can reverse the direction of Ostwald ripening.

Graphical abstract: Elastic stresses reverse Ostwald ripening
From the themed collection: Liquid Composites
Open Access Paper

Impurity effects in thermal regelation

When a particle is placed in a material with a lower bulk melting temperature, intermolecular forces can lead to the existence of a “premelted” liquid film of the lower melting temperature material.

Graphical abstract: Impurity effects in thermal regelation
From the themed collection: Liquid Composites
Paper

Size of liquid metal particles influences actuation properties of a liquid crystal elastomer composite

A shape-morphing composite exhibits tunable actuation properties (stroke and force output) that are influenced by liquid metal particle size.

Graphical abstract: Size of liquid metal particles influences actuation properties of a liquid crystal elastomer composite
From the themed collection: Liquid Composites
Paper

Capillary-driven indentation of a microparticle into a soft, oil-coated substrate

The contact between a small glass microsphere and an oil-coated soft PDMS substrate is investigated using confocal microscopy.

Graphical abstract: Capillary-driven indentation of a microparticle into a soft, oil-coated substrate
From the themed collection: Liquid Composites
Paper

Investigation of thermal conductivity for liquid metal composites using the micromechanics-based mean-field homogenization theory

Micromechanics-based mean-field homogenization models estimate the thermal conductivity of liquid metal composites along the dependency on liquid inclusion concentrations and strains.

Graphical abstract: Investigation of thermal conductivity for liquid metal composites using the micromechanics-based mean-field homogenization theory
From the themed collection: Liquid Composites
Paper

Uniform conductivity in stretchable silicones via multiphase inclusions

A thin, stretchable (200% linear strain), multiphase (solid–liquid) silicone composite with uniform electrical conductivity, for Joule heating and high-deformation sensing.

Graphical abstract: Uniform conductivity in stretchable silicones via multiphase inclusions
From the themed collection: Liquid Composites
Paper

Crystallization at droplet interfaces for the fabrication of geometrically programmed synthetic magnetosomes

A strategy applicable to the synthesis of artificial magnetosomes with programmable magnetic domains is described. The magnetic domains are polarized and thus readily manipulated using magnetic fields or assembled using droplet–droplet interactions.

Graphical abstract: Crystallization at droplet interfaces for the fabrication of geometrically programmed synthetic magnetosomes
From the themed collection: Liquid Composites
Paper

A fluidic demultiplexer for controlling large arrays of soft actuators

This work proposes a soft microfluidic demultiplexer as a potential control system for soft robotics.

Graphical abstract: A fluidic demultiplexer for controlling large arrays of soft actuators
From the themed collection: Liquid Composites
Paper

Nature inspired solid–liquid phase amphibious adhesive

Here we report a new class of bio-inspired solid–liquid adhesive, obtained by simple mechanical dispersion of PVDF (polyvinylidene fluoride) (solid spheres) into PDMS (polydimethylsiloxane) (liquid).

Graphical abstract: Nature inspired solid–liquid phase amphibious adhesive
From the themed collection: Liquid Composites
Paper

Fabrication of solvent transfer-induced phase separation bijels with mixtures of hydrophilic and hydrophobic nanoparticles

Solvent transfer-induced phase separation bijels with oils of different polarity are fabricated by using a mixture of hydrophilic and hydrophobic silica nanoparticles, further expanding their potential applications in separation and catalysis.

Graphical abstract: Fabrication of solvent transfer-induced phase separation bijels with mixtures of hydrophilic and hydrophobic nanoparticles
From the themed collection: Liquid Composites
Paper

3D aggregation of cells in packed microgel media

In both natural and applied contexts, investigating cell self-assembly and aggregation within controlled 3D environments leads to improved understanding of how structured cell assemblies emerge, what determines their shapes and sizes, and whether their structural features are stable.

Graphical abstract: 3D aggregation of cells in packed microgel media
From the themed collection: Liquid Composites
Open Access Paper

Autonomous analysis to identify bijels from two-dimensional images

Experimental parameters alone cannot predict whether a bijel will form. A machine learning tool can help classify bijel images.

Graphical abstract: Autonomous analysis to identify bijels from two-dimensional images
From the themed collection: Liquid Composites
Paper

Viability of Lactobacillus rhamnosus GG microencapsulated in alginate/chitosan hydrogel particles during storage and simulated gastrointestinal digestion: role of chitosan molecular weight

Chitosan coating improves the long-term stability of sodium alginate hydrogel particles but not the viability of encapsulated probiotics.

Graphical abstract: Viability of Lactobacillus rhamnosus GG microencapsulated in alginate/chitosan hydrogel particles during storage and simulated gastrointestinal digestion: role of chitosan molecular weight
From the themed collection: Liquid Composites
Paper

PDMS polymerized high internal phase emulsions (polyHIPEs) with closed-cell, aqueous-filled microcavities

Elastomeric polyHIPE with aqueous encapsulations.

Graphical abstract: PDMS polymerized high internal phase emulsions (polyHIPEs) with closed-cell, aqueous-filled microcavities
From the themed collection: Liquid Composites
22 items

About this collection

This collection, guest-edited by Michael Bartlett (Iowa State University) and Robert Style (ETH Zürich) will focus on exciting advances involving soft materials with a liquid component. In particular, it will involve contributions on materials that use liquid components to achieve new mechanical properties and functional responses, and on the use of liquids to create novel materials. We especially encourage submissions in the fields of: liquids embedded in solids, phase separation, 3D printing, soft electronics, soft robotics, wet granular materials, food science and emulsion/foam systems.

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