Large amplitude oscillatory shear flow: Microstructural assessment of polymeric systems

M Kamkar, R Salehiyan, TB Goudoulas… - Progress in Polymer …, 2022 - Elsevier
Since the first publications of large amplitude oscillatory shear (LAOS) responses of
polymeric materials in the 1960s, different approaches have been developed to express …

A review of nonlinear oscillatory shear tests: Analysis and application of large amplitude oscillatory shear (LAOS)

K Hyun, M Wilhelm, CO Klein, KS Cho, JG Nam… - Progress in polymer …, 2011 - Elsevier
Dynamic oscillatory shear tests are common in rheology and have been used to investigate
a wide range of soft matter and complex fluids including polymer melts and solutions, block …

Structured ultra‐flyweight aerogels by interfacial complexation: self‐assembly enabling multiscale designs

M Kamkar, A Ghaffarkhah, R Ajdary, Y Lu… - Small, 2022 - Wiley Online Library
The rapid co‐assembly of graphene oxide (GO) nanosheets and a surfactant at the oil/water
(O/W) interface is harnessed to develop a new class of soft materials comprising continuous …

Molecular transitions and dynamics at polymer/wall interfaces: origins of flow instabilities and wall slip

SQ Wang - Polymers in confined environments, 1999 - Springer
This article reviews recent results on capillary melt flow anomalies. Long standing
controversies and debates in this field are illustrated by summarizing previous results and …

Wall slip and the nonlinear dynamics of large amplitude oscillatory shear flows

MD Graham - Journal of Rheology, 1995 - pubs.aip.org
Large amplitude oscillatory shear flows of polymer melts between parallel plates may exhibit
complicated nonperiodic responses characteristic of quasiperiodicity or chaos. This complex …

Dilute rigid dumbbell suspensions in large-amplitude oscillatory shear flow: Shear stress response

RB Bird, AJ Giacomin, AM Schmalzer… - The Journal of chemical …, 2014 - pubs.aip.org
We examine the simplest relevant molecular model for large-amplitude shear (LAOS) flow of
a polymeric liquid: the suspension of rigid dumbbells in a Newtonian solvent. We find explicit …

On the occurrence of even harmonics in the shear stress response of viscoelastic fluids in large amplitude oscillatory shear

K Atalık, R Keunings - Journal of non-newtonian fluid mechanics, 2004 - Elsevier
The non-linear response of polymeric liquids observed experimentally in large amplitude
oscillatory shear (LAOS) is generally characterized by the presence of odd harmonics of the …

Characterising soft tissues under large amplitude oscillatory shear and combined loading

K Tan, S Cheng, L Jugé, LE Bilston - Journal of biomechanics, 2013 - Elsevier
Characterising soft biological tissues outside the linear viscoelastic regime is challenging
due to their complex behaviour. In addition, the viscoelastic properties of tissues have been …

Large amplitude oscillatory shear and Fourier-transform rheology for a high-density polyethylene: Experiments and numerical simulation

B Debbaut, H Burhin - Journal of Rheology, 2002 - pubs.aip.org
Rheological characterization of a high-density polyethylene is performed by means of
measurements of the storage and loss moduli with a new viscometric device. Shear viscosity …

Investigation of the solid–liquid transition of highly concentrated suspensions in oscillatory amplitude sweeps

L Heymann, S Peukert, N Aksel - Journal of Rheology, 2002 - pubs.aip.org
Suspensions of quasimonodisperse polymethylmethacrylate spheres with mean diameters
of 4.7 and 3.1 μm, dispersed in a low-molecular-weight polydimethylsiloxane, were …