Interface Instability in Shear-Banding Flow [PDF]
Physical Review Letters, 2006 We report on the spatio-temporal dynamics of the interface in shear-banding flow of a wormlike micellar system (cetyltrimethylammonium bromide and sodium nitrate in water) during a start-up experiment. Using the scattering properties of the induced structures, we demonstrate the existence of an instability of the interface between bands along the ...
Lerouge, Sandra +2 more
openaire +3 more sources
Growth of thermoplastic shear band
Journal of Materials Research and TechnologyShear localization is a fundamental and widely observed non-equilibrium phenomenon in metallic materials subjected to impulsive loadings. Despite extensive research over several decades, the evolution of shear bands still remains poorly understood.
Dong-Lin Sheng +3 more
doaj +1 more source
The genesis of adiabatic shear bands
Scientific Reports, 2016 AbstractAdiabatic shear banding (ASB) is a unique dynamic failure mechanism that results in an unpredicted catastrophic failure due to a concentrated shear deformation mode. It is universally considered as a material or structural instability and as such, ASB is hardly controllable or predictable to some extent.
P. Landau +4 more
openaire +2 more sources
Shear localization in quasi-two-dimensional frictionless hydrogel layer controlled by packing fraction and system geometry [PDF]
EPJ Web of ConferencesHow do packing fraction and system geometry a↵ect shear banding, which controls the entire system’s rheological properties? In this study, we demonstrate that both increases in packing fraction and in shear channel width decrease shear band width ...
Sasaki Yuto, Katsuragi Hiroaki
doaj +1 more source
A Constitutive Model for Locally Drained Shear Bands in Globally Undrained Dense Sand [PDF]
E3S Web of Conferences, 2019 When saturated granular materials which are dilative in nature are subjected to the undrained deformation, their strength increases due to the generation of negative excess pore pressure.
Mallikarachchi Hansini, Soga Kenichi
doaj +1 more source
Wall slip, shear banding, and instability in the flow of a triblock copolymer micellar solution [PDF]
, 2007 The shear flow of a triblock copolymer micellar solution (PEO--PPO--PEO Pluronic P84 in brine) is investigated using simultaneous rheological and velocity profile measurements in the concentric cylinder geometry.
Colin, A. +3 more
core +6 more sources
Tensegrity metamaterial-based shear band structure for non-pneumatic tires
Forces in MechanicsNon-pneumatic tires (NPTs) represent a revolutionary advancement in the tire industry, owing to their puncture-proof nature and high design flexibility.
Yuling Wei +4 more
doaj +1 more source
Study on the Shear Band of Sand with Various Particle Characteristics Using PIV Analysis [PDF]
E3S Web of Conferences, 2019 The phenomenon of ground undergoing large plastic deformation, leading to collapse, occurs due to the localization of unstable deformation. The investigation of shear band is important in order to understand the destructive phenomenon.
Kajiyama Shintaro +3 more
doaj +1 more source
Crossover from quasi-static to dense flow regime in compressed frictional granular media [PDF]
, 2013 We investigate the evolution of multi-scale mechanical properties towards the macroscopic mechanical instability in frictional granular media under multiaxial compressive loading.
Amitrano, David +2 more
core +5 more sources
The Size Effect of Shear Bands in Dense Sands—A Discrete Element Analysis
Applied SciencesThe localization of deformation in shear bands is a fundamental phenomenon in granular materials like soil. In this study, we focus on the characteristics of shear bands, particularly the size effect, by implementing biaxial discrete element method (DEM)
Zongyuan Mao +3 more
doaj +1 more source