Results 21 to 30 of about 236,183 (295)

Shear Band Formation in Amorphous Materials under Oscillatory Shear Deformation

open access: yesMetals, 2020
The effect of periodic shear on strain localization in disordered solids is investigated using molecular dynamics simulations. We consider a binary mixture of one million atoms annealed to a low temperature with different cooling rates and then subjected
Nikolai V. Priezjev
doaj   +1 more source

Mechanism of shear stress fluctuation and dropping of the soil-rock mixture

open access: yesShuiwen dizhi gongcheng dizhi, 2021
The shear stress-dropping (jump) of the soil-rock mixture (S-RM) exists under direct shear conditions. In this paper the main factors affecting the stress-dropping are explored with the large scale direct shear test.
Feng HU, Zhiqing LI, Qi LIU, Ruilin HU
doaj   +1 more source

Effects of void shape and location on the fracture and plastic deformation of Cu (crystalline) /Cu64Zr36 (amorphous) composites

open access: yesJournal of Materials Research and Technology, 2023
Voids are probably the most widely studied type of manufacturing defects since they are often formed during material processing. In this paper, the fracture and plastic deformation of Cu/Cu64Zr36 crystalline/amorphous composites with different void ...
Yun-Li Li   +3 more
doaj   +1 more source

Enhancement of punching shear strength of flat slabs using shear-band reinforcement

open access: yesHBRC Journal, 2018
Flat-slab system is widely used nowadays. Major and critical problem of this system is its sudden brittle failure is called punching shear failure. To overcome the punching failure problem, there are many ways to increase the punching shear strength of ...
Nasr Z. Hassan   +3 more
doaj   +1 more source

Transient and steady-state shear banding in a lamellar phase as studied by Rheo-NMR [PDF]

open access: yes, 2012
Flow fields and shear-induced structures in the lamellar (L-alpha) phase of the system triethylene glycol mono n-decyl ether (C10E3)/water were investigated by NMR velocimetry, diffusometry, and H-2 NMR spectroscopy. The transformation from multilamellar
Galvosas, Petrik   +4 more
core   +1 more source

SHEAR BAND OBSERVATIONS AND DERIVATIONS OF REQUIREMENTS FOR A SHEAR BAND MODEL

open access: yesLe Journal de Physique Colloques, 1985
Observations of shear banding in fragmenting cylinders and in dynamic punch tests were analyzed for guidance in development of a theoretical model. The fragmenting cylinder tests led to a micro-mechanical model containing nucleation and growth processes for micro shear bands.
Seaman, L.   +4 more
openaire   +2 more sources

Shear-band arrest and stress overshoots during inhomogeneous flow in a metallic glass [PDF]

open access: yes, 2012
At the transition from a static to a dynamic deformation regime of a shear band in bulk metallic glasses, stress transients in terms of overshoots are observed.
Derlet, P. M.   +4 more
core   +1 more source

Crossing of shears bands in 196Pb

open access: yesZeitschrift für Physik A Hadrons and Nuclei, 1996
High-spin states in 196Pb have been populated using the reaction 170Er(30Si,4n). The previously observed shears bands in this nucleus have been extended and some of their transitions have been reordered. They now form regular bands with band crossings. One of the bands splits into two pathways at high spin.
G. Baldsiefen   +9 more
openaire   +2 more sources

Strain localization and shear band propagation in ductile materials

open access: yesFrontiers in Materials, 2015
A model of a shear band as a zero-thickness nonlinear interface is proposed and tested using finite element simulations. An imperfection approach is used in this model where a shear band, that is assumed to lie in a ductile matrix material (obeying von ...
Nicola eBordignon   +3 more
doaj   +1 more source

Shear bands in granular flow through a mixing length model [PDF]

open access: yes, 2007
We discuss the advantages and results of using a mixing-length, compressible model to account for shear banding behaviour in granular flow. We formulate a general approach based on two function of the solid fraction to be determined.
A. Santomaso   +9 more
core   +1 more source

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