Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Shor, Carmel"'
Publikováno v:
Phys. Rev. E 99, 011001 (2019)
In thermal glasses at temperatures sufficiently lower than the glass transition, the constituent particles are trapped in their cages for sufficiently long time such that their {\em time-averaged positions} can be determined before diffusion and stru
Externí odkaz:
http://arxiv.org/abs/1808.00026
Publikováno v:
Phys. Rev. E 95, 031001 (2017)
In recent work it was clarified that amorphous solids under strain control do not possess nonlinear elastic theory in the sense that the shear modulus exists but nonlinear moduli exhibit sample to sample fluctuations that grow without bound with the
Externí odkaz:
http://arxiv.org/abs/1701.00966
Publikováno v:
Phys. Rev. E 93, 063003 (2016)
It is known by now that amorphous solids at zero temperature do not possess a nonlinear elasticity theory: besides the shear modulus which exists, all the higher order coefficients do not exist in the thermodynamic limit. Here we show that the same p
Externí odkaz:
http://arxiv.org/abs/1603.05066
Publikováno v:
Phys. Rev. Lett. 116, 085502 (2016)
Quasi-static strain-controlled measurements of stress vs strain curves in macroscopic amorphous solids result in a nonlinear looking curve that ends up either in mechanical collapse or in a steady-state with fluctuations around a mean stress that rem
Externí odkaz:
http://arxiv.org/abs/1512.03244
The yield of amorphous solids like metallic glasses under external stress was discussed asserting that it is related to the glass transition by increasing temperature, or that it can be understood using statistical theories of various sorts. Here we
Externí odkaz:
http://arxiv.org/abs/1504.05336
In this paper we extend the recent theory of shear-localization in 2-dimensional amorphous solids to 3-D. In 2-D the fundamental instability of shear-localization is related to the appearance of a line of displacement quadrupoles, that makes an angle
Externí odkaz:
http://arxiv.org/abs/1307.2760
Publikováno v:
Phys. Rev. E 88, 022310 (2013)
It is well known experimentally that well-quenched amorphous solids exhibit a plastic instability in the form of a catastrophic shear localization at a well defined value of the external strain. The instability may develop to a shear-band that in som
Externí odkaz:
http://arxiv.org/abs/1304.6568
One of the major theoretical riddles in shear banding instabilities is the angle that the shear band chooses spontaneously with respect to the principal stress axis. Here we employ our recent atomistic theory to compute analytically the angle in term
Externí odkaz:
http://arxiv.org/abs/1304.4009
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