Results 11 to 20 of about 1,849,278 (326)
Mechanism-based strain gradient plasticity— I. Theory
Journal of the Mechanics and Physics of Solids, 1999 A mechanism-based theory of strain gradient plasticity (MSG) is proposed based on a multiscale framework linking the microscale notion of statistically stored and geometrically necessary dislocations to the mesoscale notion of plastic strain and strain ...
Huajian Gao +3 more
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Crack tip fields and fracture resistance parameters based on strain gradient plasticity [PDF]
International Journal of Solids and Structures, 2020 The crack tip mechanics of strain gradient plasticity solids is investigated analytically and numerically. A first-order mechanism-based strain gradient (MSG) plasticity theory based on Taylor's dislocation model is adopted and implemented in the ...
V. Shlyannikov +3 more
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Atomistic simulations of plasticity heterogeneity in gradient nano-grained FCC metals
Materials & Design, 2022 Gradient nano-grained (GNG) metals are an emerging class of heterogeneous structured materials with extraordinary mechanistic performances and unnatural plasticity mechanisms, which are unachievable in traditional homogeneous nanocrystalline metals. Here,
Like Xu +3 more
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Natural-gradient learning for spiking neurons
eLife, 2022 In many normative theories of synaptic plasticity, weight updates implicitly depend on the chosen parametrization of the weights. This problem relates, for example, to neuronal morphology: synapses which are functionally equivalent in terms of their ...
Elena Kreutzer +2 more
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A Comparison of Plasticity Regularization Approaches for Geodynamic Modeling
Geochemistry, Geophysics, Geosystems, 2023 The emergence, geometry and activation of faults are intrinsically linked to frictional rheology. The latter is thus a central element in geodynamic simulations which aim at modeling the generation and evolution of fault zones and plate boundaries ...
Thibault Duretz +3 more
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Material length scale of strain gradient plasticity: A physical interpretation
International Journal of Plasticity, 2017 Dabiao Liu, D. Dunstan
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Archives of Mechanics, 2019 In crystal plasticity under prescribed deformation, the incremental material response is potentially non-unique owing to slip system redundancy for most of the crystalline structures.
J.L. Dequiedt
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Burgers tensor flow accounting for cold work and thermal annealing [PDF]
Theoretical and Applied MechanicsThis paper proposes a kinematical-thermal-based constitutive law for the evolution of Burgers tensor during cold work and upon subsequent thermal annealing of a polycrystalline. The proposal is based on the paper by Anand et al. [L. Anand., M. E. Gurtin.,
Borokinni A.S. +4 more
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Dislocation plasticity in thin metal films [PDF]
, 2002 This article describes the current level of understanding of dislocation plasticity in thin films and small structures in which the film or structure dimension plays an important role. Experimental observations of the deformation behavior of thin films,
Arzt, E. +3 more
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A Review on Strain Gradient Plasticity Approaches in Simulation of Manufacturing Processes
Journal of Manufacturing and Materials Processing, 2020 Predicting the performances of a manufactured part is extremely important, especially for industries in which there is almost no room for uncertainties, such as aeronautical or automotive.
R. Russo +3 more
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