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Towards data-driven constitutive modelling for granular materials via micromechanics-informed deep learning

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 144 ()

The analytical description of path-dependent elastic-plastic responses of a granular system is highly complicated because of continuously evolving mic......

Experimental and modeling investigation on the viscoelastic-viscoplastic deformation of polyamide 12 printed by Multi Jet Fusion

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 143 ()

The viscoelastic-viscoplastic deformation of Multi Jet Fusion-printed polyamide 12 (MJF PA12) was investigated with experimental and numerical approac......

The predicted rate-dependent deformation behaviour and multistage strain hardening in a model heterostructured body-centered cubic high entropy alloy

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 145 ()

Heterostructured high-entropy alloys (HEAs) exhibit a good combination of strength and ductility. However, the deformation mechanisms and related mech......

Strain partitioning enables excellent tensile ductility in precipitated heterogeneous high-entropy alloys with gigapascal yield strength

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 144 ()

High entropy alloys (HEAs) with grain-scale heterogeneous structure and coherent precipitates have shown gigapascal strength and considerable ductilit......

Multiscale modeling of discontinuous dynamic recrystallization during hot working by coupling multilevel cellular automaton and finite element method

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 145 ()

Discontinuous dynamic recrystallization (dDRX) is considered an effective way to obtain fine grain microstructures during hot working of materials wit......

Micromechanical modeling of the multi-axial deformation behavior in double network hydrogels

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 137 ()

The Mullins-type damage behaviors in double network hydrogels have attracted a broad research interest in recent years. However, most of current works......

On energetic and dissipative gradient effects within higher-order strain gradient plasticity: Size effect, passivation effect, and Bauschinger effect

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 141 ()

The size effect, the passivation effect, and the plastic behavior under non-proportional loading in the context of bending and tension of thin foils, ......

Size-dependent plasticity of hetero-structured laminates: A constitutive model considering deformation heterogeneities

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 145 ()

Deformation mechanism-based constitutive modeling can serve as a flexible tool to optimize the microstructure of hetero-structured metals for achievin......

Study of dislocation-twin boundary interaction mechanisms in plastic deformation of TWIP steel by discrete dislocation dynamics and dislocation density-based modeling

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 145 ()

Deformation twins contribute to the unique deformation behaviors and characteristics in the plastic deformation of TWIP steels since twin boundary (TB......

Spectral phase-field model of deformation twinning and plastic deformation

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 143 ()

Deformation twinning is critical to understanding and predicting the heterogenous deformation of many important material systems, e.g., hexagonal meta......

A micromechanical model for heterogeneous nanograined metals with shape effect of inclusions and geometrically necessary dislocation pileups at the domain boundary

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 144 ()

Heterogeneous nanostructured materials, including metals, alloys, and composites, have attracted significant scientific interest because of their outs......

Phase field model for self-climb of prismatic dislocation loops by vacancy pipe diffusion

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 141 ()

In this paper, we present a phase field model for the self-climb motion of prismatic dislocation loops via vacancy pipe diffusion driven by elastic in......

Temperature-dependent reversed fracture behavior of multilayered TiBw/Ti-Ti(Al) composites

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 141 ()

Engineering strong and ductile structural materials has been an enduring pursuit over the past few decades. Here we proposed a heterogeneous laminated......

A thermodynamics-based hyperelastic-plastic coupled model unified for unbonded and bonded soils

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 137 ()

A hyperelastic-plastic coupled constitutive model unified for bonded and unbonded soils is developed in this paper based on thermodynamics. An elastic......

New ductile fracture model for fracture prediction ranging from negative to high stress triaxiality

期刊: INTERNATIONAL JOURNAL OF PLASTICITY, 2021; 145 ()

In this study, the ductile fracture of the alloy metal is analyzed. First, the key factors affecting the initiation of ductile fracture are investigat......

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