On failure mode transition: a phase field assisted non-equilibrium thermodynamics model for ductile and brittle fracture at finite strain

A Bijaya, S Roy Chowdhury - Meccanica, 2021 - Springer
A non-equilibrium thermodynamics model of viscoplasticity coupled with damage is
presented. Kee** in view the experimentally observed failure mode transitions, eg brittle …

Heat flow influence on the Cauchy stress tensor in a thermal wave

AY Beliaev, LA Komar, AL Svistkov - European Journal of Mechanics-A …, 2023 - Elsevier
Rational thermodynamics with relaxing heat fluxes is used in this work to obtain the
constitutive equations of thermoelasticity. It is found that it is possible to formulate the …

Large deformation plasticity without : a basic Riemannian geometric model for metals

A Pathrikar, D Roy - Continuum Mechanics and Thermodynamics, 2025 - Springer
We propose a continuum viscoplasticity model for metals where the kinematic aspects and
those pertaining to microstructural reorganizations are intrinsically described through …

Impact energy release characteristics and penetration behavior of high-density VNbTa medium-entropy alloys

M Wang, L Xu, Z Wang, H Zheng… - Mechanics of …, 2025 - Taylor & Francis
This study systematically investigated the dynamic mechanical properties and penetration-
damage behavior of high-density VNbTa medium-entropy alloys under dynamic loading …

Dynamic Compression Behavior Of AISI 4340 Steel Under Various Strain Rates And Temperatures

H Hafızoğlu - International Journal of Engineering Research and …, 2024 - dergipark.org.tr
In this study, dynamic compression behavior of AISI 4340 steel alloy was investigated with
split-Hopkinson and Taylor impact tests and numerical studies. Dynamic compression tests …

Thermoviscoplasticity in body-centered cubic metals: A two-temperature model with grain boundary evolution

G Kar, D Roy, JN Reddy - Journal of Applied …, 2020 - asmedigitalcollection.asme.org
In this work, we develop a thermo-viscoplasticity model for body-centered cubic (BCC)
metals based on a two-temperature theory of nonequilibrium thermodynamics. Modeling the …

Two-temperature thermodynamics and a viscoplasticity model for FCC metals with grain boundary effect

G Kar, SB Tiwari, SR Gundi, D Roy - Mechanics of Materials, 2023 - Elsevier
A non-equilibrium thermodynamic route is pursued to model viscoplasticity, including the
evolving grain boundary, in face-centered cubic (FCC) metals. The thermodynamic …