Effect of lattice distortion and grain size on the crack tip behaviour in Co-Cr-Cu-Fe-Ni under mode-I and mode-II loading

SK Singh, A Parashar - Engineering Fracture Mechanics, 2022 - Elsevier
In this article, molecular dynamics (MD) based simulations were performed to study the
crack tip behaviour in single and polycrystalline configurations of five elemental (Co-Cr-Cu …

Effects of intergranular hydride precipitation on the mechanical behavior of bicrystalline zirconium: a molecular dynamics-based study

S Patil, A Parashar - Mechanics of Materials, 2024 - Elsevier
This article investigated the impact of intergranular hydride precipitation on the mechanical
behavior of zirconium (Zr) bi-crystals using molecular dynamics (MD)-based simulations …

Mechanical behavior of zirconium hydride phases: insights from molecular dynamics based simulations

S Patil, A Parashar - Journal of Physics D: Applied Physics, 2024 - iopscience.iop.org
This article aims to study the mechanical behavior of zirconium hydride phases, including γ-
ZrH, δ-ZrH 1.5, and epsilon-ZrH 2. Atomistic simulations were performed to analyze the uni …

Atomistic insights to study the effects of nano-voids on shock compression behaviour of single crystal and bicrystal nickel

SK Singh, SS Sharma, A Chaurasia… - Materials Today …, 2023 - Elsevier
In this article, non-equilibrium molecular dynamics-based simulations were performed to
study the effect of shock wave propagation of single and bicrystal Ni. Embedded atom …

Molecular dynamics-based simulations to study crack tip interaction with symmetrical and asymmetrical tilt grain boundaries in Zr

D Singh, A Parashar, A Kedharnath, R Kapoor… - Journal of Nuclear …, 2019 - Elsevier
In this article, molecular dynamics based simulations were carried out to study the fracture
behaviour of bi-crystalline zirconium (Zr). Atomistic simulations were performed to study the …

Atomistic simulations to study point defect dynamics in bi-crystalline niobium

D Singh, P Sharma, A Parashar - Materials Chemistry and Physics, 2020 - Elsevier
Niobium is an important element in Zr–Nb alloy, which is widely employed for structural
material in many nuclear reactors. Superior mechanical properties and creep resistance in …

Deformation mechanism in the mechanical response of nano polycrystalline HCP Zr and Zr-2.5 Nb: An atomistic study

C Dai, N Ofori-Opoku - Materials Today Communications, 2022 - Elsevier
Deformation-induced dislocations in polycrystalline hexagonal close-packed (HCP) metals
have a great influence on the mechanical properties of materials. We use atomistic …

A comparison between∑ 3 asymmetrical tilt grain boundary energies in niobium obtained analytically and through molecular dynamics based simulations

D Singh, A Parashar - Materials Science Forum, 2020 - Trans Tech Publ
Niobium is an important constituent of Zr-Nb alloys being used widely in the nuclear
industries as fuel claddings and pressure tubes. In this article, MD based simulations are …

[PDF][PDF] Analysis of Irradiation Induced Defect Clusterization for Zr-1% Nb Alloy Using Atomistic Simulation

MR Basaadat, M Payami, S Sheykhi - Journal of Nuclear Research and …, 2023 - jonra.nstri.ir
Nuclear-grade zirconium alloys' properties are very similar to those of pure zirconium (Zr)
because in most cases they contain more than 95% of Zr atoms. They have extensive …