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2018--Zhou-X-W-Foster-M-E-Sills-R-B--Fe-Ni-Cr

Citation: X.W. Zhou, M.E. Foster, and R.B. Sills (2018), "An Fe-Ni-Cr embedded atom method potential for austenitic and ferritic systems", Journal of Computational Chemistry, 39(29), 2420-2431. DOI: 10.1002/jcc.25573.
Abstract: Fe‐Ni‐Cr stainless‐steels are important structural materials because of their superior strength and corrosion resistance. Atomistic studies of mechanical properties of stainless‐steels, however, have been limited by the lack of high‐fidelity interatomic potentials. Here using density functional theory as a guide, we have developed a new Fe‐Ni‐Cr embedded atom method potential. We demonstrate that our potential enables stable molecular dynamics simulations of stainless‐steel alloys at high temperatures, accurately reproduces the stacking fault energy-known to strongly influence the mode of plastic deformation (e.g., twinning vs. dislocation glide vs. cross‐slip)-of these alloys over a range of compositions, and gives reasonable elastic constants, energies, and volumes for various compositions. The latter are pertinent for determining short‐range order and solute strengthening effects. Our results suggest that our potential is suitable for studying mechanical properties of austenitic and ferritic stainless‐steels which have vast implementation in the scientific and industrial communities. Published 2018. This article is a U.S. Government work and is in the public domain in the USA.

LAMMPS pair_style eam/alloy (2018--Zhou-X-W--Fe-Ni-Cr--LAMMPS--ipr1)
See Computed Properties
Notes: This file was provided by Xiaowang Zhou (Sandia National Laboratories) on 1 January 2019 and posted with his permission. The function tabulations are identical to 2018--Zhou-X-W--Fe-Ni-Cr--LAMMPS--ipr2 below, only the file format is different.
File(s):
See Computed Properties
Notes: This file was provided by Xiaowang Zhou (Sandia National Laboratories) on 1 January 2019 and posted with his permission. The function tabulations are identical to 2018--Zhou-X-W--Fe-Ni-Cr--LAMMPS--ipr1 above, only the file format is different.
File(s):
Date Created: October 5, 2010 | Last updated: April 26, 2019