• Corpus ID: 248862960

Atomistic Investigation of Elementary Dislocation Properties Influencing Mechanical Behaviour of $Cr_{15}Fe_{46}Mn_{17}Ni_{22}$ alloy and $Cr_{20}Fe_{70}Ni_{10}$ alloy

@inproceedings{Daramola2022AtomisticIO,
  title={Atomistic Investigation of Elementary Dislocation Properties Influencing Mechanical Behaviour of \$Cr\_\{15\}Fe\_\{46\}Mn\_\{17\}Ni\_\{22\}\$ alloy and \$Cr\_\{20\}Fe\_\{70\}Ni\_\{10\}\$ alloy},
  author={Ayobami Daramola and Anna Fraczkiewicz and Giovanni Bonny and Akiyoshi Nomoto and Gilles Adjanor and Christophe Domain and Ghiath Monnet},
  year={2022}
}
In this work, molecular dynamics (MD) simulations were used to investigate elementary dislocation properties in a Co-free high entropy (HEA) model alloy (Cr 15 Fe 46 Mn 17 Ni 22 at. %) in comparison with a model alloy representative of Austenitic Stainless Steel (ASS) (Cr 20 Fe 70 Ni 10 at. %). Recently developed embedded-atom method (EAM) potentials were used to describe the atomic interactions in the alloys. Molecular Statics (MS) calculations were used to study the dislocation properties in… 

References

SHOWING 1-10 OF 89 REFERENCES
Atomistic simulations of dislocation mobility in Al, Ni and Al/Mg alloys
Dislocation velocities and mobilities are studied using molecular dynamics simulations for edge and screw dislocations in pure aluminium and nickel, and edge dislocations in Al–2.5%Mg and Al–5.0%Mg…
Temperature and composition dependent screw dislocation mobility in austenitic stainless steels from large-scale molecular dynamics
Extensive molecular dynamics simulations are performed to determine screw dislocation mobility in austenitic Fe 0.7 Ni x Cr 0.3-x stainless steels as a function of temperature ranging from 100 to…
Simulations of dislocation mobility in magnesium from first principles
Interatomic potential to study plasticity in stainless steels: the FeNiCr model alloy
Austenitic stainless steels are commonly used materials for in-core components of nuclear light water reactors. In service, such components are exposed to harsh conditions: intense neutron…
Size effect, critical resolved shear stress, stacking fault energy, and solid solution strengthening in the CrMnFeCoNi high-entropy alloy
TLDR
Dislocations are smoothly curved without any preferred line orientation indicating no significant anisotropy in mobilities of edge and screw segments, and the shear-modulus-normalized CRSS of the HEA is not exceptionally high compared to those of certain concentrated binary FCC solid solutions.
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