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Title: Influence of chemical disorder on energy dissipation and defect evolution in concentrated solid solution alloys

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms9736· OSTI ID:1241463
 [1];  [1];  [2];  [3];  [1];  [4];  [3];  [1];  [1];  [1];  [5];  [5]; ORCiD logo [6]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Div.
  2. Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering
  3. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Nuclear Engineering and Radiological Sciences
  4. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  6. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Div.; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Materials Science and Engineering

A long-standing objective in materials research is to understand how energy is dissipated in both the electronic and atomic subsystems in irradiated materials, and how related non-equilibrium processes may affect defect dynamics and microstructure evolution. Here we show that alloy complexity in concentrated solid solution alloys having both an increasing number of principal elements and altered concentrations of specific elements can lead to substantial reduction in the electron mean free path and thermal conductivity, which has a significant impact on energy dissipation and consequentially on defect evolution during ion irradiation. Enhanced radiation resistance with increasing complexity from pure nickel to binary and to more complex quaternary solid solutions is observed under ion irradiation up to an average damage level of 1 displacement per atom. Understanding how materials properties can be tailored by alloy complexity and their influence on defect dynamics may pave the way for new principles for the design of radiation tolerant structural alloys.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Energy Dissipation to Defect Evolution (EDDE); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Energy Frontier Research Center (United States). Energy Dissipation to Defect Evolution (EDDE)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1241463
Journal Information:
Nature Communications, Vol. 6; Related Information: EDDE partners with Oak Ridge National Laboratory (lead); Lawrence Livermore National Laboratory; University of Michigan; University of Tennessee; University of Wisconsin; University of Wyoming; Virginia Tech; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 381 works
Citation information provided by
Web of Science

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High-Entropy Alloys: Potential Candidates for High-Temperature Applications - An Overview journal October 2017
Revealing the Microstates of Body-Centered-Cubic (BCC) Equiatomic High Entropy Alloys journal June 2017
Unique Challenges for Modeling Defect Dynamics in Concentrated Solid-Solution Alloys journal July 2017
Fabrication of ODS Austenitic Steels and CoCrFeNi High-Entropy Alloys by Spark Plasma Sintering for Nuclear Energy Applications journal May 2019
High-Throughput Nanomechanical Screening of Phase-Specific and Temperature-Dependent Hardness in AlxFeCrNiMn High-Entropy Alloys journal August 2019
Science and technology in high-entropy alloys journal January 2018
Enhancing radiation tolerance by controlling defect mobility and migration pathways in multicomponent single-phase alloys journal December 2016
High pressure synthesis of a hexagonal close-packed phase of the high-entropy alloy CrMnFeCoNi journal May 2017
Superplastic nanoscale pore shaping by ion irradiation journal February 2018
Atomic and electronic basis for the serrations of refractory high-entropy alloys journal June 2017
Phonon broadening in high entropy alloys journal September 2017
Temperature-dependent phonon spectra of magnetic random solid solutions journal February 2018
Uncovering electron scattering mechanisms in NiFeCoCrMn derived concentrated solid solution and high entropy alloys journal January 2019
Quantum critical behavior in the asymptotic limit of high disorder in the medium entropy alloy NiCoCr0.8 journal June 2017
Enhanced strength and ductility in a high-entropy alloy via ordered oxygen complexes journal November 2018
Computationally-driven engineering of sublattice ordering in a hexagonal AlHfScTiZr high entropy alloy journal May 2017
The Exceptional Strong Face-centered Cubic Phase and Semi-coherent Phase Boundary in a Eutectic Dual-phase High Entropy Alloy AlCoCrFeNi journal October 2018
A strategy of designing high-entropy alloys with high-temperature shape memory effect journal September 2019
Local segregation versus irradiation effects in high-entropy alloys: Steady-state conditions in a driven system journal September 2017
Effect of atomic order/disorder on Cr segregation in Ni-Fe alloys journal September 2018
Melts of CrCoNi-based high-entropy alloys: Atomic diffusion and electronic/atomic structure from ab initio simulation journal September 2018
Phase transformations of Al-bearing high-entropy alloys Al x CoCrFeNi (x = 0, 0.1, 0.3, 0.75, 1.5) at high pressure journal March 2019
Electronic structure and atomic level complexity in Al 0.5 TiZrPdCuNi high-entropy alloy in glass phase journal September 2019
Effect of interstitial carbon on the evolution of early-stage irradiation damage in equi-atomic FeMnNiCoCr high-entropy alloys journal January 2020
Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys journal August 2018
Effect of irradiation on microstructure and hardening of Cr–Fe–Ni–Mn high-entropy alloy and its strengthened version journal December 2019
Influence of compositional complexity on interdiffusion in Ni-containing concentrated solid-solution alloys journal March 2018
Chemical complexity induced local structural distortion in NiCoFeMnCr high-entropy alloy journal June 2018
Enhanced void swelling in NiCoFeCrPd high-entropy alloy by indentation-induced dislocations journal August 2018
Local structure of Ni 80 X 20 (X: Cr, Mn, Pd) solid-solution alloys and its response to ion irradiation journal November 2019
Phase composition and microhardness of the as-cast and long-time annealed Co x Ni 2−x CrFeTi multi-component alloys journal February 2019
Hidden Mn magnetic-moment disorder and its influence on the physical properties of medium-entropy NiCoMn solid solution alloys journal January 2019
Atomistic simulation of defect-dislocation interactions in concentrated solid-solution alloys journal October 2019
(Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )C high‐entropy ceramics with low thermal conductivity journal May 2018
First‐principles study, fabrication, and characterization of (Hf 0.2 Zr 0.2 Ta 0.2 Nb 0.2 Ti 0.2 )C high‐entropy ceramic journal January 2019
Outstanding radiation resistance of tungsten-based high-entropy alloys journal March 2019
Modeling the structure and thermodynamics of high-entropy alloys journal July 2018
Model interatomic potentials and lattice strain in a high-entropy alloy journal August 2018
Irradiation responses and defect behavior of single-phase concentrated solid solution alloys journal September 2018
Electronic transport and phonon properties of maximally disordered alloys: From binaries to high-entropy alloys journal September 2018
High-entropy functional materials journal September 2018
Radiation stability of nanocrystalline single-phase multicomponent alloys journal February 2019
An in situ study on Kr ion–irradiated crystalline Cu/amorphous-CuNb nanolaminates journal March 2019
Phase Evolution and Microstructure Analysis of CoCrFeNiMo High-Entropy Alloy for Electro-Spark-Deposited Coatings for Geothermal Environment journal June 2019
Lattice Distortion and Phase Stability of Pd-Doped NiCoFeCr Solid-Solution Alloys journal November 2018
Hot Deformation Behavior of As-Cast and Homogenized Al0.5CoCrFeNi High Entropy Alloys journal November 2016
Intermetallic Phases in High-Entropy Alloys: Statistical Analysis of their Prevalence and Structural Inheritance journal February 2019
A Review of Multi-Scale Computational Modeling Tools for Predicting Structures and Properties of Multi-Principal Element Alloys journal February 2019
Delayed damage accumulation by athermal suppression of defect production in concentrated solid solution alloys text January 2017
Superplastic nanoscale pore shaping by ion irradiation text January 2018
Uncovering electron scattering mechanisms in NiFeCoCrMn derived concentrated solid solution and high entropy alloys text January 2019
Influence of compositional complexity on interdiffusion in Ni-containing concentrated solid-solution alloys [Supplemental Data] dataset March 2018
Delayed damage accumulation by athermal suppression of defect production in concentrated solid solution alloys [Supplementary Data] preprint December 2017
Delayed damage accumulation by athermal suppression of defect production in concentrated solid solution alloys journal December 2017
Superplastic nanoscale pore shaping by ion irradiation text January 2018
Hidden Mn magnetic-moment disorder and its influence on the physical properties of medium-entropy NiCoMn solid solution alloys text January 2019
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Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys text January 2018
Uncovering electron scattering mechanisms in NiFeCoCrMn derived concentrated solid solution and high entropy alloys text January 2018
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