Title: Primary radiation damage: A review of current understanding and models

Journal Article · · Journal of Nuclear Materials
 [1]; ORCiD logo [2]; ORCiD logo [1]; ORCiD logo [1];  [3];  [4]; ORCiD logo [5];  [6]; ORCiD logo [7]; ORCiD logo [8];  [9];  [10];  [11]
  1. Univ. of Helsinki (Finland). Department of Physics
  2. Univ. of Tennessee, Knoxville, TN (United States). Department of Nuclear Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  3. Univ. of Illinois, Urbana, IL (United States). Department of Materials Science & Engineering
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  5. Japan Atomic Energy Agency, Center for Computational Science and e-Systems, Tokai, Ibaraki (Japan)
  6. SCK-CEN, Institute for Nuclear Materials Science, Mol (Belgium)
  7. Université de Strasbourg, CNRS (France). Institut de Physique et Chimie des Matériaux
  8. Univ. of Tennessee, Knoxville, TN (United States). Department of Materials Science and Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
  9. Université Paris-Saclay, Gif-sur-Yvette (France). DEN-Département des Matériaux pour le Nucléaire, CEA
  10. UK Atomic Energy Authority, Abingdon, Oxfordshire (United Kingdom). Culham Centre for Fusion Energy
  11. Université Paris-Saclay, Gif-sur-Yvette (France). DEN/DMN/SRMA/LA2M-LRC CARMEN, CEA

Scientific understanding of any kind of radiation effects starts from the primary damage, i.e. the defects that are produced right after an initial atomic displacement event initiated by a high-energy particle. In this Review, we consider the extensive experimental and computer simulation studies that have been performed over the past several decades on what the nature of the primary damage is. We review both the production of crystallographic or topological defects in materials as well as radiation mixing, i.e. the process where atoms in perfect crystallographic positions exchange positions with other ones in non-defective positions. All classes of materials except biological materials are considered. We also consider the recent effort to provide alternatives to the current international standard for quantifying this energetic particle damage, the Norgett-Robinson-Torrens displacements per atom (NRT-dpa) model for metals. We present in detail new complementary displacement production estimators (“athermal recombination corrected dpa”, arc-dpa) and atomic mixing (“replacements per atom”, rpa) functions that extend the NRT-dpa, and discuss their advantages and limitations.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Science (SC), Fusion Energy Sciences (FES) (SC-24)
Grant/Contract Number:
AC05-00OR22725; FG02-05ER46217
OSTI ID:
1482433
Journal Information:
Journal of Nuclear Materials, Journal Name: Journal of Nuclear Materials Journal Issue: C Vol. 512; ISSN 0022-3115
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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Initial Neutronics Investigation of a Liquid-Metal Plasma-Facing Fusion Nuclear Science Facility journal May 2019
Swift heavy ion tracks in alkali tantalate crystals: a combined experimental and computational study journal December 2019
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Radiation damage in tungsten from cascade overlap with voids and vacancy clusters journal July 2019
Controlled irradiation hardening of tungsten by cyclic recrystallization journal May 2019
Machine-learning interatomic potential for radiation damage and defects in tungsten journal October 2019
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Atomic-scale modeling of the thermodynamic and kinetic properties of dilute alloys driven by forced atomic relocations journal December 2019
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