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Title: Emulation of reactor irradiation damage using ion beams

Journal Article · · Scripta Materialia
 [1];  [1];  [1];  [1];  [1];  [2];  [2];  [3];  [4]
  1. Univ. of Michigan, Ann Arbor, MI (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Idaho National Lab. (INL), Idaho Falls, ID (United States)
  4. TerraPower LLC, Bellevue, WA (United States)

The continued operation of existing light water nuclear reactors and the development of advanced nuclear reactor depend heavily on understanding how damage by radiation to levels degrades materials that serve as the structural components in reactor cores. The first high dose ion irradiation experiments on a ferritic-martensitic steel showing that ion irradiation closely emulates the full radiation damage microstructure created in-reactor are described. Ferritic-martensitic alloy HT9 (heat 84425) in the form of a hexagonal fuel bundle duct (ACO-3) accumulated 155 dpa at an average temperature of 443°C in the Fast Flux Test Facility (FFTF). Using invariance theory as a guide, irradiation of the same heat was conducted using self-ions (Fe++) at 5 MeV at a temperature of 460°C and to a dose of 188 displacements per atom. The void swelling was nearly identical between the two irradiation and the size and density of precipitates and loops following ion irradiation are within a factor of two of those for neutron irradiation. The level of agreement across all of the principal microstructure changes between ion and reactor irradiation establishes the capability of tailoring ion irradiation to emulate the reactor-irradiated microstructure.

Research Organization:
Idaho National Laboratory (INL), Idaho Falls, ID (United States)
Sponsoring Organization:
USDOE Office of Nuclear Energy (NE)
Grant/Contract Number:
AC07-05ID14517
OSTI ID:
1162203
Report Number(s):
INL/JOU-14-31064; PII: S1359646214002243; TRN: US1600472
Journal Information:
Scripta Materialia, Vol. 88, Issue C; ISSN 1359-6462
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 182 works
Citation information provided by
Web of Science

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Cited By (13)

Emulation of Radiation Damage of Structural Materials for Fission and Fusion Power Plants Using Heavy Ion Beams journal December 2019
Proton-irradiation-immune electronics implemented with two-dimensional charge-density-wave devices journal January 2019
Application of In Situ TEM to Investigate Irradiation Creep in Nanocrystalline Zirconium journal August 2019
The influence of Fe-ion irradiation on the microstructure of reduced activation ferritic-martensitic steel Eurofer 97 journal June 2019
Nano-beam and nano-target effects in ion radiation journal January 2018
Listening to Radiation Damage In Situ: Passive and Active Acoustic Techniques journal November 2019
Mechanical properties of 6H-SiC irradiated by neutron and MeV heavy ions: A nanoindentation and finite element method study journal January 2018
Challenges to the use of ion irradiation for emulating reactor irradiation journal April 2015
Radiation effects on two-dimensional materials: Radiation effects on two-dimensional materials journal September 2016
Direct Observation of Defect Range and Evolution in Ion-Irradiated Single Crystalline Ni and Ni Binary Alloys journal February 2016
Proton-Irradiation-Immune Electronics Implemented with Two-Dimensional Charge-Density-Wave Devices text January 2019
Novel Methods for Recording Stress-Strain Curves in Proton Irradiated Material journal March 2020
Dual Beam In Situ Radiation Studies of Nanocrystalline Cu journal August 2019

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