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Title: Design of radiation resistant metallic multilayers for advanced nuclear systems

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4883481· OSTI ID:22299885
; ; ; ; ;  [1]; ;  [2];  [3]
  1. Brookhaven National Laboratory, Upton, New York 11973 (United States)
  2. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
  3. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)

Helium implantation from transmutation reactions is a major cause of embrittlement and dimensional instability of structural components in nuclear energy systems. Development of novel materials with improved radiation resistance, which is of the utmost importance for progress in nuclear energy, requires guidelines to arrive at favorable parameters more efficiently. Here, we present a methodology that can be used for the design of radiation tolerant materials. We used synchrotron X-ray reflectivity to nondestructively study radiation effects at buried interfaces and measure swelling induced by He implantation in Cu/Nb multilayers. The results, supported by transmission electron microscopy, show a direct correlation between reduced swelling in nanoscale multilayers and increased interface area per unit volume, consistent with helium storage in Cu/Nb interfaces in forms that minimize dimensional changes. In addition, for Cu/Nb layers, a linear relationship is demonstrated between the measured depth-dependent swelling and implanted He density from simulations, making the reflectivity technique a powerful tool for heuristic material design.

OSTI ID:
22299885
Journal Information:
Applied Physics Letters, Vol. 104, Issue 24; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English

References (28)

Design of Radiation Tolerant Materials Via Interface Engineering journal September 2013
Neutron irradiation effects on copper at 327° C journal August 1980
Nucleation of helium bubbles on dislocations, dislocation networks and dislocations in grain boundaries during 600 MeV proton irradiation of aluminium journal August 1984
Void swelling and defect cluster formation in reactor-irradiated copper journal December 1989
Effect of grain boundary character on sink efficiency journal October 2012
The role of interface structure in controlling high helium concentrations journal June 2012
Defect structures and hardening mechanisms in high dose helium ion implanted Cu and Cu/Nb multilayer thin films journal May 2012
Helium transport, fate and management in nanostructured ferritic alloys: In situ helium implanter studies journal October 2011
Radiation damage tolerant nanomaterials journal November 2013
Nanostructured Cu/Nb multilayers subjected to helium ion-irradiation journal August 2007
Bubble formation at grain boundaries in helium implanted copper journal September 2004
Nuclear reactor materials at the atomic scale journal November 2009
A Transmission Electron Microscopy Study of the Effect of Interfaces on Bubble Formation in He-Implanted Cu-Nb Multilayers journal January 2012
Are Nanoporous Materials Radiation Resistant? journal June 2011
Removal of stacking-fault tetrahedra by twin boundaries in nanotwinned metals journal January 2013
Influence of interfaces on the storage of ion-implanted He in multilayered metallic composites journal December 2005
The effect of excess atomic volume on He bubble formation at fcc–bcc interfaces journal October 2010
A first-principles study of helium storage in oxides and at oxide–iron interfaces journal June 2012
Detection of helium bubble formation at fcc-bcc interfaces using neutron reflectometry journal July 2013
Modification of radiation damage microstructure by helium journal January 1983
Helium bubble nucleation at grain boundaries journal December 1983
Nucleation and growth of bubbles in He ion-implanted V/Ag multilayers journal February 2011
Effect of grain size on void formation during high-energy electron irradiation of austenitic stainless steel journal January 1974
Tunable helium bubble superlattice ordered by screw dislocation network journal August 2011
Stable Storage of Helium in Nanoscale Platelets at Semicoherent Interfaces journal February 2013
One-Dimensional Fast Migration of Vacancy Clusters in Metals journal November 2007
Recent Developments in Irradiation-Resistant Steels journal August 2008
A first-principles study of helium storage in oxides and at oxide--iron interfaces text January 2011

Cited By (2)

Helium Irradiation and Implantation Effects on the Structure of Amorphous Silicon Oxycarbide journal June 2017
Carbon Nanotubes Enhance the Radiation Resistance of bcc Iron Revealed by Atomistic Study journal January 2019