We review He ion induced radiation damage in several metallic multilayer systems, including Cu/V, Cu/Mo, Fe/W, and Al/Nb up to a peak dose of several displacements per atom (dpa). Size dependent radiation damage is observed in all systems. Nanolayer composites can store a very high concentration of He. Layer interfaces promote the recombination of opposite type of point defects and hence reduce the accumulative defect density, swelling, and lattice distortion. Interfaces also alleviate radiation hardening substantially. The chemical stability of interfaces is an important issue when considering the design of radiation tolerant nanolayer composites. Immiscible and certain miscible systems possess superior stability against He ion irradiation. Challenge and future directions are briefly discussed.
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October 2012
Research-Article
Design of Radiation Tolerant Nanostructured Metallic Multilayers
X. Zhang,
X. Zhang
1
Department of Mechanical Engineering,
Materials Science and Engineering Program,
e-mail: zhangx@tamu.edu
Materials Science and Engineering Program,
Texas A&M University
,College Station
, TX
77843-3123e-mail: zhangx@tamu.edu
1Corresponding author.
Search for other works by this author on:
Y.-Q. Wang,
Y.-Q. Wang
Materials Physics and Application Division,
Los Alamos National Laboratory,
Los Alamos National Laboratory,
Los Alamos
, NM
87545
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L. Shao,
L. Shao
Department of Nuclear Engineering,
Texas A&M University
,College Station
, TX
77843-3128
Search for other works by this author on:
H. Wang
H. Wang
Department of Electrical Engineering,
Texas A&M University
,College Station
, TX
77843-3128
Search for other works by this author on:
X. Zhang
Department of Mechanical Engineering,
Materials Science and Engineering Program,
e-mail: zhangx@tamu.edu
Materials Science and Engineering Program,
Texas A&M University
,College Station
, TX
77843-3123e-mail: zhangx@tamu.edu
Y.-Q. Wang
Materials Physics and Application Division,
Los Alamos National Laboratory,
Los Alamos National Laboratory,
Los Alamos
, NM
87545
L. Shao
Department of Nuclear Engineering,
Texas A&M University
,College Station
, TX
77843-3128
H. Wang
Department of Electrical Engineering,
Texas A&M University
,College Station
, TX
77843-3128
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received December 9, 2011; final manuscript received April 23, 2012; published online August 24, 2012. Assoc. Editor: Hanchen Huang.
J. Eng. Mater. Technol. Oct 2012, 134(4): 041010 (9 pages)
Published Online: August 24, 2012
Article history
Received:
December 9, 2011
Revision Received:
April 23, 2012
Citation
Zhang, X., Fu, E. G., Li, N., Misra, A., Wang, Y., Shao, L., and Wang, H. (August 24, 2012). "Design of Radiation Tolerant Nanostructured Metallic Multilayers." ASME. J. Eng. Mater. Technol. October 2012; 134(4): 041010. https://doi.org/10.1115/1.4006979
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