Length scale effects of micro- and meso-scale tensile tests of unirradiated and irradiated Zircaloy-4 cladding
Journal Article
·
· Journal of Nuclear Materials
- University of California, Berkeley, CA (United States)
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- University of California, Berkeley, CA (United States); Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- NCRN - Department of Materials Engineering, Be'er-Sheva (Israel)
Zircaloy-4 is an essential material for cladding structures within fission-based reactors. To explore the changes in properties measured on differing length scales, FIB-machined micro-scale tensile tests were performed on both irradiated and control groups of Zircaloy-4. This was correlated with tensile testing on femtosecond laser-machined meso-scale specimens. Pronounced size effects were found when varying specimen geometry. Increases in tensile geometry size were associated with a reduction in measured yield stress for both irradiated and unirradiated samples. Here, meso-scale testing found strength and strain values similar to that of bulk-scale testing.
- Research Organization:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- Grant/Contract Number:
- AC07-05ID14517
- OSTI ID:
- 2503497
- Report Number(s):
- INL/JOU--24-79634-Rev000
- Journal Information:
- Journal of Nuclear Materials, Journal Name: Journal of Nuclear Materials Vol. 604; ISSN 0022-3115
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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