Abstracts and Available Papers Presented at the
2000 International RERTR Meeting
RESEARCH REACTOR FUEL DEVELOPMENT AT AECL
D.F. Sears and N. Wang
Atomic Energy of Canada Limited
(AECL)
Fuel Development Branch
Chalk River Laboratories
Chalk River, Ontario K0J 1J0
Canada
ABSTRACT
This paper reviews recent U3Si2 and U-Mo dispersion fuel development activities at AECL. The scope of work includes fabrication development, irradiation testing, post-irradiation examination and performance qualification. U-Mo alloys with a variety of compositions, ranging from 6 to 10 wt % Mo, have been fabricated with high purity and homogeneity in the product. The alloys and powders were characterized using optical and scanning electron microscopy, chemical analysis, and X-ray diffraction and neutron diffraction analysis. U-Mo powder samples have been supplied to the Argonne National Laboratory for irradiation testing in the ATR reactor. Low-enriched uranium fuel elements containing U-7 wt % Mo and U-10 wt % Mo with loadings up to 4.5 gU/cm3 have been fabricated at CRL for irradiation testing in the NRU reactor. The U-Mo fuel elements will be tested in NRU at linear powers up to 145 kW/m, and to 85 atom % 235U burnup.
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Contact:
Mr.
David F. Sears
Section Head
Research Reactor Development
Atomic Energy of Canada
Limited
Chalk River Labs
Chalk River, Ontario
Canada KOJ IJO
Phone: (613) 584-3311
Fax: (613)
584-8158
E-mail: SearsD@aecl.ca
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