Abstract:A Zr + 2. 0 at.% Cr + 0. 16 at.% Fe alloy (Zr-Cr) is being evaluated as nuclear fuel cladding. Zr-Cr alloy-clad fuel rods are being irradiated in the Consumers Big Rock Point\reactor to a target exposure of 15, 000 to 20,000 MWd/T. The rate of fuel burnup has been approximately •aoo MWd/TU (average) per month of full-power operation. The Zr-Cr alloy-clad fuel rods have accumulated a totnl of approximately 6 000 MWd/TU avP.rage exposure. as of January 31, 1968. This corresponds to about 5100 hours of high-tem;J… Show more
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