Irradiation Behavior of FBTR Mixed Carbide Fuel at Various Burn-ups
Copyright policy )Irradiation Behavior of FBTR Mixed Carbide Fuel at Various Burn-ups
AbstractThe Fast Breeder Test Reactor at Kalpakkam has completed nearly 25 years of operation and is now operating at 18 MWt capacity with 46 fuel subassemblies (FSA) in the core consisting of 27 Mark-I (70% PuC+30% UC), 13 Mark-II (55% PuC+45% UC) and 6 MOX (44% PuO2+56% UO2) and one test PFBR FSA. Post Irradiation Examination (PIE) campaigns on FSAs at different burnup levels has provided valuable information about the irradiation behavior of the carbide fuel. This paper gives a summary of the irradiation performance of the carbide fuel evaluated through some of the investigations such as neutron radiography, X-Radiography, gamma scanning, fission gas analysis and ceramography. Burnup of the carbide fuel could be enhanced from the initial design burnup limit of 50 GWd/t to 165 GWd/ through systematic PIE.
gamma scanning, Energy(all), burn-up, Irradiation behaviour, carbide fuel
gamma scanning, Energy(all), burn-up, Irradiation behaviour, carbide fuel
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