Reactivity and compatibility studies were carried out on some vanadium base alloys with ceramic fuel materials. The vanadium base alloys studied were V-20%Ti, V-15%Ti-7.5%Cr and V-5%Cr. The fuel materials with which these alloys were put in contact were UC, UN, (U, Ce)N and (U, Ce)(C, N). Experiments were carried out at 700° and 900°C for both 500 and 1, 000hr. Within the conditions studied, V-5%Cr showed good compatibility with all of these fuel materials, At 700°C, no detectable interaction was observed between any of the alloy-fuel combinations.
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