Abstract
Uranium mononitride is a candidate fuel for nuclear reactors for applications in space because of its high thermal conductivity, high fissile atom density, and dimensional stability at high temperature. High purity UN ceramics fabricated from nitride powders by uniaxial or isostatic pressing and sintered in nitrogen at temperatures ⩾2000°C, were irradiated at fuel temperatures to 1500°C and 2 w/c burnup. Results indicate no chemical reaction zone between fuel and metallic cladding, fuel swelling less than 2.8% Δ/V per atomic percent burnup, and maximum fission gas release of 7% of that generated.
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© 1971 Plenum Press, New York
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Tennery, V.J., Washburn, T.N., Scott, J.L. (1971). Fabrication and Irradiation Behavior of Uranium Mononitride. In: Kriegel, W.W., Palmour, H. (eds) Ceramics in Severe Environments. Materials Science Research, vol 5. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3141-4_41
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DOI: https://doi.org/10.1007/978-1-4684-3141-4_41
Publisher Name: Springer, Boston, MA
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