The Uranium-Carbon-Nitrogen System

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概要

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• In the previous work(1) dealing with the equilibrium phase relations in the ternary system U-C-N, a qualitative phase diagram was constructed from thermodynamical calculations and experiments. In the thermodynamical calculations, it was assumed that the free energy of formation of the solid solution between UC and UN, i.e., UC1-x ?? N, is the sum of (1-x)ΔG0(UC), xΔG0(UN) and a term for the entropy of mixing RT{xlogx+(1-x)log(1-x)}, neglecting the heat of mixing.<BR>The purpose of the present work is to consider the same U-C-N system statistico-thermodynami-cally, and to evaluate the heat of mixing from the results of several experiments. A value of about -1.3kcal/mole was obtained as the heat of mixing corresponding to {2φ(C_N)-φ(C_C)-φ(N_N)}N, where φ(C_N), φ(C_C) and φ(N_N) are the bond energies of C_N, C_C and N_N respectively.

• 一般社団法人 日本原子力学会の論文

著者

• Katsura Masahiro

  Department Of Nuclear Engineering Osaka University

• SANO Tadao

  Department of Nuclear Engineering, Faculty of Engineering, Osaka University

• KATSURA Masahiro

  Department of Nuclear Engineering, Faculty of Engineering, Osaka University

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• Enhancement of Hydrogen Evolution Yield from Water Dispersing Nanoparticles Irradiated with Gamma-Ray
• Change of Composition of UC1-xNx in Nitrogen Gas
• The Uranium-Carbon-Nitrogen System
• The Uranium-Nitrogen System

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