Self-Diffusion of Carbon in Uranium Monocarbide

Yukiharu MAKINO; Kazumi ASAHI; Pongun SON; Masanobu MIYAKE; Tadao SANO

doi:10.3327/jnst.9.569

Yukiharu MAKINO, Kazumi ASAHI, Pongun SON, Masanobu MIYAKE, Tadao SANO

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Keywords: tracer techniques, carbon 14, very high temperature, interstitials, self-diffusion, carbon, uranium monocarbide, sectioning technique, activation energy, diffusion coefficient, intermetallic compounds

JOURNAL FREE ACCESS

1972 Volume 9 Issue 10 Pages 569-573

DOI https://doi.org/10.3327/jnst.9.569

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Abstract

The diffusion of C in UC has been measured using radioactive tracer and sectioning technique. Self-diffusion coefficients of C in UC are described well by the equation
D=4.7×10^-2exp(-54.7±2.8/RTkcal/mole)cm²/sec over the temperature range of 1, 400°∼2, 000°C.

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