论文信息 - Analysis of Tin Diffusion in Zircaloy‐4 and Tin Redistribution after Steam Oxidation by Means of X‐ray Fluorescence Measurements

Analysis of Tin Diffusion in Zircaloy‐4 and Tin Redistribution after Steam Oxidation by Means of X‐ray Fluorescence Measurements

The temperature dependence of tin diffusion coefficients in the nuclear fuel rod cladding tube material Zircaloy-4 is determined in the range of 1 000-1400 °C by means of X-ray fluorescence measurements. During oxidation at these temperatures, tin is redistributed, as shown in the figure. Due to tin diffusion in zirconium being much slower than the growing of the oxide layer, tin is segregated inside the oxide layer and at phase boundaries.

R. Simon | M. Grosse

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