Effects of Zr/Gd Ratio and Hydrogen Content on the Mechanical and Thermal Properties of Hydrides of Zr-Gd Alloys

Yuki KITANO; Ken KUROSAKI; Hiroaki KIMURA; Hiroaki MUTA; Masayoshi UNO; Kenji KONASHI; Shinsuke YAMANAKA

doi:10.3327/taesj.J10.008

Article

Effects of Zr/Gd Ratio and Hydrogen Content on the Mechanical and Thermal Properties of Hydrides of Zr-Gd Alloys

Yuki KITANO, Ken KUROSAKI, Hiroaki KIMURA, Hiroaki MUTA, Masayoshi UNO, Kenji KONASHI, Shinsuke YAMANAKA

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Keywords: metal hydrides, thermal properties, mechanical properties, burnable poison, fast reactor

JOURNAL FREE ACCESS

2011 Volume 10 Issue 1 Pages 48-54

DOI https://doi.org/10.3327/taesj.J10.008

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Abstract

Three kinds of metal hydride, Zr hydrides, Gd hydrides, and the hydrides of Zr-Gd alloys (Zr:Gd=10:1, 8:1, 6:1), were prepared and their mechanical and thermal properties were examined. It was confirmed that the hydrides of Zr-Gd alloys were composed of mixtures of Zr hydrides and Gd hydrides. We succeeded in formulating empirical equations describing the density, Vickers hardness, Young's modulus, heat capacity, and thermal diffusivity of the hydrides of Zr-Gd alloys.

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