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High-Temperature Irradiation of Alumina-Base Ceramic Materials in a Water Cooled Fission Reactor

Shikama, T
Associate Professor, Manager of Hot Laboratory, and Professor of the Oarai Branch,Institute for Materials Research, Tohoku University,

Narui, M
Associate Professor, Manager of Hot Laboratory, and Professor of the Oarai Branch,Institute for Materials Research, Tohoku University,

Kayano, H
Associate Professor, Manager of Hot Laboratory, and Professor of the Oarai Branch,Institute for Materials Research, Tohoku University,

Sagawa, T
Researcher of the Oarai Research Establishment,Japan Atomic Energy Research Institute,

Tanabe, T
Research Group Leader and Senior Researcher of the Tsukuba Branch,National Research Institute for Metals,

Fujitsuka, M
Research Group Leader and Senior Researcher of the Tsukuba Branch,National Research Institute for Metals,

Pages: 11    Published: Jan 1994

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Source: STP1175-EB

Abstract

The so-called improved temperature-controlled irradiation was attempted at 1073 K with an electrical heater in a water cooled fission reactor and alumina-magnesia ceramics were irradiated. They were sintered from the highly pure powders without sintering-aid agents. Preliminary results indicated that re-crystallization or re-structuring took place during the high temperature irradiation. The alumina and the magnesia phases appeared in the nearly stoichiometric spinel of MgAl²O⁴ after the irradiation.

Keywords:
High temperature irradiation, improved temperature-controlled, alumina, magnesia, alumina-magnesia spinel

Paper ID: STP24002S
Committee/Subcommittee: E10.08
DOI: 10.1520/STP24002S
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