SYMPOSIA PAPER Published: 01 January 1994
STP24000S

Measurement of Electrical Conductivity of Ceramic Insulators in a Fission Reactor

Source

The electrical conductivity of two ceramic insulators, alumina, and silicon nitride was measured in a fission reactor under a dynamic vacuum condition. The instrumented irradiation rig was dynamically evacuated during fission reactor operation. The uppermost vacuum level attained was better than 10-2 Torr. In this experiment, we attempted to reveal effects of the gaseous environment on the measurement of electrical conductivity under ionizing irradiation. The results showed that the gaseous environment has a most hazardous effect in a certain gas pressure range.

Author Information

Shikama, T
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
Narui, M
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
Kayano, H
Institute for Materials Research, Tohoku University, Oarai, Ibarakiken, Japan
Sagawa, T
Japan Atomic Energy Research Institute, Oarai, Ibarakiken, Japan
Endo, Y
Japan Atomic Energy Research Institute, Oarai, Ibarakiken, Japan
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Details
Developed by Committee: E10
Pages: 1231–1241
DOI: 10.1520/STP24000S
ISBN-EB: 978-0-8031-5262-5
ISBN-13: 978-0-8031-1488-3