Fission reactor irradiation of materials with improved control of neutron flux-temperature history

M. Kiritani; T. Endoh; K. Hamada; T. Yoshiie; A. Okada; S. Kojima; Y. Satoh; H. Kayano

doi:10.1016/0022-3115(91)90285-F

Fission reactor irradiation of materials with improved control of neutron flux-temperature history

M. Kiritani, T. Endoh, K. Hamada, T. Yoshiie, A. Okada, S. Kojima, Y. Satoh, H. Kayano

Materials Design Division

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

Eliminating the deficiency in the conventional temperature control, irradiation of materials with the Japan Material Testing Reactor is performed with an newly-designed in-core irradiation ring with which the sample temperature can be maintained regardless of the reactor power. The defect microstructures in various materials are compared with those introduced by irradiation with conventional control. The strong influence of the transient lower temperature irradiation during the start-up of the reactor is obvious for the samples irradiated with conventional control. The influence is fully understood from the temperature dependence of the microstructure evolution mechanism. The necessity of improved control is reconfirmed.

Original language	English
Pages (from-to)	1104-1107
Number of pages	4
Journal	Journal of Nuclear Materials
Volume	179-181
Issue number	PART 2
DOIs	https://doi.org/10.1016/0022-3115(91)90285-F
Publication status	Published - 1991 Jan 1

ASJC Scopus subject areas

Nuclear and High Energy Physics
Materials Science(all)
Nuclear Energy and Engineering

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abstract = "Eliminating the deficiency in the conventional temperature control, irradiation of materials with the Japan Material Testing Reactor is performed with an newly-designed in-core irradiation ring with which the sample temperature can be maintained regardless of the reactor power. The defect microstructures in various materials are compared with those introduced by irradiation with conventional control. The strong influence of the transient lower temperature irradiation during the start-up of the reactor is obvious for the samples irradiated with conventional control. The influence is fully understood from the temperature dependence of the microstructure evolution mechanism. The necessity of improved control is reconfirmed.",

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AU - Kiritani, M.

AU - Endoh, T.

AU - Hamada, K.

AU - Yoshiie, T.

AU - Okada, A.

AU - Kojima, S.

AU - Satoh, Y.

AU - Kayano, H.

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AB - Eliminating the deficiency in the conventional temperature control, irradiation of materials with the Japan Material Testing Reactor is performed with an newly-designed in-core irradiation ring with which the sample temperature can be maintained regardless of the reactor power. The defect microstructures in various materials are compared with those introduced by irradiation with conventional control. The strong influence of the transient lower temperature irradiation during the start-up of the reactor is obvious for the samples irradiated with conventional control. The influence is fully understood from the temperature dependence of the microstructure evolution mechanism. The necessity of improved control is reconfirmed.

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