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Present fabrication status of spare moderators and reflector in J-PARC spallation neutron source

Invar joint and Au-In-Cd decoupler were implemented to prepare spare moderators and reflector. Invar joint was developed to improve manufacturing procedure of the hydrogen transfer line. A low activation Au-In-Cd alloy also could be implemented in the neutron extraction beam hole of reflector as a s...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-05, Vol.1021 (1), p.12061
Main Authors: Teshigawara, M, Harada, M, Ooi, M, Takada, H
Format: Article
Language:English
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Summary:Invar joint and Au-In-Cd decoupler were implemented to prepare spare moderators and reflector. Invar joint was developed to improve manufacturing procedure of the hydrogen transfer line. A low activation Au-In-Cd alloy also could be implemented in the neutron extraction beam hole of reflector as a substitute of Ag-In-Cd decoupler by taking into account of enlarged heat capacity according to actual size in the HIPing process.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1021/1/012061