Journal of Plasma and Fusion Research
Print ISSN : 0918-7928
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Development of a Heat-Resistant Neutron Shielding Resin for the National Centralized Tokamak
Atsuhiko MORIOKAShinji SAKURAIKoichi OKUNOHiroshi TAMAI
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2005 Volume 81 Issue 9 Pages 645-646

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Abstract

A 300°C heat-resistant neutron shielding material was newly developed. The material consists of phenol-based resin with 5 weight-% boron. The neutron shielding performance of the developed resin, which was examined by usinga 252Cf neutron source, was almost identical to that of polyethylene. The resin can be applied to the port section of the vacuum vessel of the DD plasma device to suppress the streaming neutrons and to reduce the nuclear heating of thesuperconducting coils.

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© 2005 by The Japan Society of Plasma Science and Nuclear Fusion Research
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