Development of a heat-resistant neutron shielding resin for the national centralized tokamak

Morioka, Atsuhiko; Sakurai, Shinji; Okuno, Koichi*; Tamai, Hiroshi

A 300 $^{circ}$ C heat-resistant neutron shielding material is newly developed, which consists of phenol-based resin with 5 weight-% boron. The neutron shielding performance of the developed resin, examined by the $^{252}$ Cf neutron source, is almost the same as that of the polyethylene. The resin is applicable to the port section of vacuum vessel of the DD plasma device to suppress the streaming neutrons and to reduce the nuclear heating of the superconducting coils.

Language	:	English
Journal	:	Purazuma, Kaku Yugo Gakkai-Shi
Volume	:	81
Number	:	9
Pages	:	p.645 - 646
Publication Year/Month	:	2005/09
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Paper URL	:	http://doi.org/10.1585/jspf.81.645
DOI for research data	:
Keywords	:	Neutron Shielding Resin; 300 $^{circ}$ C Heat-resistance; Phenol-based Resin; Nuclear Heating; Superconducting Coil; MCNP4C2; $^{252}$ Cf Neutron Source
Research Facility	:	JT-60(臨界プラズマ試験装置)
Press Release	:
Article of JAEA R&D Review	:	Neutron Shielding Resin Can Be Used in the High Temperature Environment of a Fusion Device; Development of Neutron Shielding Resin that Has High Heat Resistance and High Mechanical Strength[/]
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Registration No. : A20050207
JAEA Abstracts No. : 34000092
Paper Submission No. : 241

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