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Foam materials for cryogenic targets of fast ignition realization experiment (FIREX)

Keiji Nagai, H. Azechi, F. Ito, A. Iwamoto, Y. Izawa, T. Johzaki, R. Kodama, K. Mima, T. Mito, M. Nakai2005年被引用 33Nuclear FusionIF 3出版社

Development of foam materials for cryogenically cooled fuel targets is described in this paper. The fabrication development was initiated as a part of the fast ignition realization experiment (FIREX) project at the ILE, Osaka University under a bilateral collaboration between Osaka University and National Institute for Fusion Science (NIFS). For the first stage of FIREX (FIREX-I), a foam cryogenic target was designed in which low-density foam shells with a conical light guide will be fuelled through a narrow pipe and will be cooled down to the cryogenic temperature. Acrylic polymer, resorcinol–formaldehyde (RF) resin, poly(4-methyl-1-pentene) (PMP), and polystyrene-based crosslinking polymer have been investigated as supporting materials for cryogenic fuel. The properties of the material and the present status of the material development are summarized.

日本語訳

本論文では、極低温冷却燃料ターゲット用フォーム材料の開発について述べる。この製造開発は、大阪大学ILEにおける高速点火実証実験(FIREX)プロジェクトの一環として開始され、大阪大学と核融合科学研究所(NIFS)との二国間協力のもとで進められた。FIREXの第一段階(FIREX-I)では、低密度フォームシェルにコーン状ライトガイドを備え、細管を通じて燃料を充填し、極低温まで冷却するフォーム低温ターゲットが設計された。極低温燃料の支持材料として、アクリルポリマー、レゾルシノール-ホルムアルデヒド(RF)樹脂、ポリ(4-メチル-1-ペンテン)(PMP)、およびポリスチレン系架橋ポリマーが検討された。材料の特性と材料開発の現状をまとめる。

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