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Fabrication of aerogel capsule, bromine-doped capsule, and modified gold cone in modified target for the Fast Ignition Realization Experiment (FIREX) Project

Keiji Nagai, H. Yang, T. Norimatsu, H. Azechi, F. Belkada, Y. Fujimoto, T. Fujimura, K. Fujioka, S. Fujioka, H. Homma2009年被引用 32Nuclear FusionIF 3出版社

The development of target fabrication for the Fast Ignition Realization EXperiment (FIREX) Project is described in this paper. For the first stage of the FIREX Project (FIREX-I), the previously designed target has been modified by using a bromine-doped ablator and coating the inner gold cone with a low-density material. A high-quality bromine-doped capsule without vacuoles was fabricated from bromine-doped deuterated polystyrene. The gold surface was coated with a low-density material by electrochemical plating. For the cryogenic fuel target, a brand new type of aerogel material, phloroglucinol/formaldehyde (PF), was investigated and encapsulated to meet the specifications of 500 µm diameter and 20 µm thickness, with 30 nm nanopores. Polystyrene-based low-density materials were investigated and the relationship between the crosslinker content and the nanopore structure was observed.

日本語訳

本論文では、高速点火実現実験(FIREX)プロジェクトにおけるターゲット作製の開発について述べる。FIREXプロジェクトの第一段階(FIREX-I)では、既に設計されたターゲットを改良し、臭素ドープアブレータを使用し、内部の金コーンに低密度材料をコーティングした。臭素ドープ重水素化ポリスチレンから、ボイドのない高品質な臭素ドープキャプセルを作製した。金表面には電気化学メッキにより低密度材料をコーティングした。低温燃料ターゲットについては、新規のエアロゲル材料であるフロログルシノール/ホルムアルデヒド(PF)を調査し、直径500 µm、厚さ20 µm、ナノ細孔30 nmの仕様を満たすように封入した。ポリスチレン系低密度材料について調査し、架橋剤含有量とナノ細孔構造の関係を観察した。

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