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Elucidation of the correlation between grain boundaries and irradiation damage in rare-earth cuprate superconductors under fusion reactor environments

Research Project

Project/Area Number 26K00688
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 14020:Nuclear fusion-related
Research InstitutionNihon University

Principal Investigator

飯田 和昌  日本大学, 生産工学部, 教授 (90749384)

Co-Investigator(Kenkyū-buntansha) 尾崎 壽紀  関西学院大学, 工学部, 教授 (20756663)
波多 聡  九州大学, 総合理工学研究院, 教授 (60264107)
Project Period (FY) 2026-04-01 – 2030-03-31
Project Status Granted (Fiscal Year 2026)
Budget Amount *help
¥18,330,000 (Direct Cost: ¥14,100,000、Indirect Cost: ¥4,230,000)
Fiscal Year 2029: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2028: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2027: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2026: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Keywords照射 / 銅酸化物超伝導体 / 粒界 / 核融合
Outline of Research at the Start

本研究は,核融合炉に不可欠な超伝導磁石の信頼性向上を目的とし,高温超伝導材料REBCOが放射線で劣化する仕組みを解明するものです.特に結晶の境界(粒界)に着目し,構造の違いと損傷の関係を調べます.さらに中性子の代わりに扱いやすいヘリウムイオンを用いることで,安全かつ効率的な評価法を確立し,材料設計と核融合技術の発展に貢献します.

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Published: 2026-04-10   Modified: 2026-07-08  

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