[2A12] Dispersed Barrier Hardening Modeling on He Bubbles in Iron-Based Alloys | 2023年秋の大会

2023年秋の大会

2023年9月6日〜9月8日名古屋大学東山キャンパス

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2023年秋の大会

2023年9月6日〜9月8日名古屋大学東山キャンパス

[2A12]Dispersed Barrier Hardening Modeling on He Bubbles in Iron-Based Alloys

*Xinrun Chen¹, Kenta Murakami³, Phongsakorn Park Tom², Bo Li³, Sho Kano³, Takuya Yamamoto⁴, Tatsuya Suzuki¹(1. Nagaoka Univ. of Tech., 2. Malaysian Nuclear Agency, 3. UTokyo, 4. UCSB)

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Pure Fe and Fe-0.3 wt.% Si alloy were irradiated by 160 keV He⁺ ions at 673K±2K up to the fluence of 1.9×10¹⁶cm^-2and 3.6 ×10¹⁶cm^-2, respectively. Irradiation induced hardening in all specimens were observed using nanoindentation. Their microstructures were confirmed by transmission electron microscopy (TEM) and high number densities of helium bubbles were measured in both Fe and Fe-0.3Si specimens irradiated up to 3.6 ×10¹⁶cm^-2.

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