[G] アモルファス・準結晶・ハイエントロピー合金

[342] Structure and properties of nanoporous FePt fabricated by dealloying melt-spun Fe-Pt-B alloys

*張 偉¹、Dianguo Ma¹、Yingmin Wang¹、Rie Y Umetsu²、Kunio Yubuta²、Yanhui Li¹、Parmanand Sharma³ (1. Dalian University of Technology、2. IMR, Tohoku University、3. NIChe, Tohoku University)

キーワード：Nanoporous metal、Fe-Pt-B alloy、Amorphous alloy、Dealloying、L1₀-FePt、Magnetic property

Melt-spun Fe-Pt-B alloys were dealloyed in H₂SO₄ aqueous solution to form the nanoporous alloys. The structure and properties of the nanoporous alloys before and after annealing were investigated.