[G] Magnetic Materials

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[16] Enhancing Magnetostriction in Additively Manufactured Fe–Ga Alloys by Heat Treatment and Powder Characterization

○Likun Chen^1,2, Mitsutaka Sato³, Noriharu Yodoshi⁴, Su Yalatu⁵, Rie Umetsu^1,6 (1. Institute for Material Research, Tohoku University, 2. Graduate School of Engineering, Tohoku University, 3. Graduate School of Systems Science and Technology, Akita Prefectural University, 4. Kyushu University, 5. Digital Manufacturing Center, NTT DATA XAM Technologies Corporation , 6. Science and Innovation in Spintronics, Tohoku University)

Keywords:

magnetostriction,additive manufacturing,Fe-Ga

Fe–Gaは希土類フリー高磁歪材だが、多結晶は異方性が弱く単結晶化は高コスト。L-PBFの4条件と2種熱処理で応力緩和・粒成長を制御し、⟨100⟩集合組織と磁歪向上を図る。