The 82nd JSAP Autumn Meeting 2021

Presentation information

Oral presentation

15 Crystal Engineering » 15.1 Bulk crystal growth

[10p-N221-1~6] 15.1 Bulk crystal growth

Fri. Sep 10, 2021 1:30 PM - 4:15 PM N221 (Oral)

Yuui Yokota(Tohoku Univ.)

3:30 PM - 3:45 PM

[10p-N221-4] Magnetostrictive Control of Fe-Ga single crystals by surface processing

Kiyoshi Izumi1, Kazuhiko Ohkubo1, Shotaro Kawamura1, Masaaki Sato1 (1.Sumitomo Metal Mining)

Keywords:Fe-Ga, vertical Bridgman, magnetostriction

We have developed a manufacturing process of Fe-Ga magnetostrictive alloys which were available for materials of vibration power generators, from single crystal growth using a vertical Bridgman (VB) method to thin-plate processing. In order to stabilize the power generation output of the vibration power generators, it is necessary to produce Fe-Ga single crystal member so that magnetostriction by applying magnetic field parallel λ|| is maximized. We tried to improve the magnetostrictive characteristics by surface processing.

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