Twisting and Reverse Magnetic Field Effects on Energy Conversion of Magnetostrictive Wire Metal Matrix Composites

Zhenjun Yang, Zhenjin Wang, Manabu Seino, Daisuke Kumaoka, Go Murasawa, Fumio Narita

Research output: Contribution to journalArticlepeer-review

Abstract

Lightweight metal matrix composites have attracted a great attention for their technological application in aerospace, automotive, or sporting goods, and the multifunctionality of these composites will further expand the range of applications. Herein, a kind of lightweight 1–3 magnetostrictive FeCo/AlSi composites is investigated to evaluate the effects of the specific structure design and reverse magnetic field on the energy conversion under compression. The microstructure of the FeCo/AlSi composite before compression was observed, and the results indicate that there is a large bonding interface, which has the benefits of strain/stress transfer. Compared with the FeCo/AlSi composite with straight FeCo wire, a design with twisted FeCo wire significantly enhances the output performance of the magnetostrictive FeCo/AlSi composite. Furthermore, comparison of the output voltage for the FeCo/AlSi composite in the N–S mode (forward magnetization) and N–N mode (reverse magnetization) reveals that the reverse magnetization can improve the efficiency of the energy conversion notably. In addition, the results of the output voltage in the theoretical calculation are virtually consistent with that in practical measurement.

Original languageEnglish
Article number2000281
JournalPhysica Status Solidi - Rapid Research Letters
Volume14
Issue number10
DOIs
Publication statusPublished - 2020 Oct 1

Keywords

  • composite designs
  • energy harvesting
  • magnetostrictive properties
  • metal matrix composites
  • twisted FeCo wires

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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