High strain magnetostriction in a ferromagnet-polymer composite

Aaron Hamann, E. Dan Dahlberg

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

A magnetostrictive composite material exhibiting the capacity for large magnetostrictive strains was created by suspending magnetic wires in a soft polymer matrix. Magnetostrictive strains as large as 20% were found in an applied field of 600 Oe for this proof of concept composite. Our analysis indicates that reversible strains of over 6% are reasonable for this specific composite. The large values of magnetostriction are due to the mechanical rotation of the wires in the polymer matrix.

Original languageEnglish (US)
Article number091906
JournalApplied Physics Letters
Volume110
Issue number9
DOIs
StatePublished - Feb 27 2017

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