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Electromagnetic characterization of metallic sensory alloy
Author(s) -
Buzz Wincheski,
John Simpson,
Terryl A. Wallace,
A. F. Newman,
Paul Leser,
Rob Lahue
Publication year - 2013
Publication title -
aip conference proceedings
Language(s) - English
Resource type - Conference proceedings
SCImago Journal Rank - 0.177
H-Index - 75
eISSN - 1551-7616
pISSN - 0094-243X
DOI - 10.1063/1.4789226
Subject(s) - characterization (materials science) , alloy , materials science , shape memory alloy , sensory system , ferromagnetism , electromagnetic field , eddy current , work (physics) , optoelectronics , metallurgy , mechanical engineering , nanotechnology , condensed matter physics , physics , electrical engineering , engineering , psychology , quantum mechanics , cognitive psychology
Ferromagnetic shape-memory alloy (FSMA) particles undergo changes in both electromagnetic properties and crystallographic structure when strained. When embedded in a structural material, these attributes can provide sensory output of the strain state of the structure. In this work, a detailed characterization of the electromagnetic properties of a FSMA under development for sensory applications is performed. In addition, a new eddy current probe is used to interrogate the electromagnetic properties of individual FSMA particles embedded in the sensory alloy during controlled fatigue tests on the multifunctional material.

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