First magnetic materials with sensitivity for the physical quantity “curvature”

First magnetic materials with sensitivity for the physical quantity “curvature”

All magnetostrictive types of soft magnetic materials show some weak sensitivity to processes of bending. However, as demonstrated here, a prerequisite for high sensitivity values is that the profile of material exhibits asymmetry with respect to physical characteristics. Specific technological proc...

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Veröffentlicht in:Journal of materials processing technology 2007, Vol.181 (1), p.186-189
Hauptverfasser: Pfützner, H., Kaniusas, E., Kosel, J., Mehnen, L., Meydan, T., Borza, F., Vázquez, M., Rohn, M., Merlo, A.M., Marquardt, B.
Format: Artikel
Sprache:eng
Schlagworte:
Compound materials
Curvature
Magneto-elastic effect
Sensors
Soft magnetic materials
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Beschreibung
Zusammenfassung:All magnetostrictive types of soft magnetic materials show some weak sensitivity to processes of bending. However, as demonstrated here, a prerequisite for high sensitivity values is that the profile of material exhibits asymmetry with respect to physical characteristics. Specific technological processes yield ultra high sensitivity, a curvature of 1/m causing permeability changes of more than 50%.
ISSN:0924-0136
DOI:10.1016/j.jmatprotec.2006.03.026