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29.01.2020 | ICFSMA 2019 | Ausgabe 1/2020

Shape Memory and Superelasticity 1/2020

Magnetic Characterization of Ferromagnetic Shape Memory Components Under Defined Mechanical Loading

Zeitschrift:
Shape Memory and Superelasticity > Ausgabe 1/2020
Autoren:
Fabian Ehle, Peter Neumeister, Eric Haufe, Holger Neubert
Wichtige Hinweise
This article is an invited submission to Shape Memory and Superelasticity selected from presentations at the International Conference on Ferromagnetic Shape Memory Alloys (ICFSMA) held June 2–7, 2019 in Prague, Czech Republic, and has been expanded from the original presentation.
A correction to this article is available online at https://​doi.​org/​10.​1007/​s40830-020-00276-0.

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Abstract

The present paper introduces a novel test procedure for the quasistatic magnetic characterization of FSMA (ferromagnetic shape memory alloy) components under mechanical loading for the use in actuator-level modeling. Its development was necessary due to certain requirements coming from the twin structure and shape of typical FSMA components which are not met by the presented test setups up to now. The measurements carried out in the developed test setup are verified by a reference sample and FE simulations. Error sources are discussed and the main systematic error is calculated. After correcting the remaining error, the acquired data correspond well to data from the literature and show a physical consistency. The developed test procedure is hence able to measure effective but absolute magnetization behavior of FSMA components under mechanical loading. These data can directly be applied to any kind of actuator-level models.

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