Magnetization in MSMA: 2D modeling and experimental characterization

Douglas H. LaMaster, Heidi P Feigenbaum, Isaac D. Nelson, Constantin Ciocanel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Magnetic Shape Memory Alloys (MSMAs) are a type of smart material that exhibit a large amount of recoverable strain when subjected to an applied compressive stress in the presence of a magnetic field or an applied magnetic field in the presence of a compressive stress. These macroscopic recoverable strains are the result of the reorientation of tetragonal martensite variants. Potential applications for MSMAs include power harvesters, sensors, and actuators. For these applications, the stress is assumed to be applied only in the axial direction, and the magnetic field is assumed to be applied only in the transverse direction. To realize the full potential of MSMA and optimize designs, a mathematical model that can predict the material response under all potential loading conditions is needed. Keifer and Lagoudas [1, 2] developed a phenomenological model that characterizes the response of the MSMA to axial compressive stress and transversely applied magnetic field based on thermodynamic principles. In this paper, a similar thermodynamic framework is used. However, a simpler hardening function is proposed based on the observation that the reorientation phenomenon is the same in both forward and reverse loading, as well as under both magnetic and mechanical loading. The magnetic domains are redefined to more accurately reflect the magnetic field measured experimentally [3]. This revised model is shown to adequately predict the magneto-mechanical response of the MSMA in 2D loading, i.e. axial compressive stress and transversely applied magnetic field.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8689
DOIs
StatePublished - 2013
EventBehavior and Mechanics of Multifunctional Materials and Composites 2013 - San Diego, CA, United States
Duration: Mar 10 2013Mar 14 2013

Other

OtherBehavior and Mechanics of Multifunctional Materials and Composites 2013
CountryUnited States
CitySan Diego, CA
Period3/10/133/14/13

Fingerprint

Shape Memory
shape memory alloys
Shape memory effect
Magnetization
Magnetic fields
Compressive stress
Magnetic Field
magnetization
Modeling
magnetic fields
retraining
Thermodynamics
thermodynamics
Magnetic domains
smart materials
Harvesters
Intelligent materials
Smart Materials
Predict
Martensite

Keywords

  • Magnetic shape memory
  • Modeling
  • MSMA

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

LaMaster, D. H., Feigenbaum, H. P., Nelson, I. D., & Ciocanel, C. (2013). Magnetization in MSMA: 2D modeling and experimental characterization. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8689). [86890Z] https://doi.org/10.1117/12.2009766

Magnetization in MSMA : 2D modeling and experimental characterization. / LaMaster, Douglas H.; Feigenbaum, Heidi P; Nelson, Isaac D.; Ciocanel, Constantin.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8689 2013. 86890Z.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

LaMaster, DH, Feigenbaum, HP, Nelson, ID & Ciocanel, C 2013, Magnetization in MSMA: 2D modeling and experimental characterization. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8689, 86890Z, Behavior and Mechanics of Multifunctional Materials and Composites 2013, San Diego, CA, United States, 3/10/13. https://doi.org/10.1117/12.2009766
LaMaster DH, Feigenbaum HP, Nelson ID, Ciocanel C. Magnetization in MSMA: 2D modeling and experimental characterization. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8689. 2013. 86890Z https://doi.org/10.1117/12.2009766
LaMaster, Douglas H. ; Feigenbaum, Heidi P ; Nelson, Isaac D. ; Ciocanel, Constantin. / Magnetization in MSMA : 2D modeling and experimental characterization. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8689 2013.
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