| Issue |
EPJ Web of Conferences
Volume 40, 2013
JEMS 2012 – Joint European Magnetic Symposia
|
|
|---|---|---|
| Article Number | 13005 | |
| Number of page(s) | 4 | |
| Section | Micromagnetics, magnetization processes and magnetization dynamics | |
| DOI | https://doi.org/10.1051/epjconf/20134013005 | |
| Published online | 14 January 2013 | |
https://doi.org/10.1051/epjconf/20134013005
Modeling and experimental analysis of magnetostriction in high strength steels
1
Department of Electrical and Computer Engineering, The
George Washington University, Washington, DC 20052,
USA
2
Naval Surface Warfare Center, Carderock
Division, West
Bethesda, MD
20817,
USA
Previous studies on the magnetostriction in high strength steels have ignored the internal anisotropies due to previous material handling. Cold-rolling an iron alloy will stretch and distort the magnetic domains in the direction of rolling. These altered domain shapes impact the magnetic characteristics of the alloy; adding an additional preferred direction of magnetization to the easy or hard axes within the crystalline structure. This paper presents data taken on rods of a high strength steel that have been machined parallel to the rolling direction; as well as simulated results using a Preisach-type magnetostriction model. The model, whose formulation is based on the DOK magnetization-based model, aims specifically to simulate the Villari reversal phenomenon observed in the magnetostriction measurements of high strength steels and some Terfenol-D alloys.
© Owned by the authors, published by EDP Sciences, 2013
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