Magnetic properties in the system Iron-Cobalt-Aluminum

The ternary alloy system Fe-Co-Al is studied in the body-centered cubic (bcc) phase for the composition dependence of room temperature magnetization, saturation induction, and Curie temperature T c . The system has potential for high temperature application as soft magnetic material. The results exp...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1985-07, Vol.21 (4), p.1306-1309
Main Author: Jacobs, I.
Format: Article
Language:English
Subjects:
Artificial intelligence
Cobalt alloys
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science
rheology
Domain effects, magnetization curves, and hysteresis
Exact sciences and technology
Iron alloys
Magnetic anisotropy
Magnetic properties
Magnetic properties and materials
Magnetostriction
Materials science
Metals, semimetals and alloys
Other topics in magnetic properties and materials
Physics
Saturation magnetization
Soft magnetic materials
Specific materials
Steel
Temperature
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Summary:The ternary alloy system Fe-Co-Al is studied in the body-centered cubic (bcc) phase for the composition dependence of room temperature magnetization, saturation induction, and Curie temperature T c . The system has potential for high temperature application as soft magnetic material. The results expand upon earlier measurements. The presence of a broad maximum in magnetization near the composition 70 Fe-30 Co (weight percent) in their binary does not persist beyond about 5 wt% Al in the ternary family. Previously reported Curie temperature results are confirmed including an anomalous increase of T c with Al dilution for a certain range of composition. This feature is explained as due to a stabilization of the α-phase to higher temperatures.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1985.1063897