Magnetoelastic phenomena in residually magnetized cobalt steel

Results of research into magnetoelastic change of residual magnetization of cobalt steel annealed at 200—800°C are provided. The value of irreversible magnetoelastic demagnetization is shown to decrease with annealing temperature and become nearly zero after annealing at 600–800°C. In this case, a q...

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Bibliographic Details
Published in:Russian journal of nondestructive testing 2017-03, Vol.53 (3), p.198-203
Main Authors: Novikov, V. F., Neradovskii, D. F., Fedorov, B. V., Strokova, A. V.
Format: Article
Language:English
Subjects:
Annealing
Characterization and Evaluation of Materials
Chemistry and Materials Science
Cobalt
Demagnetization
Hysteresis
Magnetic Methods
Magnetization
Materials Science
Steels
Structural Materials
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Summary:Results of research into magnetoelastic change of residual magnetization of cobalt steel annealed at 200—800°C are provided. The value of irreversible magnetoelastic demagnetization is shown to decrease with annealing temperature and become nearly zero after annealing at 600–800°C. In this case, a quasi-reversible (with nearly no hysteresis) change of magnetization is observed. It is explained by the processes of rotation of magnetization vectors when a load is applied.
ISSN:1061-8309
1608-3385
DOI:10.1134/S1061830917030068