Power loss reduction of uncoated grain oriented electrical steel using annealing under stress treatment

Power loss reduction of uncoated grain oriented electrical steel using annealing under stress treatment

•The annealing under stress reduced the power loss of grain oriented electrical steel.•The power loss reduction is related to permeability increase and coercivity reduction.•If the annealing temperature is 300°C, no extrinsic anisotropy is introduced.•The available Si pairs is a new parameter to eva...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2020-06, Vol.504, p.166632, Article 166632
Hauptverfasser: Dias, M.B.S., Bentancour, D.P.M., Araújo, F.G.P., Santos, A.D., Landgraf, F.J.G.
Format: Artikel
Sprache:eng
Schlagworte:
Electric power loss
Electrical steels
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Zusammenfassung:•The annealing under stress reduced the power loss of grain oriented electrical steel.•The power loss reduction is related to permeability increase and coercivity reduction.•If the annealing temperature is 300°C, no extrinsic anisotropy is introduced.•The available Si pairs is a new parameter to evaluate the extrinsic anisotropy intensity.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2020.166632