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The development of <100> texture in Fe-Cr-Co-Mo permanent magnet alloys

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4 Author(s)
Sugimoto, S. ; Dept. of Mater. Sci., Tohoku Univ., Sendai, Japan ; Satoh, H. ; Okada, M. ; Homma, M.

The cold-rolled and recrystallization textures of Fe-Cr-Co-Mo permanent magnet alloys are described. The studied composition is Fe-30%Cr-15%Co-3%Mo (in wt.%). The cold-rolled texture can be considered to be {111}<110>, {111}<112>, {100}<110>, and {211}<110>, while the recrystallization texture can be considered to be {111}<100>, {110}<112>, {211}<110>, and {110}<110>. The secondary recrystallization is caused by heat-treating the alloys in the sequence of α, α+γ, α+γ+σ, α phase region. This results in a favorable texture of {110}<110> and <100> direction, aligning along the transverse direction (TD) of the strips. The best magnetic properties obtained in this study were 1.2 T (12.0 kG), iH c=82.0 kAm-1 (1025 Oe), and (BH)max= 60.8 kJm-3 (7.6 MGOe) with TD alloys

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Magnetics, IEEE Transactions on  (Volume:27 ,  Issue: 3 )