C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 1/68 (2006.01) C21D 8/12 (2006.01) C21D 9/46 (2006.01) H01F 1/147 (2006.01) H01F 1/18 (2006.01) C21D 1/76 (2006.01)
Patent
CA 2149279
Disclosed is an annealing separator for production for grain-oriented electrical steel sheet, containing one or more compound selected from the following general formula; [Mg1-xM3+x]O, [Mg1-xM2+x]O or [Mg1-xM2+x1M3+x2]O where M2+is at least one bivalent element selected from the group consisting of Be, Ca, Ba, Sr, Sn, Mn, Fe, Co, Ni, Cu, Zn; M3+ is at least one tervalent element selected from the group consisting of Al, Fe, Cr, Co, B, Ti, Sb; 0.01 ? x ? 0.40; x = x1 + x2 This annealing separator having a lower melting point and higher degree of reactivity is applied on the decarburization annealed strip, and improves the properties of the glass film, especially uniform film appearance and good sealing effect, and magnetic properties.
Hamaya Tsuyoshi
Haratani Tsutomu
Honma Hotaka
Ishibashi Maremizu
Kumano Tomoji
Goudreau Gage Dubuc
Nippon Steel Corporation
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