H - Electricity – 01 – F
Patent
H - Electricity
01
F
148/8
H01F 1/147 (2006.01) C21D 1/74 (2006.01) C21D 3/04 (2006.01) C21D 8/12 (2006.01) C23D 5/00 (2006.01)
Patent
CA 1047372
A B S T R A C T An insulating glass film having an excellent uniformity and a high adhesion to a grain-oriented silicon steel sheet having a high magnetic induction is formed by annealing a coil of a cold rolled silicon steel sheet having a final gauge in an annealing furnace under a non-oxidizing and non- reducing neutral inert gas, such as nitrogen or argon at a constant temperature keeping stage of 800-920°C and then under dry hydrogen at a temperature of 1,000-1,200°C in the final annealing stage. The resulting grain oriented silicon steel sheet has a B8 value of more than 1.88 Wb/m2.
222301
Irie Toshio
Kobayashi Shigeru
Shimanaka Hiroshi
Sugiyama Toshitomo
Yokoyama Yasuo
Kawasaki Steel Corporation
Na
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