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Title: Method for producing a grain-oriented electrical steel sheet using separators comprising metal nitrides

Abstract: Method for producing a grain-oriented electrical steel sheet or strip having uniform magnetic and film properties said method comprising applying an annealing separator containing one or more metal nitrides, such as, chromium nitride, titanium nitride and vanadium nitride to the steel sheet and annealing the steel sheet at a temperature not lower than 1,100.degree.C.


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Inventors: Takashina, Kikuo (Himeji, JA)
Kitayama, Minoru (Himeji, JA)
Nakamura, Motoharu (Himeji, JA)
Suga, Yozo (Himeji, JA)
Tanaka, Kiyoshi (Himeji, JA)

Application Number: 500079
Filing Date: 1974-08-23
Publication_date: 1976-03-02
Assignee: Nippon Steel Corporation (Tokyo, JA)
Primary Class(es): 148/113 148/27, 148/112, 148/308
Other Classes:
US Patent Ref:
2528216Oct, 1950Dunn et al.148/113.
3632456Jan, 1972Sakakura148/111.
3697322Oct, 1972Lee et al.148/112.
3700506Oct, 1972Tanaka et al.148/111.

Other Refs:
Primary Examiner: Satterfield, Walter R.
Assistant Examiner:
Attorney: Toren, McGeady and Stanger