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| AN INVESTIGATION OF FINE GRAINS IN THE PRODUCT OF ORIENTED-GRAIN SILICON STEEL SHEET WITH HIGH INDUCTION |
| by Li Jun and Chen Yulian (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry) |
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Cite this article:
by Li Jun and Chen Yulian (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry). AN INVESTIGATION OF FINE GRAINS IN THE PRODUCT OF ORIENTED-GRAIN SILICON STEEL SHEET WITH HIGH INDUCTION. Acta Metall Sin, 1981, 17(4): 441-499.
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Abstract The fine grains in the product of oriented-grain silicon steel sheet with high induction has been investigated using metallographic etch pits technique. It was Shown that by the slab reheated under an exceedingly high temperature,the hot rolled band of large elongated grain structure may be produced, and its {100}<011>-<001> components in the primary recrystallization texture enhanced.In these regions the primaries are enlarged and the lined grain structure is appeared after final annealing, while the slab reheated under lower temperature, the product in which the solution of the MnS and A1N has not be completed yet,may be obtained with mixed grain structure. In addition, it is presented that the lined fine grain structure could be reduced or prevented by increasing carbon content of the steel, by raising hot reduction or by adopting two stages in cold rolled process.
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Received: 18 April 1981
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[1] Regits, L. J., J. Met., 23(1971) , No. 9, 17．
[2] 内部资料.
[3] 内部资料.
[4] Littmann, M. F., Metall. Trans., 6A (1975) , 1041．
[5] 坂倉昭,日本公開特許公報 昭48-101517;U. S. Pat. No. 3,841,924(1974) .
[6] Littmann,M.F.,日本公開特許公報 昭48-53919,U.S.Pat No.3,764,406(1973) .P |
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