Method of producing (110)[001] grain oriented electrical steel using strip casting
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United States of America Patent
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Jun 15, 2004
Grant Date -
Aug 21, 2003
app pub date -
Sep 13, 2002
filing date -
Sep 13, 2001
priority date (Note) -
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Abstract
In a method of producing a strip suitable for further processing to yield a (110)[001] grain oriented electrical steel from a thin strip such as a continuously cast thin strip the thin cast strip is processed to promote recrystallization from the surface layer of the strip (S=0) into the quarter thickness of the strip (S=0.2 to 0.3). The process parameters are selected so that the strain/recrystallization parameter (K*).sup.-1, .gtoreq.about 6500 and wherein, ##EQU1## T.sub.HBA is the annealing temperature of the strip (in .degree.Kelvin), T.sub.HR is the hot rolling temperature of the strip (in .degree.Kelvin), .epsilon. is the strain rate of hot rolling, t.sub.i is the initial thickness of the strip before hot rolling, and t.sub.f is the final thickness of the strip after hot rolling.
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