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AUSTENITE-FERRITE TRANSFORMATION IN …
May 21st 23rd 2014, Brno, Czech Republic, EU AUSTENITE-FERRITE TRANSFORMATION IN grain - oriented electrical STEEL DURING HOT ROLLING Alexandr KONONOV1, Anton NAUMOV1 1 Saint Petersburg State Polytechnical University, 29 Polytechnicheskaya st., St. Petersburg 195251 Russia Abstract The austenite amount in grain - oriented electrical steel during hot rolling is very impotent parameter. It influences on structure and texture of hot rolling bands and on distribution and size of precipitations. In this paper AUSTENITE-FERRITE ratio variation at high temperature (800-1300 C) was studied. There are two types grain - oriented electrical steel with different carbon contain were investigated. The research consists of two parts. First part is about calculating austenite volume fraction in grain - oriented electrical steel in high temperature.
May 21st – 23rd 2014, Brno, Czech Republic, EU Grain oriented electrical steel has about 3% Si and less then 0.04% of C. Such chemical composition allows to reduce austenite volume fraction in steel at high temperatures (Fig. 1) [3].
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