PREDICTING METHOD OF DUCTILITY REDUCING REGION FOR AS-CAST SLAB IN CONTINUOUS CASTING PROCESS AND CONTINUOUS CASTING METHOD USING THE SAME

The present invention relates to a method for predicting a ductility deterioration section of a slab during continuous casting and a continuous casting method using the same. The prediction method comprises the following steps of: prediction a nose temperature of a time-temperature-precipitation dia...

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Bibliographische Detailangaben
Hauptverfasser:	KWON SANG HUM, HONG DAE GEUN, JEONG JI YEON, YIM CHANG HEE
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention relates to a method for predicting a ductility deterioration section of a slab during continuous casting and a continuous casting method using the same. The prediction method comprises the following steps of: prediction a nose temperature of a time-temperature-precipitation diagram that represents precipitation behavior of steel in a relation with time and temperature; and prediction the ductility deterioration section of the slab during continuous casting by suing a prediction value of the nose temperature. According to the present invention, the ductility deterioration section is rapidly and simply predicted during continuous casting. 본 발명은 강의 석출 거동을 시간과 온도의 관계로 나타낸 시간-온도-석출 다이어그램의 노즈 온도를 예측하는 단계; 및 상기 노즈 온도의 예측값을 이용하여, 연속 주조 시 주편의 연성 저하 구간을 예측하는 단계;를 포함하는, 연속 주조 시 주편의 연성 저하 구간을 예측하는 방법 및 이를 이용한 연속 주조 방법에 관한 것입니다.