Experimental Study of Macrostructure and Segregation by a Novel Electromagnetic Nozzle Swirling Flow Combined with Electromagnetic Stirring in Continuous Casting
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE（2021）
Abstract
To alleviate macrosegregation, it is the first time that an electromagnetic nozzle swirling flow is applied with a mold electromagnetic stirrer (M-EMS) during continuous casting of square and round billets. Compared with those by only M-EMS, the carbon ranges in square and round billets can be reduced to 0.022 and 0.046 pct, respectively, and the equiaxed crystal ratios are 18 and 33 pct, respectively, by using opposite nozzle swirling flow.
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Key words
electromagnetic stirring,novel electromagnetic nozzle
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