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F-electromagnetic stirring
met.
凝固末端电磁搅拌
;
F- 电磁搅拌
(【技】将电磁搅拌器安装在连铸坯凝固末端,通常安装在液相穴长度的3/4处或铸流液芯直径小于 40mm 的区段。连铸坯的凝固末端为两相区,富集较高的溶质浓度,易形成严重的铸坯中心偏析。通过凝固末端电磁搅拌,可使液相穴末端的富集溶质液体分散到周围区域,消除或降低铸坯中心偏析和中心疏松,提高铸坯内在质量。)
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