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方坯二冷区 连铸电磁搅拌技术 提供单位:武汉钢铁设计院 获冶金部1984年主要冶金科技成果三等奖。 连铸机采用电磁搅拌技术效果如下: 一、提高连铸坯质量 (1)结晶组织细化:获得大面积的等轴晶组织。 (2)均匀铸坯成份:改善铸坯成份偏析及夹杂物粒度大小和分布状况。 (3)减轻或消除铸坯缺陷:如裂纹、疏松及缩孔得到明显改善。
Billet second cold zone continuous casting electromagnetic stirring technology provided by: Wuhan Iron and Steel Institute of Design by the Ministry of Metallurgical 1984 major metallurgical scientific and technological achievements third place. Continuous casting machine using electromagnetic stirring technology are as follows: First, to improve the quality of continuous casting billet (1) Crystallization refinement: access to large areas of equiaxed grain structure. (2) uniform billet ingredients: to improve the slab composition segregation and inclusion size size and distribution. (3) to reduce or eliminate slab defects: such as cracks, loose and shrinkage has been significantly improved.