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EFFECT OF EMS ON THE INTERNAL QUALITY OF CONTINUOUS CASTING SLAB AND THE MECHANICAL PROPERTIES OF MEDIUM AND HEAVY STEEL PLATE
Author(s): Xu Dangwei, An Liangliang, Yang Junfeng
Pages: 22-
25
Year: 2011
Issue:
5
Journal: Henan Metallurgy
Keyword: 二冷电磁搅拌; 负偏析带; 排布方式; 力学性能;
Abstract: 分析了板坯连铸机电磁搅拌对板坯质量及中厚板力学性能的影响.从铸坯低倍检测可以看出电磁搅拌使用后铸坯内部中心偏析明显改善,中间裂纹得以消除;采用电磁搅拌辊安装在一段末和二段末的方式,负偏析带宽度由原来的10 mm减小到了5 mm左右,正、负偏析带上的成分与熔炼成分相差较小.从轧制钢板结果表明:负偏析带在轧制过程中具有遗传性;负偏析带及周围区域的化学成分在允许波动范围之内,电磁搅拌对中厚板的强度性能影...
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