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EFFECTS OF ELECTRIC PULSE ON SOLIDIFICATION QUALITY OF STEEL CORD
Author(s): 
Pages: 5-7,36
Year: Issue:  6
Journal: Henan Metallurgy

Keyword:  电脉冲帘线钢宏观组织夹杂物碳偏析;
Abstract: 实验室研究采用正交试验法,对液相线温度以上的帘线钢进行电脉冲处理,考察对帘线钢凝固质量的影响.研究表明,电脉冲处理可明显改善帘线钢的宏观凝固组织,提高等轴晶率(由33%提高到66%),减少疏松和缩孔;减少夹杂物数量和尺寸,提高帘线钢的洁净度(由12.2个/mm2减少到4.0个/mm2);使帘线钢的碳偏析得到明显改善,试样中心的碳偏析比从1.04降到1.00.
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