结果表明，钢带中部严重的碳偏析是导致在冷弯成U形伞骨时，形成钢带分层的主要原因。
Results show that the primary cause to the laminar defect of the umbrella bone steel in the process of cold bending to U-shape is the severe carbon segregation in the steel band.
为了提高铸坯凝固组织的均匀性，减轻宏观偏析，提出了自耗式振动激发金属液形核技术。
In order to enhance the uniformity of slab solidification structure and reduce macrosegregation, a self consumption of vibration excitation of nuclear technology in liquid steel was proposed.
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