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调整Fe、Si杂质的含量和添加Ti-B细化剂,可消除L4和LF21扁铸锭的裂纹,本文介绍了这方面的试验结果,并推荐了Fe、Si和Ti的合适含量。
Adjusting the content of Fe and Si impurities and adding Ti-B refiner can eliminate the cracks in L4 and LF21 flat ingots. The experimental results in this respect are introduced in this paper, and the suitable contents of Fe, Si and Ti are recommended.