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研究了重稀土在电工纯铁中的作用。肯定了重稀土的脱氧、脱硫,改善铸态低倍组织及改变夹杂物形态的作用。同时研究了重稀土对电工纯铁电磁性能的影响,分析了重稀土提高纯铁磁性能的条件及原因。
The role of heavy rare earth in pure iron electroslag was studied. Affirmed the heavy rare earth deoxidation, desulfurization, improve cast low magnification microstructure and change the role of inclusions. The effect of heavy rare earth on the electromagnetic properties of pure iron was also studied. The conditions and reasons for improving the magnetic properties of pure ferrite were also analyzed.