Effect of High-La Rare Earth Additives on Properties of 16Mn Steel
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摘要: 針對高鑭稀土添加劑對16Mn鋼的夾雜物、力學性能的影響進行分析研究,并與富鈰稀土添加劑進行對比.實驗表明,高鑭稀土添加劑能有效變質16Mn鋼中的夾雜物,減少夾雜物的數量,改善鋼的力學性能.當La/S(質量比)為2.5時,綜合力學性能達到最佳值.高鑭稀土添加劑能有效替代富鈰稀土添加劑進行稀土鋼的開發.Abstract: A technique for treating 16 Mn steel with high-La mischmetal additives was proposed. The effect of the additives on the inclusion and mechanical properties of 16Mn steel was investigated and compared with that of Ce-rich additives. It is shown that high-La rare earth additives play a role in modifying inclusion and improving properties of the steel. The optimum effect of RE occurs when the mass ratio of RE/S=2.5. The high-La mischmetal can replace Ce-rich mischmetal with RE additives for treating 16 Mn steel.
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Key words:
- 16Mn /
- inclusion /
- mechanical properties /
- La-high RE compound /
- additive
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