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摘要：
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研究了稀土对结构钢过冷奥氏体转变曲线及对锻造后组织的影响。结果表明 :钢中固溶稀土有明显的合金化作用。稀土使钢的过冷奥氏体转变曲线右移 ,对锻后组织有明显影响。
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Influence of RE on transformation cure of undercooling austenite and microstructurve after forging in test steels is studied. The result shows that the RE of solid solution RE in steels have the alloying action and that the RE make CCT curve of undercooling austenite move towards right and affect the microstructure after forging.
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基金项目：
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作者简介：
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参考文献：
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1 周兰聚,高海伟,李砚婷.钢中稀土微合金化及其对钒铌沉淀相析出规律的影响.山东冶金,2000(6):42～45
2 余宗森.钢中稀土.北京:冶金工业出版社,1982.
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