| 快冷条件下钒对中低氮钢晶粒尺寸的影响 |
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| 引用本文： | 张开华,雍歧龙.快冷条件下钒对中低氮钢晶粒尺寸的影响[J].钢铁钒钛,2007,28(3):1-4. |
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| 作者姓名： | 张开华 雍歧龙 |
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| 作者单位： | 1. 攀枝花钢铁研究院,四川,攀枝花,617000
2. 钢铁研究总院,北京,100081 |
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| 摘 要： | 通过实验室轧制试验,研究了中低氮含钒钢在轧后快速冷却条件下的铁素体晶粒尺寸和屈服强度的变化规律.结果表明,加入钒能够细化铁素体晶粒,原因是在快速冷却条件下中低氮含钒钢中的钒全部固溶在基体中,固溶的钒降低铁素体的实际相变温度,从而细化了铁素体晶粒.
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| 关 键 词： | 钒 微合金化 晶粒细化 |
| 文章编号： | 1004-7638（2007）03-0001-04 |
| 修稿时间： | 2006-11-15 |
Effect of Vanadium on Ferrite Grain Size after Rapid Cooling |
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| Zhang Kaihua,Yong Qilong.Effect of Vanadium on Ferrite Grain Size after Rapid Cooling[J].Iron Steel Vanadium Titanium,2007,28(3):1-4. |
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| Authors: | Zhang Kaihua Yong Qilong |
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| Affiliation: | 1. Panzhihua Iron and Steel Research Institute, Panzhihua 617000, Siehuan, China; 2. Central Iron and Steel Research Institute, Beijing 100081, China |
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| Abstract: | The ferrite ed after rapid cooling grain size and yield strength of the middle and low nitrogen vanadium steel are investigatas roiled. The experimental results show that the ferrite grain size of vanadium steel is finer than that of base steel since the vanadium being dissolved in matrix. It can be conclude that dissolved vanadium decreases the actual phase transformation temperature of steel and then ferrite grain is refined. |
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| Keywords: | vanadium micro - alloying grain refinement |
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