| V-5Cr-5Ti合金再结晶规律及其动力学 |
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| 引用本文： | 李增德,崔舜,林晨光,李明. V-5Cr-5Ti合金再结晶规律及其动力学[J]. 稀有金属, 2009, 33(6). DOI: 10.3969/j.issn.0258-7076.2009.06.004 |
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| 作者姓名： | 李增德 崔舜 林晨光 李明 |
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| 作者单位： | 北京有色金属研究总院粉末冶金及特种材料研究所,北京,100088 |
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| 摘 要： | 研究了V-5Cr-5Ti合金在900～1100 ℃之间的再结晶规律, 概括了V-5Cr-5Ti合金的再结晶动力学机制. 结果表明, 合金冷变形板材在950～1050 ℃下退火处理, 可获得细小、均匀的等轴晶; 初步推导了V-5Cr-5Ti合金再结晶动力学机制, 符合Avrami-Erofeev形核长大机制; 并计算了V-5Cr-5Ti合金再结晶激活能Q_r, 其值为261.91～289.67 kJ· mol~(-1).
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| 关 键 词： | V-5Cr-5Ti合金 再结晶 动力学机制 激活能 |
Recrystallization and Kinetics of V-5Cr-5Ti Alloy |
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| Li Zengde,Cui Shun,Lin Chenguang,Li Ming. Recrystallization and Kinetics of V-5Cr-5Ti Alloy[J]. Chinese Journal of Rare Metals, 2009, 33(6). DOI: 10.3969/j.issn.0258-7076.2009.06.004 |
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| Authors: | Li Zengde Cui Shun Lin Chenguang Li Ming |
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| Abstract: | The recrystallization of V-5Cr-5Ti alloy annealed at 900～1100 ℃ was investigated. The recrystallization kinetics of the alloy was summarized. The results showed that the fine and uniform equiaxed grains were obtained when the cold working alloy annealed at 950～1050 ℃. Recrystallization dynamic mechanism of cold-working V-5Cr-5Ti alloy was established preliminarily, which accorded with Avrami-Erofeev mechanism of nucleation and growth. Recrystallization activation energy Q_r of V-5Cr-5Ti alloy was obtained, Q_r=261.91～289.67 kJ·mol~(-1). |
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| Keywords: | V-5Cr-5Ti alloy recrystallization kinetics recrystallization activation energy |
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