| Zr-Sn-Nb-Fe合金加工过程中再结晶退火处理研究 |
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| 引用本文： | 刘大利,张聪惠,李中奎,周军,石明华,田锋. Zr-Sn-Nb-Fe合金加工过程中再结晶退火处理研究[J]. 稀有金属, 2012, 36(2): 335-340 |
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| 作者姓名： | 刘大利 张聪惠 李中奎 周军 石明华 田锋 |
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| 作者单位： | 1. 西安建筑科技大学冶金工程学院,陕西西安,710055
2. 西北有色金属研究院新材料研究所,陕西西安,710016 |
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| 基金项目： | 国家自然科学基金资助项目(51104114);教育部科学技术研究重点项目(211178);西安市科技计划项目(CXY1124(5)) |
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| 摘 要： | 以Zr-1.0Sn-1.0Nb-Fe合金为研究对象,对其挤压管坯、一次冷轧管坯及二次冷轧管坯进行真空退火处理,并采用偏光显微镜对每道次退火后的金相组织进行观察分析,研究了不同挤压温度以及不同退火制度对Zr-Sn-Nb-Fe合金再结晶退火处理的影响。结果表明:同一加工态下,600℃的挤压管坯在640℃/2 h退火发生再结晶程度大于640℃的挤压管坯,再结晶温度随挤压温度的降低而降低;在600℃的退火温度下,延长保温时间对锆合金再结晶程度影响不大;对挤压管坯、一次冷轧管坯的最佳退火温度为600℃/2 h,二次冷轧管坯的最佳退火温度为580℃/2 h或590℃/2 h。
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| 关 键 词： | Zr-Sn-Nb-Fe合金 再结晶退火 加工热处理 |
Recrystallization Annealing Treatment of Zr-Sn-Nb-Fe Alloy during Workpiece Process |
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| Liu Dali , Zhang Conghui , Li Zhongkui , Zhou Jun , Shi Minghua , Tian Feng. Recrystallization Annealing Treatment of Zr-Sn-Nb-Fe Alloy during Workpiece Process[J]. Chinese Journal of Rare Metals, 2012, 36(2): 335-340 |
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| Authors: | Liu Dali Zhang Conghui Li Zhongkui Zhou Jun Shi Minghua Tian Feng |
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| Affiliation: | 1.College of Metallurgical Engineering,Xi′an University of Architecture & Technology,Xi′an 710055,China;2.New Material Research Center,Northwest Institute for Nonferrous Metal Research,Xi′an 710016,China) |
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| Abstract: | Extrusion tube,1st cold rolled tube and 2nd cold rolled tube of the optimized Zr-Sn-Nb-Fe alloy was annealed on different annealing process,the annealed microstructure was observed by polarized light microscopy,the influence of different extrusion temperature and different annealing process on the treatment of Zr-Sn-Nb-Fe alloy recrystallization annealing was analyzed.The results showed that the recrystallization level of 600 ℃ extrusion tube after annealing at 640 ℃/2 h more than 640 ℃ extrusion tube under the same processing state,the recrystallization temperature was reduced with the decrease of extrusion temperature.The annealing time had little effect on the recrystallization at 600 ℃.The optimal annealing temperature of extrusion tube and 1st cold rolled tube all was 600 ℃/2 h,and the best annealing temperature was 580 ℃/2 h or 590 ℃/2 h for 2nd cold rolled tube. |
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| Keywords: | Zr-Sn-Nb-Fe alloy recrystallization annealing processing heat treatment |
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