| 难熔金属单晶的电子束悬浮区熔定向凝固 |
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| 引用本文： | 王红,张军,崔春娟,刘林,傅恒志.难熔金属单晶的电子束悬浮区熔定向凝固[J].材料工程,2008(2):71-75. |
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| 作者姓名： | 王红 张军 崔春娟 刘林 傅恒志 |
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| 作者单位： | 西北工业大学,凝固技术国家重点实验室,西安,710072 |
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| 基金项目： | 西北工业大学凝固技术国家重点实验室开放课题 |
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| 摘 要： | 难熔金属及合金以其优异的性能在航空航天、电子信息、能源、化工、冶金和核工业等国防及民用领域有着不可替代的作用,其发展日益受到高度重视.本文综述了难熔金属及合金的应用和发展,以钼、钨及其合金单晶的发展历程为例,概述了难熔金属单晶的电子束悬浮区熔定向凝固制备技术的发展,简要介绍了难熔金属钼的电子束悬浮区熔定向凝固生长工艺与组织的研究.
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| 关 键 词： | 难熔金属 单晶 电子束悬浮区熔 定向凝固 钼 金属单晶 电子束悬浮区熔 定向凝固 Melting Floating Zone Electron Beam Metal Refractory Monocrystal Solidification 研究 组织 生长工艺 难熔金属钼 制备技术 金单晶 应用和发展 高度 作用 替代 |
| 文章编号： | 1001-4381（2008）02-0071-05 |
| 收稿时间： | 2007-02-05 |
| 修稿时间： | 2007-08-25 |
Directional Solidification of Monocrystal Refractory Metal with Electron Beam Floating Zone Melting |
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| WANG Hong,ZHANG Jun,CUI Chun-juan,LIU Lin,FU Heng-zhi.Directional Solidification of Monocrystal Refractory Metal with Electron Beam Floating Zone Melting[J].Journal of Materials Engineering,2008(2):71-75. |
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| Authors: | WANG Hong ZHANG Jun CUI Chun-juan LIU Lin FU Heng-zhi |
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| Abstract: | Refractory metals and alloys with outstanding properties play an unsubstituted role in the fields of national defence, aerospace, electronics, energy sources, chemical engineering, metallurgy and nuclear industry, and attract much more attention recently. The application and development of the refractory metals and alloys are reviewed. As an example of monocrystal W, Mo and alloys, the development of the directional solidification technology with electron beam floating zone melting for the preparation of refractory metal monocrystal is summarized. The processing and microstructure of molybdenum produced by electron beam zone melting is also preliminarily investigated. |
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| Keywords: | refractory metal monocrystal electron beam floating zone melting directional solidifica-tion molybdenum |
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