| 面向等离子体W材料改善韧性的方法与机制 |
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| 引用本文： | 吴玉程.面向等离子体W材料改善韧性的方法与机制[J].金属学报,2019(2):171-180. |
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| 作者姓名： | 吴玉程 |
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| 作者单位： | 合肥工业大学材料科学与工程学院;合肥工业大学有色金属与加工技术国家地方联合工程研究中心;太原理工大学新材料界面科学与工程教育部重点实验室 |
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| 基金项目： | 国家重大基础研究磁约束核聚变项目No.2014GB121001B;国家自然科学基金项目Nos.51474083;51574101;51674095和51675154;高等学校学科创新引智计划项目No.B18018~~ |
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| 摘 要： | 作为面向等离子体候选材料,金属W多晶材料具有低韧性的特点,表现出室温脆性行为和高的韧脆转变温度,极大地限制了其在工程上的应用。针对当前常用的改善W韧性的方法:细化晶粒,添加合金化元素、第二相颗粒和W纤维以及加工变形技术,本文从内韧化和外韧化2种韧化机制来阐述各种韧化方法,以加深对改善W韧性的理解。结合目前国内外研究现状,对改善钨基材料的方法进行讨论并对改善钨基材料发展方向进行简单展望。
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| 关 键 词： | 面向等离子体材料 W 韧化机制 力学性能 内韧化 外韧化 |
The Routes and Mechanism of Plasma Facing Tungsten Materials to Improve Ductility |
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| WU Yucheng.The Routes and Mechanism of Plasma Facing Tungsten Materials to Improve Ductility[J].Acta Metallurgica Sinica,2019(2):171-180. |
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| Authors: | WU Yucheng |
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| Affiliation: | (School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China;National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei University of Technology, Hefei 230009, China;Key Laboratory of Interface Science and Engineering of New Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China) |
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| Abstract: | WU Yucheng(School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China;National-Local Joint Engineering Research Centre of Nonferrous Metals and Processing Technology, Hefei University of Technology, Hefei 230009, China;Key Laboratory of Interface Science and Engineering of New Materials, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China) |
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| Keywords: | plasma facing material W toughening mechanism mechanical performance intrinsic toughening extrinsic toughening |
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