| CFETR真空室焊接接头力学性能分析 |
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| 引用本文： | 万志康,凌堃,陈长琦,王锐,刘志宏,吴杰峰. CFETR真空室焊接接头力学性能分析[J]. 真空科学与技术学报, 2019, 0(6): 529-535 |
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| 作者姓名： | 万志康 凌堃 陈长琦 王锐 刘志宏 吴杰峰 |
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| 作者单位： | 合肥工业大学机械工程学院;中国科学院等离子体物理研究所 |
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| 基金项目： | 国际热核聚变实验堆(ITER)计划专项(2015GB107003) |
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| 摘 要： | 研究分析了中国聚变工程实验堆(CFETR)对真空室焊接的焊缝接头机械性能要求及本征特点,应用ANSYS软件建立了考虑热影响区的焊接接头有限元模型,数值分析了焊接接头结构参数与接头整体力学性能的关系,并基于窄间隙鸭极氮弧焊制作了焊接试件,进行了性能测试和显微组织形貌实验。结果表明,试件未出现热裂纹和未熔合等缺陷;窄间隙钩极氮弧焊热输入较小,热影响区晶粒长大不明显,未出现明显软化,其宽度对提高焊接接头整体强度影响最大。阐释了焊接接头结构的力学特征及形成机制,为聚变堆真空室焊接接头结构设计和焊接工艺的优化提了供理论依据。
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| 关 键 词： | 窄间隙钨极氩弧焊 焊接接头 有限元建模 显微组织 力学特性 |
Mechanical Properties of Welded Joints in Vacuum Chamber of Nuclear Fusion Reactor:A Simulation and Experimental Study |
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| Wan Zhikang,Ling Kun,Chen Changqi,Wang Rui,Liu Zhihong,Wu Jiefeng. Mechanical Properties of Welded Joints in Vacuum Chamber of Nuclear Fusion Reactor:A Simulation and Experimental Study[J]. JOurnal of Vacuum Science and Technology, 2019, 0(6): 529-535 |
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| Authors: | Wan Zhikang Ling Kun Chen Changqi Wang Rui Liu Zhihong Wu Jiefeng |
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| Affiliation: | (School of Mechanical Engineering,Hefei University of Technology,Hefei 230009,China;Institute of Plasma Physics Chinese Academy of Sciences,Hefei 230031,China) |
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| Abstract: | Wan Zhikang;Ling Kun;Chen Changqi;Wang Rui;Liu Zhihong;Wu Jiefeng(School of Mechanical Engineering,Hefei University of Technology,Hefei 230009,China;Institute of Plasma Physics Chinese Academy of Sciences,Hefei 230031,China) |
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| Keywords: | Narrow gap tungsten inert gas welding Welded joints Finite element model Microstructure Me chanical properties |
| 本文献已被 CNKI 维普 等数据库收录！ |
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