Indentation effects on strain sensitivity of critical current for internal-tin Nb3Sn strand | |
Liu, Fang1; Li, Fangyi1,2; Liu, Huajun1; Dai, Chao1; Wu, Yu1; Shi, Yi1; Ma, Hongjun1,2; Mao, Zhehua1,2; Zhang, Yanyan3; Jin, Huan1 | |
刊名 | FUSION ENGINEERING AND DESIGN |
2018-12-01 | |
卷号 | 137期号:无页码:373-377 |
关键词 | Nb3Sn Indentation Critical current Mechanical |
ISSN号 | 0920-3796 |
DOI | 10.1016/j.fusengdes.2018.10.017 |
英文摘要 | The cable-in-conduit conductor (CICC) technology has been widely used in large scale superconducting magnet. The Short-Twist-Pitch (STP) design was aimed to avoid the conductor degradation during electromagnetic and thermal cycling. But manufacture of STP CICC deforms the cabled strands significantly. Indentations appear on superconducting strands after cabling and compaction. The conductor used for China Fusion Engineering Test Reactor (CFETR) magnet will be subjected to much higher Lorentz force than ITER. The STP CICC will be the first choice for the conductor design, since it showed no observed current sharing temperature T-cs degradation after electromagnetic cycling. In order to estimate the effects of indentation on the superconducting and mechanical properties of Nb3Sn strands, series measurements have been done on an internal-tin (IT) Nb3Sn strand, fabricated by Western Superconducting Technologies Co., Ltd (WST). The strand was artificially indented and cut to several sections for different kinds of measurements, which mainly included the critical current I-c, versus axial strain measurements with Pacman device and stress-strain tests. The results show that the indentation has less impact on I-c, but more impact on mechanical performance. The sample preparation, test results and analysis have been described in details. |
资助项目 | national natural Science foundation of China[51477172] ; national natural Science foundation of China[51677184] ; National Magnetic Confinement Fusion Science Program[201403105004] |
WOS关键词 | CONDUCTORS |
WOS研究方向 | Nuclear Science & Technology |
语种 | 英语 |
出版者 | ELSEVIER SCIENCE SA |
WOS记录号 | WOS:000454466000047 |
资助机构 | national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; national natural Science foundation of China ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program ; National Magnetic Confinement Fusion Science Program |
内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/41285] |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
通讯作者 | Liu, Huajun |
作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, POB 1123, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China 3.Zhejiang Jiuli HiTech Met Co Ltd, Huzhou 313012, Peoples R China 4.Univ Twente, Enschede, Netherlands |
推荐引用方式 GB/T 7714 | Liu, Fang,Li, Fangyi,Liu, Huajun,et al. Indentation effects on strain sensitivity of critical current for internal-tin Nb3Sn strand[J]. FUSION ENGINEERING AND DESIGN,2018,137(无):373-377. |
APA | Liu, Fang.,Li, Fangyi.,Liu, Huajun.,Dai, Chao.,Wu, Yu.,...&Zhou, Chao.(2018).Indentation effects on strain sensitivity of critical current for internal-tin Nb3Sn strand.FUSION ENGINEERING AND DESIGN,137(无),373-377. |
MLA | Liu, Fang,et al."Indentation effects on strain sensitivity of critical current for internal-tin Nb3Sn strand".FUSION ENGINEERING AND DESIGN 137.无(2018):373-377. |
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