Mechanical Responses of a Combined Support Structure for a Nb < sub > 3 Sn Sextupole Magnet During Assembly and Thermal Cycle
文献类型：期刊论文
| 作者 | Wu, Beimin1,2 ; Wang, Xingzhe1; Guan, Mingzhi1,2; Xin, Canjie2; Wu, Wei2; Chen, Yuquan2; Sun, Liangting2; Zhao, Hongwei2
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| 刊名 | IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
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| 出版日期 | 2020-06-01 |
| 卷号 | 30期号:4页码:5 |
| ISSN号 | 1051-8223 |
| 关键词 | Bladder and key technology Nb3Sn magnets support structure strain measurements mechanical analysis |
| DOI | 10.1109/TASC.2020.2976919 |
| 通讯作者 | Wang, Xingzhe(xzwang@lzu.edu.cn) ; Guan, Mingzhi(mzg615@impcas.ac.cn) |
| 英文摘要 | The Institute of Modern Physics (IMP) in Lanzhou, China, is currently developing a complicated superconducting magnet system composed of four solenoids and six sextupole coils based on a sextupole-in-solenoid configuration. The magnet is made of a single Nb3Sn wire and designed for a fourth-generation ECR ion source operating at frequency of 45 GHz. To effectively prevent the wires motion from performance degradations and a quench, a pre-stress is essential for the superconducting magnet winding and strengthening. Focusing on the sextupole magnet & x0027;s assembly and the pre-load procedure, a combined support structure with temporary bladders, load pads, and load keys, as well an aluminum shell was designed and fabricated in this work. A whole assembly process was fulfilled with a dummy structure at room temperature and a cooling-down and warming-up cycle to show its validity. Some low-temperature resistance strain gauges, together with a half-bridge compensation, were used to monitor strain of the aluminum shell during the pre-load control performance and thermal cycle process. A parametric study on the equivalent friction of the combined structure was carried out for the mechanical characteristics based on FEM simulation to show a reasonable agreement with the experiment measurements as a proper friction coefficient chosen. Finally, a real sextupole magnet was assembled with the combined support structure and tested for excitation. It was illustrated that a proper pre-load state realized by the support structure and a high excitation current about 800 A was reached so that the excited magnetic field gained 7 T as the designed value. |
| 资助项目 | NationalNatural Science Foundation of China[11427904] ; Youth Innovation Promotion Association Chinese Academy of Science[2019404] ; Chinese Academy of Science Light ofWest China Program |
| WOS研究方向 | Engineering ; Physics |
| 语种 | 英语 |
| 出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
| WOS记录号 | WOS:000522346400001 |
| 资助机构 | NationalNatural Science Foundation of China ; Youth Innovation Promotion Association Chinese Academy of Science ; Chinese Academy of Science Light ofWest China Program |
| 源URL | [http://119.78.100.186/handle/113462/140611]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Wang, Xingzhe; Guan, Mingzhi |
| 作者单位 | 1.Lanzhou Univ, Coll Civil Engn & Mech, Key Lab Mech Western Disaster & Environm, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Beimin,Wang, Xingzhe,Guan, Mingzhi,et al. Mechanical Responses of a Combined Support Structure for a Nb < sub > 3 Sn Sextupole Magnet During Assembly and Thermal Cycle[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2020,30(4):5. |
| APA | Wu, Beimin.,Wang, Xingzhe.,Guan, Mingzhi.,Xin, Canjie.,Wu, Wei.,...&Zhao, Hongwei.(2020).Mechanical Responses of a Combined Support Structure for a Nb < sub > 3 Sn Sextupole Magnet During Assembly and Thermal Cycle.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,30(4),5. |
| MLA | Wu, Beimin,et al."Mechanical Responses of a Combined Support Structure for a Nb < sub > 3 Sn Sextupole Magnet During Assembly and Thermal Cycle".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 30.4(2020):5. |
入库方式： OAI收割
来源：近代物理研究所
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