摘要: Surface preparation is an important processing in production procedures of superconducting niobium cavities, deciding whether the performance of the niobium cavities can meet the specifications. A series of surface preparation methods and relevant apparatuses have been constructed at Shanghai Institute of Applied Physics (SINAP) and the standard procedures of cavity processing were established and successfully applied to different types of cavities. With standard surface preparation procedures on the 500 MHz 5-cell niobium cavity, the cavity accelerating voltage at T=4.2 K reached 7.5 MV while its quality factor was still higher than 1�109. The accelerating gradient of the IMP-HWR010 cavity reached 4.9 MV/m with the quality factor of better than 3�108 at 4.2 K.
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期刊:
Nuclear Science and Techniques
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分类:
核科学技术
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粒子加速器
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投稿状态:
已在期刊出版
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引用:
ChinaXiv:202306.00445
(或此版本
ChinaXiv:202306.00445V1)
DOI:dx.doi.org/10.13538/j.1001-8042/nst.25.060102
CSTR:32003.36.ChinaXiv.202306.00445.V1
- 推荐引用方式:
MA Zhen-Yu,LIU Jian-Fei,HOU Hong-Tao,WANG Yan,SHI Jing,LUO Chen,FENG Zi-Qiang,MAO Dong-Qing,TANG Zheng-Bo,LI Zheng,ZHAO Shen-Jie,ZHANG Zi-Gang,ZHENG Xiang,ZHAO Yu-Bin.(2023).Surface preparation processing for superconducting cavities.Nuclear Science and Techniques.doi:dx.doi.org/10.13538/j.1001-8042/nst.25.060102
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