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朱丽,吴巍,俞树荣,杜卓越,陈玉泉,梅恩铭,孙良亭.FECR超导离子源磁体六极模拟线圈的Mirror结构设计及测试[J].稀有金属材料与工程(英文),2019,48(12):4035~4038.[zhuli,wuwei,yushurong,duzhuoyue,chenyuquan,meienming and sunliangting.Mechanical design and testing of the magnet mirror structure for dummy coil of a superconducting ECR ion source[J].Rare Metal Materials and Engineering,2019,48(12):4035~4038.]
Mechanical design and testing of the magnet mirror structure for dummy coil of a superconducting ECR ion source
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Received:June 11, 2019  Revised:July 26, 2019
DOI:
Key words: Mirror structure  dummy coil  Nb3Sn  Ansys  Strain
Foundation item:国家自然科学基金国家重大科研仪器设备研制项目(11427904),国家自然科学基金面上项目(11575266)
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zhuli,wuwei,yushurong,duzhuoyue,chenyuquan,meienming and sunliangting  
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Abstract:
      The fourth-generation 45GHz ECR source(FECR) is under developing in the institute of modern physics(IMP).The one core of the FECR is the sextupole Nb3Sn coil. To test the performance of the individual sextupole coil after the process of winding ,heat treatment and vacuum-impregnated,a Mirror structure based on a Bladder and Key technology during the magnet assembly is devised.In order to simulate the assembly procedure from bladder and key pre-stress at room temperature through cool-down and verity the proposed method with Ansys ,a dummy coil according to the size of the sextupole Nb3Sn coil is got.Test results of the strain in the middle of shell and dummy coil exhibits very good agreement with expected results calculated with the structural analysis program ansys,and the maximum error is less than 10%.The result verifies the rationality of the Mirror structure design and the credibility of simulation results.