1 MV X光机系统可靠性实验研究  

Experimental research on reliability of 1 MV X-ray system for radiography

作　　者：马成刚[1] 李洪涛[1] 邓明海[1] 曹宁翔[1] 莫腾富 王晓[1] 张志强[1] Ma Chenggang;Li Hongtao;Deng Minghai;Cao Ningxiang;Mo Tengfu;Wang Xiao;Zhang Zhiqiang(Key Laboratory of Pulsed Power,Institute of Fluid Physics,CAEP,Mianyang 621900,China)

机构地区：[1]中国工程物理研究院流体物理研究所脉冲功率科学与技术重点实验室

出　　处：《强激光与粒子束》2020年第2期100-104,共5页High Power Laser and Particle Beams

摘　　要：参考"天蝎-Ι"原型机,重新设计了1 MV X光机系统,根据技术指标可靠性要求,对Marx发生器、场畸变开关、脉冲传输线、脉冲形成线及二极管等进行了可靠性设计。针对新设计的1 MV X光机系统,对其可靠性进行了实验研究,包含1 MV X光机系统的时间抖动和出光剂量稳定性等,根据调试实验结果制定1 MV X光机系统操作规程,按照规程对1 MV X光机系统进行了可靠性考核,连续工作81发次,最大时间抖动为146 ns,剂量为0.75~1.40 R@1 m,满足总体技术指标要求,可靠度达到98%。Referring to the Scorpio-1 prototype,the 1 MV X-ray system for radiography was redesigned.According to the reliability requirements,it has a reliability design of the system elements,including Marx generator,field distortion switch,pulse forming line,pulse transmission line and rod-pinch diode.Moreover,the experimental tests on the reliability of the system,including time jitter and stability of X-ray,were performed.According to the experimental results,the system operates stable and continuous outputs more than 81 shots.The following technical parameters of the system were achieved:time jitter less than 146 ns,X-ray dose 0.751.40 R at 1 m right in front of the system and reliability up to 98%.

关 键 词：MARX发生器 场畸变开关 可靠性 1 MV X光机 闪光照相 

分 类 号：TL65[核科学技术—核技术及应用] TM89[电气工程—高电压与绝缘技术]