HLMIF, a facility for investigating the synergistic effect of ion-irradiation and LBE corrosion
HLMIF, a facility for investigating the synergistic effect of ion-irradiation and LBE corrosion
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HLMIF，用于研究离子辐照和 LBE 腐蚀协同效应的设施
DOI：
10.1016/j.jnucmat.2019.05.049
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发表时间：
2019-09
影响因子：
3.1
通讯作者：
Hailong Chang
中科院分区：
文献类型：
--
作者：
Cunfeng Yao;Zhiguang Wang;Hongpeng Zhang;Hailong Chang
结构材料辐照与铅铋腐蚀的协同效应对未来铅冷核能系统的研究与发展具有重要意义。为此，在兰州重离子加速器国家实验室设计并建造了一台重液态金属与辐照装置。该设施提供了一个能力，使用重离子在原位照射试样同时接触流动的LBE。在这个实验中，一个薄的圆盘材料既作为一个光束窗口，将高温LBE回路与加速器隔离，又作为一个被离子辐照的样本，允许研究协同效应。该装置已成功地通过使用247 MeV Ar离子束辐照同时暴露于350 °C流动LBE的SIMP钢样品进行了测试。初始实验连续进行了92小时，没有发生任何事故或意外故障。初步结果表明，离子辐照对SIMP钢的LBE腐蚀有明显的加速作用，即使在低损伤条件下也是如此。
The synergistic effect of irradiation and Lead Bismuth Eutectic (LBE) corrosion on structural materials is of vital importance for the research and development of future lead cooled nuclear energy systems. A Heavy Liquid Metal and Irradiation Facility (HLMIF) was therefore designed and constructed at National Laboratory of Heavy ion Accelerator in Lanzhou. The facility provides a capability to use heavy ions in situ to irradiate a specimen in simultaneous contact with flowing LBE. In this experiment, a thin disc of material serves as both a beam window isolating high temperature LBE loop from the accelerator, and as a specimen irradiated by ions, allowing studying the synergistic effect. The facility has been successfully tested by using 247 MeV Ar ion beam to irradiate a sample of SIMP steel simultaneously exposed to flowing LBE at 350 °C. The initial experiment was continuously conducted for 92h without any accident or unexpected failures. The preliminary results showed that the LBE corrosion of SIMP steel was obviously accelerated by ion irradiation even at low damage.
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