High-T-c dc-SQUID magnetometer and its application in eddy current non-destructive evaluation
文献类型：期刊论文
| 作者 | Qi, HH ; Lang, PL ; Zhang, MJ ; Wang, TS ; Zheng, DN ; Tian, YJ |
| 刊名 | CRYOGENICS
 |
| 出版日期 | 2004 |
| 卷号 | 44期号:10页码:695 |
| 关键词 | GRADIOMETERS NDT |
| ISSN号 | 0011-2275 |
| 通讯作者 | Tian, YJ: Yanshan Univ, Key Lab Metastable Mat Sci & Technol, Qinhuangdao 066004, Peoples R China. |
| 中文摘要 | We have fabricated and tested a high-T-c dc-SQUID magnetometer patterned on a YBCO thin film deposited on a SrTiO3 bicrystal substrate. The measurement of noise spectrum at 77 K showed that the magnetometer has a white noise of 333 fT/Hz(1/2) without superconducting shield, corresponding to a flux sensitivity of 14.5 muPhi(0)/Hz(1/2). We constructed a test system for eddy current non-destructive evaluation of conducting aluminum plates by using the magnetometer. Flaws over 10 min below the surface can be clearly identified. By mapping the magnetic field distribution, we can locate the flaw position. The signals caused by flaw were expanded due to the use of double-D type driving coil with a wider central slit. The experimental results confirmed that this test system could operate in a magnetic unshielded environment. (C) 2004 Elsevier Ltd. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/39444]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Qi, HH,Lang, PL,Zhang, MJ,et al. High-T-c dc-SQUID magnetometer and its application in eddy current non-destructive evaluation[J]. CRYOGENICS,2004,44(10):695. |
| APA | Qi, HH,Lang, PL,Zhang, MJ,Wang, TS,Zheng, DN,&Tian, YJ.(2004).High-T-c dc-SQUID magnetometer and its application in eddy current non-destructive evaluation.CRYOGENICS,44(10),695. |
| MLA | Qi, HH,et al."High-T-c dc-SQUID magnetometer and its application in eddy current non-destructive evaluation".CRYOGENICS 44.10(2004):695. |
入库方式： OAI收割
来源：物理研究所
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