High-Density Large-Scale TMR Sensor Array for Magnetic Field Imaging

doi:10.1109/TIM.2018.2866299

	High-Density Large-Scale TMR Sensor Array for Magnetic Field Imaging
	Chaofeng Ye; Yang Wang; Yu Tao
	2019-07
发表期刊	IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (IF:5.6[JCR-2023],5.6[5-Year])
ISSN	0018-9456
卷号	68 期号:7 页码:2594-2601
发表状态	已发表
DOI	10.1109/TIM.2018.2866299
摘要	Magnetic field imaging (MFI) is widely used in electromagnetic nondestructive evaluation (ENDE). This paper presents a high-density, large-scale tunneling magnetoresistance (TMR) sensor array for MFI applied in ENDE. The TMR array consists of 180 sensing elements with the distance of 0.5 mm between any pair of TMR sensors adjacent to each other, which enables to acquire an image with high spatial resolution. With a total length of 90 mm, the TMR array is capable of imaging a rectangular area as wide as 90 mm in a single scan resulting in a fast inspection speed for the evaluation of structure with a large surface area. The proposed TMR sensor array has high sensitivity to the magnetic field in a wide frequency range. Therefore, it can be used for the detection of deeply embedded defects in multilayer riveted structures with excitation currents at ultralow frequencies. Experimental results show that machined notches under fasteners head at a distance of 8 mm from the top surface of a multilayer riveted aluminum structure can be detected with a proper fusion of the magnetic field images at 100 and 1000 Hz. Furthermore, surface notch with dimension 300 mu m x 300 mu m x 400 mu m on an aluminum sample can be detected from the obtained magnetic field image with excitation current frequency 20 kHz.
关键词	Eddy current testing (ECT) magnetic field imaging (MFI) sensor array tunneling magnetoresistance (TMR) sensor
URL	查看原文
收录类别	SCI ; SCIE ; EI
语种	英语
资助项目	Shanghai Pujiang Talent Project[18PJ1408400]
WOS研究方向	Engineering ; Instruments & Instrumentation
WOS类目	Engineering, Electrical & Electronic ; Instruments & Instrumentation
WOS记录号	WOS:000471078900031
出版者	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
WOS关键词	GMR ; EXCITATION ; SYSTEM
原始文献类型	Article
来源库	IEEE
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/28941
专题	信息科学与技术学院_硕士生信息科学与技术学院_PI研究组_叶朝锋组信息科学与技术学院_PI研究组_汪阳组
作者单位	School of Information Science and Technology, ShanghaiTech University, Shanghai, China
第一作者单位	信息科学与技术学院
第一作者的第一单位	信息科学与技术学院
推荐引用方式 GB/T 7714	Chaofeng Ye,Yang Wang,Yu Tao. High-Density Large-Scale TMR Sensor Array for Magnetic Field Imaging[J]. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT,2019,68(7):2594-2601.
APA	Chaofeng Ye,Yang Wang,&Yu Tao.(2019).High-Density Large-Scale TMR Sensor Array for Magnetic Field Imaging.IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT,68(7),2594-2601.
MLA	Chaofeng Ye,et al."High-Density Large-Scale TMR Sensor Array for Magnetic Field Imaging".IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 68.7(2019):2594-2601.