Fourier-transformed eddy current technique to visualize cross-sections of conductive materials

NDT and E International

Volumn 40, Issue 5, 2007, Pages 363-367

  Kiwa, Toshihiko ^a   Kawata, Tomoaki ^a   Yamada, Hironobu ^a   Tsukada, Keiji ^a  

^a OKAYAMA UNIVERSITY   (Japan)

Author keywords

Fourier transform; Magneto resistive sensor; Non destructive evaluation; Pulsed eddy current

Indexed keywords

EDDY CURRENT TESTING; ELECTRIC COILS; FOURIER TRANSFORMS; MAGNETIC FIELDS; MAGNETIC SENSORS; MAGNETORESISTANCE;

FREQUENCY COMPONENTS; MAGNETO-RESISTIVE SENSORS; PULSED EDDY CURRENT;

CONDUCTIVE MATERIALS;

EID: 34247842913     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ndteint.2007.01.006     Document Type: Article

References (13)

1. Lowe M.J.S. Matrix techniques for modeling ultrasonic waves in multilayered media. IEEE Trans Ultrasonics Ferroelectrics Frequency Control 42 4 (1995) 525-542
2. RÅužek R., Lohonka R., and Jironič J. Ultrasonic C-scan and shearograph NDI techniques evaluation of impact defects identification. NDT E Int 39 6 (2006) 441-448
3. Sun Yi., Bai P., Sun H., and Zhou P. Real-time automatic detection of weld defects in steel pipe. NDT E Int 38 7 (2005) 522-528
4. Avdelidis N.P., and Almond D.P. Through skin sensing assessment of aircraft structures using pulsed thermograph. NDT E Int 37 5 (2004) 353-359
5. Grimberg R., Savin A., Radu E., and Chifan S.M. Eddy current sensor for non-destructive evaluation of metallic wires, bars and pipes. Sensors Actuators A Phys 81 1-3 (2000) 224-226
6. Ditchburn R.J., and Burke S.K. Planar rectangular spiral coils in eddy-current non-destructive inspection. NDT E Int 38 8 (2005) 690-700
7. Bowler J.R., and Bowler N. Evaluation of the magnetic field near a crack with application to magnetic particle inspection. J Phys D Appl Phys 35 (2002) 2237-2242
8. Sundararaghavan V., Balasubramaniam K., Babu N.R., and Rajesh N. A multi-frequency eddy current inversion method for characterizing conductivity gradients on water jet peened components. NDT E Int 38 (2005) 541-547
9. Edwards RS, Sophian A, Dixon S, Tian G-Y, Jian X. Dual EMAT and PEC non-contact probe: application to defect testing. NDT E Int 2006; 39(1):45-52.
10. Panaitov G., Krause H.-J., and Zhang Y. Pulsed eddy current transient technique with HTS SQUID magnetometer for non-destructive evaluation. Physica C 372-376 (2002) 278-281
11. Kreutzbruck M.v., Allweins K., Gierelt G., Krause H.-J., Gärtner S., and Wolf W. Defect detection in thick aircraft samples using HTS SQUID magnetometers. Physica C 368 (2002) 85-90
12. Tsukada K., and Kiwa T. Magnetic property mapping system for analyzing three-dimensional magnetic components. Rev Sci Inst 77 (2006) 063703
13. ″ are real and imaginary part of X, respectively.