Modeling of Surface Hairline-Crack Detection in Metals under Coatings Using an Open-Ended Rectangular Waveguide

IEEE Transactions on Microwave Theory and Techniques

Volumn 45, Issue 11, 1997, Pages 2049-2057

  Huber, Christian ^a   Abiri, H ^b   Ganchev, Stoyan I ^c   Zoughi, R ^b  

^a Engineering Research Center and Hydraulics Laboratory   (United States)

^b Anaren Microwave Inc   (United States)

^c HEWLETT PACKARD COMPANY   (United States)

Author keywords

Method of moments; Microwave inspection; Stress crack

Indexed keywords

CRACK PROPAGATION; CURRENT DENSITY; DIELECTRIC FILMS; ELECTROMAGNETIC WAVE REFLECTION; ELECTROMAGNETIC WAVE SCATTERING; FRACTURE TESTING; MATHEMATICAL MODELS; NUMERICAL ANALYSIS; RECTANGULAR WAVEGUIDES; STRESS ANALYSIS;

MICROWAVE INSPECTION; SURFACE BREAKING HAIRLINE CRACK;

MICROWAVE DEVICES;

EID: 0031276766     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/22.644234     Document Type: Article

References (17)

1. K. G. Boving, NDE Handbook, Non-Destructive Examination Methods for Condition Monitoring. Denmark: Teknisk Forlag A/S, 1989.
2. C. Yeh and R. Zoughi, "A novel microwave method for detection of long surface cracks in metals," IEEE Trans. Instrum. Meas., vol. 43, pp. 719-725, Oct. 1994.
3. C. Yeh, E. Ranu, and R. Zoughi, "A novel microwave method for surface crack detection using higher order waveguide modes," Mat. Evat., vol. 52, no. 6, pp. 676-681, June 1994.
4. C. Yeh and R. Zoughi, "Sizing technique for surface cracks in metals," Mat. Eval.. vol. 53, no. 4, pp. 496-501, Apr. 1995.
5. _, "Microwave detection of finite surface cracks in metals using rectangular waveguide sensors," Res. Nondestructive Eval., vol. 6, no. 1, pp. 35-55, 1994.
6. S. Ganchev, R. Zoughi, C. Huber, R. Runser, and E. Ranu, "Microwave method for locating surface crack tips in metals," Mat. Eval., vol. 54, no. 5, pp. 598-603, May 1996.
7. R. Zoughi, S. I. Ganchev, C. Huber, E. Ranu, and R. Runser, "A novel microwave method for filled and covered surface crack detection in steel bridge members including crack tip identification," Federal Highway Administration, McLean, VA, 4th Annual Rep. Contract DTFH61-94X-00023, Sept. 1995.
8. R. F. Harrington, Time Harmonic Electromagnetic Fields. New York: McGraw-Hill, 1961.
9. _, Field Computation by Moment Methods. New York: Krieger, 1982.
10. R. F. Harrington and J. R. Mautz, "A generalized network formulation for aperture problems," IEEE Trans. Antennas Propagat., vol. AP-24, pp. 870-873, Nov. 1976
11. F. E. Borgnis and C. H. Papas, Encyclopedia of Physics: Electromag-netic Waveguides and Resonators, vol. 16. Berlin, Germany: Springer-Verlag, 1958.
12. N. Marcuvitz, Waveguide Handbook. New York: McGraw-Hill, 1951.
13. J. Audet, J. Bolomey, C. Pichot, D. Nguen, M. Robillard, M. Chive, and Y. Leroy, "Electrical characteristics of waveguide applicators for medical applications," J. Microwave Power, vol. 15, pp. 177-186, Sept. 1980.
14. L. Lewin, Advanced Theory of Waveguides. London, U.K.: Iliffe, 1951.
15. S. I. Ganchev, S. Bakhtiari, and R. Zoughi, "A novel numerical technique for dielectric measurement of generally lossy dielectrics," IEEE Trans. Instrum. Meas., vol. 41, pp. 361-365, June 1992.
16. C. Huber, "Electromagnetic modeling of exposed and covered surface crack detection using open-ended waveguides," Ph.D. dissertation, Elect. Eng. Dept., Colorado State Univ., 1996.
17. R. E. Collin, Foundations for microwave engineering, 2nd. ed. Piscataway, NJ: IEEE Press, 1992.