Advances in non-contact ultrasonic inspection of railroad tracks

Experimental Techniques

Volumn 24, Issue 5, 2000, Pages 23-26

  Lanza Di Scalea, F ^a  

^a UNIVERSITY OF CALIFORNIA SAN DIEGO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INSPECTION; NEODYMIUM LASERS; NONDESTRUCTIVE EXAMINATION; PIEZOELECTRIC TRANSDUCERS; PULSED LASER APPLICATIONS; Q SWITCHED LASERS; RAILROAD TRACKS;

LASER ULTRASONIC GENERATION; MAGNETIC INDUCTION TESTING;

ULTRASONIC TESTING;

EID: 0034268658     PISSN: 07328818     EISSN: None     Source Type: Trade Journal    
DOI: 10.1111/j.1747-1567.2000.tb02352.x     Document Type: Article

References (15)

1. Sperry Rail Service, Rail Defect Manual, 25-63, 1989.
2. Anon, F., "Rail-flaw detection. A science that works," Railway Track and Structures, 86, No. 5, 30-32, 1990.
3. Fitzgerald, C.S., "Inspection for rail defects by magnetic induction," Proc. SPIE on Nondestructive Evaluation of Aging Railroads, 2458, 40-44, 1995.
4. Proulx, R. and Tremblay, G., "Developing and testing a laser gage system," Railway Track and Structures, 85, No. 4, 24-25, 1989.
5. 21) waves," Materials Evaluation, 54, No. 9, 983-986, 1996.
6. Bray, D.E. and Najm, M., "The effect of material deformation on the velocity of critically refracted shear waves in railroad rail," Proc. Ultrasonics International Conference, Halifax, Nova Scotia, 13-18, July 11-14, 1983.
7. Lanza di Scalea, F. and Green, R.E., Jr., "Experimental observation of the intrusive effect of a contact transducer on ultrasound propagation," Ultrasonics, 37, No. 3, 179-183, 1999.
8. Wooh, S-C., Kim, C.C. and Wei, C., "Real-time processing of continuous Doppler signals for high-speed monitoring of rail tracks," Review of Progress in QNDE, 17, D.O. Thompson and D.E. Chimenti, eds., Plenum Press, New York, 1681-1688, 1998.
9. th Annual Research Symposium: Transfer of Emerging NDE Technologies, in conjunction with the 1998 ASNT Spring Conference, Anaheim, CA March 23-27, 1998.
10. Lanza di Scalea, F., Berndt, T.P., Spicer, J.B. and Djordjevic, B.B., "Remote laser generation of narrow-band surface waves through optical fibers," IEEE Trans. on Ultrasonics, Ferroelectrics, and Frequency Control. 46, No. 6, 1551-1557, 1999.
11. Lanza di Scalea, F. and Green, R.E., Jr., "High-sensitivity laser-based ultrasonic C-scan system for materials inspection," Experimental Mechanics, 39, No. 4, 329-334, 1999.
12. Heon, R. and Monchalin, J.P., Optical detection of a surface motion of an object using a stabilized interferometric cavity, U.S. Pat. 5,137,361, Aug. 11, 1992.
13. Monchalin, J.P., "Optical detection of ultrasound at a distance using a confocal Fabry-Perot interferometer," Applied Physics Letters, 47, No. 1, 14-6, 1985.
14. Schindel, D.W. and Hutchins, D.A., Air coupled ultrasonic transducer, U.S. Pat. 5,287,331, Feb. 15, 1994.
15. Lanza di Scalea, F. and Green, R.E., Jr., "A hybrid ultrasonic system for control of the thermoplastic tow-placement process," Journal of Composite Materials, in review. ■