1. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Rail/wheel contact and the associated stress distribution [2]

2. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Schematic diagram of the IR inspection system for fatigue cracks

3. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Top view of a PEC probe aligned in the direction of magnetic induction flux [12]

4. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Loading of rail steel sample during fatigue testing [19]

5. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Local immersion probe used for surface wave excitation [33]

6. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Definition of the field directions and coordinate system used in ACFM [35]

7. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Primary and auxiliary inputs of the ANC filter [44]

8. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Side view of EMAT [48]

9. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
(a) Laser-based generation of Rayleigh waves and detection and (b) focusing mechanism of the generated laser into a line source [60]

10. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Measurement system based on laser interferometer scanning

11. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Rail defect detection by ultrasonic guided waves excited by a laser and detected by an array of air-coupled sensors [83]

12. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Hardware layout of the rail defect detection prototype [83]

13. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Defect detection scheme in “transmission mode” with a pair of air-coupled sensors [83]

14. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Variation of inspection areas covered by eddy current and ultrasonic-based detection techniques [113]

15. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Typical rail flaw detection process

16. Date of download: 11/12/2017
Copyright © ASME. All rights reserved.
From: Rail Flaw Detection Technologies for Safer, Reliable Transportation: A Review
J. Dyn. Sys., Meas., Control. 2017;140(2): doi: /
Figure Legend:
Global classification of rail flaw detection methodologies