Railway Testing and Inspection
Internal Rail Defect Detection Methods, Ranked by Maturity
Internal rail defect detection methods ranked by maturity: contact UT, induction and hand UT in service; phased array, EMAT and non-contact UT still in pilots.
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Railway Testing and Inspection
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Railway Testing and Inspection
Magnetic Particle Testing: Techniques, Currents and Standards
Magnetic particle testing technique guide: yoke, prod, coil and head shot fields, AC vs HWDC vs FWDC, field checks, UV-A limits, demag and the standards map.
Railway Testing and Inspection
Visual Testing (VT) of Welds: ASME V, AWS D1.1 and Inspector Rules
Visual testing of welds needs 100 fc (1000 lux) and the eye within 24 in. at 30° or more. AWS D1.1 visual limits, CWI vision rules and a worked example.
Railway Testing and Inspection
Innovations in Rail Inspection Technology
Explore the latest innovations in rail inspection technology and discover how AI, sensors, drones, and automation improve railway safety
Railway Testing and Inspection
Railroad Track Inspection Under 49 CFR 213.233: How Regular Inspections Work
Railroad track inspection under 49 CFR 213.233: weekly or twice-weekly checks by class, who may inspect, what is checked, records and remedial action.
Railway Testing and Inspection
The Science Behind Ultrasonic Testing: Physics Applied to Rail and Welds
The science behind ultrasonic testing: wave speed, acoustic impedance, wavelength, near field and beam spread, with worked rail examples and FRA rules.
Railway Testing and Inspection
How Ultrasonic Waves Detect Flaws in Steel
How ultrasonic waves detect flaws in steel plate, welds, forgings and castings: lamination scans, weld cracks, lamellar tears, grain limits and worked examples.
Railway Testing and Inspection
Ultrasonic Rail Testing Capabilities: What UT Finds, Misses and Where
Ultrasonic rail testing capabilities by defect: probe channels, 1998 TTCI detection rates, what the base and thermite welds hide, test speeds and 213.237.
Railway Testing and Inspection
Laser Rail Inspection System | High-Precision Rail Measurement & Defect Detection
Discover how a Laser rail inspection system ensures high-precision rail measurement, and defect detection non-contact track maintenance.
Railway Testing and Inspection
Hi-Rail Track Inspector: Visual Inspection, Hi-Rail UT and On-Track Safety
A hi-rail track inspector checks track by vehicle under 49 CFR 213.233, at 5 mph or less over turnouts. How hi-rail UT, Part 214 and test-day planning work.