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High Speed Phased Array
UT and FMC/TFM
▶ Weld Inspection /Corrosion
Mapping
▶ Application focused
Software
▶ Level up your
robot
Explorer
Powerful and Compact Ultrasonic NDT Solutions
2401 ME January.indd 2 12/20/23 8:01 AM

TECHNICAL FOCUS: NDE OF
RAILROADS
F E A T U R E
26 RAILCAR AXLE INSPECTION: CURRENT STATE,
FUTURE NEEDS, AND OPPORTUNITIES
ANISH POUDEL
T E C H N I C A L P A P E R S
42 IN-MOTION RAILCAR WHEEL INSPECTION
USING MAGNETOSTRICTIVE EMATS
ANISH POUDEL, BORJA LOPEZ, SYED ALI, AND JOSH BENSUR
51 RAIL FLAW IMAGING PROTOTYPE BASED
ON IMPROVED ULTRASONIC SYNTHETIC
APERTURE FOCUS METHOD
CHENGYANG HUANG AND FRANCESCO LANZA DI SCALEA
60 PREDICTING AXIAL STRESS STATE IN
CONTINUOUSLY WELDED RAIL USING
IMPULSE-GENERATED VIBRATION
MEASUREMENTS
CHI-LUEN HUANG AND JOHN S. POPOVICS
67 NONDESTRUCTIVE ESTIMATION OF
NEUTRAL TEMPERATURE IN RAILS: A
COMPARATIVE STUDY OF MACHINE
LEARNING STRATEGIES
MATTHEW BELDING, ALIREZA ENSHAEIAN, AND
PIERVINCENZO RIZZO
79 BIREFRINGENCE TECHNIQUE FOR
EVALUATING THERMAL STRESSES IN
RAILROAD RAILS
AQEEL T. FADHIL, GLENN WASHER, AND ANISH POUDEL
JANUARY 2024
VOLUME 82 • NUMBER 1
S C A N N E R
7 UPFRONT
8 INDUSTRY NEWS
14 NDE OUTLOOK
Our Predictions for 2024
16 NEW MEDIA
17 NEW PRODUCTS
18 STANDARDS UPDATE
21 PATENTS ROUNDUP
22 RNDE ABSTRACTS
S C O P E
89 LEADERSHIP
92 ASNT PRESENTS FINANCIAL
REPORT FY2023
95 SECTION NEWS
Spotlight: Connecticut Yankee
96 AWARDS &HONORS
98 PEOPLE WATCH
101 NDT ETHICS
104 VOLUNTEER PROFILE
R E S O U R C E S
23 NDT EVENTS
105 CALL FOR PAPERS
106 SERVICES &RESOURCES
112 SNAPSHOTS
Getting a Bird’s-Eye View
ON OUR COVER:
In-motion railcar
wheel inspection
using magnetostrictive
EMATs.
Photo courtesy
of MxV Rail.
26
J A N U A R Y 2 0 2 4 • M A T E R I A L S E V A L U A T I O N 3
2401 ME January.indd 3 12/20/23 8:01 AM