Technology Digests

MxV Rail’s Technology Digest e-Library spans over 30 years of research and testing for the Association of American Railroads (AAR). This work was made possible by the support of the AAR and its member railroads, as well as additional partners including the Federal Railroad Administration, suppliers and vendors, and allied universities.

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1,149 Technology Digests

Date Posted:
By
  • Virginia Foster
  • Stefan Hurlebaus
  • David Davis
Tags:
  • rail longitudinal force measurement
  • Rail Materials/ Inspection/Maintenance
  • rail neutral temperature
Date Posted:
By
  • Scott Cummings
  • Huimin Wu
  • Shawn Trevithick
Tags:
  • hunting
  • profile
  • wear
  • wheel
  • Wheels/Maintenance
Date Posted:
By
  • Scott Cummings
Tags:
  • broken
  • heavy haul
  • mileage
  • profile
  • ultrasonic and microcleanliness test criteria
  • wheel
  • wheel life
  • Wheels/Maintenance
Date Posted:
By
  • Edwin Satre
  • David Davis
Tags:
  • inspection
  • maintenance
  • rail materials
  • rail neutral temperature (RNT)
  • rail stress management
Date Posted:
By
  • Anna Rakoczy
  • Colin Basye
  • David Linkowski
  • Duane Otter
Tags:
  • ballast materials and maintenance
  • clay characterization
  • embankment degradation
  • flat wheel effects on soil
  • heavy axle loads
  • residual soil stress
  • short HAL cars
  • soil shear wave propagation
  • subgrade
  • track general
Date Posted:
By
  • Ananyo Banerjee
  • David Davis
Tags:
  • cementite
  • hardness
  • premium rail
  • rail
  • RCF
  • rolling contact fatigue
  • steel
  • wear
Date Posted:
By
  • Matthew Witte
  • Hark Braren
Tags:
  • 2-D imaging
  • AISC
  • automated inspection algorithms
  • automated inspection of structural components
  • Beena Vision
  • brake rigging
  • center sill
  • machine vision
  • side sills
Date Posted:
By
  • Joel Kindt
  • Scott Cummings
  • Devin Sammon
  • Brent Whitsitt
Tags:
  • Brakes
  • Class 1
  • flow
  • gradient
  • leakage
Date Posted:
By
  • Devin Sammon
  • Scott Cummings
  • Bill Sheesley
Tags:
  • brake cylinder
  • Brakes
  • cold wheel cars
  • leaks at pipe flanges
  • rigging problems
  • SCABT
  • single car air brake test
  • wheel temperature detectors
  • WTD
Date Posted:
By
  • Alexander Keylin
  • Curtis Urban
  • Anna Rakoczy
  • Duane Otter
Tags:
  • freight car dynamics
  • heavy axle loads
  • Vehicle/Track Dynamics
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