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Internal residual stress measurement on plates, train wheels, and thick structures using proprietary sensors and scanners. The technique uses two orthogonal linearly polarized Shear Horizontal waves at 0 and 90 degrees to provide a birefringence measurement which is directly correlated with internal stress.


  • Non-contact EMAT ultrasonic stress measurement technique.
  • Custom software with residual stress measurement in MPa or psi.
  • Generación de informes integrada con medidas de tensión, gráficas, capturas de pantalla y otros datos.
  • Portable probe scanner for semi-automated residual stress measurement on train wheels.
  • Rotating probe scanner for semi-automated residual stress measurement on plates.
  • Cumple la norma EN 13262:2011 y el estándar alemán VPI 09. Utilizado y avalado por fabricantes europeos de la industria del ferrocarril.

Software Upgrades

  • Medición de tensiones residuales

Consulta estos documentos para saber más sobre nuestras soluciones para el ferrocarril:

See our case study: Rail wheels periodic maintenance inspections with Innerspec’s residual stress measurement solution.

Related Instruments

The following instruments are recommended for this application.


Standard EMAT and DCUT Sensors and Accessories for the most common applications (normal beam, guided waves, angled beam)

If you would like any more information on this system, please contact us, and one of our experts will be in touch.