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Measurement Techniques

, Volume 60, Issue 10, pp 1028–1031 | Cite as

Measurement of Acoustic Nonlinearity of Damaged Metal

  • A. V. Vanyagin
  • V. M. Rodyushkin
MECHANICAL MEASUREMENTS
  • 30 Downloads

A technique for measuring the index of nonlinearity of a probing signal is proposed, and an ultrasonic device to implement this technique is described. The high sensitivity of the measured index to metal damage is shown. The characteristics of the device make it possible to use it as a means of nondestructive testing of metal in production conditions at industrial facilities.

Keywords

elastic wave nonlinearity damage metal nondestructive testing 

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Applied PhysicsRussian Academy of SciencesNizhny NovgorodRussia
  2. 2.Institute of Problems of Mechanical EngineeringRussian Academy of SciencesNizhny NovgorodRussia

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