publication . Other literature type . Conference object . 2016

Nonlinear Ndt: A Route To Conventional Ultrasonic Testing

Igor Solodov;
Open Access
  • Published: 27 May 2016
  • Publisher: Zenodo
The bottleneck problem of nonlinear NDT is a low efficiency of conversion from fundamental frequency to nonlinear frequency components. In this paper, it is proposed to use a combination of nonlinearity with Local Defect Resonance (LDR) to enhance substantially the input-output conversion. Since LDR is an efficient resonance “amplifier” of the local vibrations, it manifests a profound nonlinearity even at moderate ultrasonic excitation level. As the driving frequency matches the LDR-frequency band, a strong enhancement of the higher harmonic amplitudes generated locally in the defect area is observed. Besides a strong higher harmonic response, a high quality fac...
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Funded by
A Life-cycle Autonomous Modular System for Aircraft Material State Evaluation and Restoring System
  • Funder: European Commission (EC)
  • Project Code: 314768
  • Funding stream: FP7 | SP1 | TPT
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Conference object . 2016
Provider: ZENODO
Conference object . 2016
Provider: Datacite
Other literature type . 2016
Provider: Datacite
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