Generation of low-frequency components in ultrasonic waves penetrating the interface between contacting solids

H. Tanaka, T. Okamoto, K. Kurihara, T. Sugiura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

It is difficult to detect a closed crack by conventional ultrasonic testing. However, nonlinear ultrasonics may be useful for detection of a closed crack in structures. This study experimentally examined propagation of ultrasonic waves through the interface between contacting solids. We simulated a closed crack by compressing two aluminum blocks. The input frequency was changed in the range of 1.0-2.0MHz and two different types of surface roughness of specimens were used. As a result, generation of low-frequency components at about 600 kHz was found regardless of the input frequency. Such a feature of low-frequency components is different from that of subharmonics. Additionally, this phenomenon was not confirmed in specimens with smoother surface. Therefore, surface roughness can be one of important factors of generating low-frequency components. The results suggest that these low-frequency components can be useful for detecting a closed crack.

Original languageEnglish
Title of host publication40th Annual Review of Progress in Quantitative Nondestructive Evaluation - Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing
PublisherAmerican Institute of Physics Inc.
Pages1745-1749
Number of pages5
ISBN (Print)9780735412118
DOIs
Publication statusPublished - 2014 Jan 1
Event40th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2013, Incorporating the 10th International Conference on Barkhausen and Micro-Magnetics, ICBM 2013 - Baltimore, MD, United States
Duration: 2013 Jul 212013 Jul 26

Publication series

NameAIP Conference Proceedings
Volume1581 33
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

Other40th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE 2013, Incorporating the 10th International Conference on Barkhausen and Micro-Magnetics, ICBM 2013
CountryUnited States
CityBaltimore, MD
Period13/7/2113/7/26

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Keywords

  • Closed Crack
  • Interface
  • Low-frequency Components
  • Ultrasonic

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Tanaka, H., Okamoto, T., Kurihara, K., & Sugiura, T. (2014). Generation of low-frequency components in ultrasonic waves penetrating the interface between contacting solids. In 40th Annual Review of Progress in Quantitative Nondestructive Evaluation - Incorporating the 10th International Conference on Barkhausen Noise and Micromagnetic Testing (pp. 1745-1749). (AIP Conference Proceedings; Vol. 1581 33). American Institute of Physics Inc.. https://doi.org/10.1063/1.4865034