This chapter gives readers fundamental understandings of various nonlinear acoustical techniques. It briefly describes the nonlinear techniques that are popular today such as …
The operational life of components subjected to rolling contacts such as bearings and rail wheels is limited by rolling contact fatigue (RCF). In RCF, materials undergo complex …
EJ Smith, KH Matlack - The Journal of the Acoustical Society of …, 2021 - pubs.aip.org
Nonlinear ultrasound (NLU) is a nondestructive evaluation method that is sensitive to damage at length scales well below those detected by conventional ultrasonic methods …
G Zhang, X Li, T Kundu - Journal of …, 2024 - asmedigitalcollection.asme.org
Peri-ultrasound modeling which is based on nonlocal peridynamics is found and proven to be effective for modeling nonlinear waves propagating and interacting with damages in …
Z Nie, K Wang, M Zhao - Advances in Materials Science and …, 2018 - Wiley Online Library
The health state of concrete is deteriorating during its service. Nonlinear ultrasonic detection based on the amplitude of the fundamental and the second harmonic is considered to be a …
L Wang, L Xie, F Wang, S Zhang, Y Li - NDT & E International, 2024 - Elsevier
The nonlinearity parameter is a powerful tool for nondestructive evaluation, as it provides a measure of the state of damage of structural components. When carrying out nonlinearity …
M Yuan, A Dai, L Liao, Y Chen, X Ji - Materials, 2021 - mdpi.com
Ultrasonic is one of the well-known methods for surface roughness measurement, but small roughness will only lead to a subtle variation of transmission or reflection. To explore …
BA Aasim, AK Karimi, J Tomiyama, Ö Aydan - Asian Journal of Civil …, 2020 - Springer
In this paper, a vibration-based damage detection method was employed to assess a hollow- type prestressed concrete (BS12) girder in two different states using its dynamic …
S Zeng, S Zhang, X Li, C Malone - Nondestructive Testing and …, 2024 - Taylor & Francis
The pulse-echo method is desirable in practice because it enables single-sided measurement of the absolute nonlinear parameter (β), allowing quantitative characterisation …