Effects of Experimental Variables on the Nonlinear Harmonic Generation Technique

Siming Liu, AJ Croxford, SA Neild, Zhou Z.

Research output: Contribution to journalArticle (Academic Journal)peer-review

26 Citations (Scopus)

Abstract

Harmonic generation is a promising technique for measuring small changes in the microstructure of components. Its extreme sensitivity is a benefit for detection, but results in a high degree of variability in any measurements taken. This paper characterizes the effects of experimental variables throughout the measurement signal path, establishing their relative importance and making suggestions for the best way to take measurements using harmonic generation. A model is used to predict the harmonic amplitude as a function of position and thereby account for alignment inaccuracy, explaining the effects of this key experimental variable. Finally, the potential effect of all of the variables on damage detection is discussed.
Translated title of the contributionEffects of Experimental Variables on the Nonlinear Harmonic Generation Technique
Original languageEnglish
Pages (from-to)1442 - 1451
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Volume58
Issue number7
DOIs
Publication statusPublished - Jul 2011

Fingerprint Dive into the research topics of 'Effects of Experimental Variables on the Nonlinear Harmonic Generation Technique'. Together they form a unique fingerprint.

Cite this