The use of non-collinear mixing for nonlinear ultrasonic detection of plasticity and fatigue

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

164 Citations (Scopus)

Abstract

This letter reports on the application of the non-collinear mixing technique to the ultrasonic measurement of material nonlinearity to assess plasticity and fatigue damage. Non-collinear mixing is potentially more attractive for assessing material state than other nonlinear ultrasonic techniques because system nonlinearities can be both independently measured and largely eliminated. Here, measurements made on a sample after plastic deformation and on a sample subjected to low-cycle fatigue show that the non-collinear technique is indeed capable of measuring changes in both, and is therefore a viable inspection technique for these types of material degradation. © 2009 Acoustical Society of America.

Translated title of the contributionThe use of non-collinear mixing for nonlinear ultrasonic detection
Original languageEnglish
Pages (from-to)EL117 - EL122
Number of pages5
JournalJournal of the Acoustical Society of America
Volume126
Issue number5
DOIs
Publication statusPublished - 17 Nov 2009

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