Nonlinear acoustic vibro-modulation technique for materials damage diagnostics and prognostics

Dimitri Donskoy, Andrei Zagrai, Alexander Chudnovsky, Hudson Wu

Research output: Contribution to journalComment/debate

Abstract

A vibro-modulation technique that utilizes a nonlinear acoustic effect for detecting material degradation is described. Capabilities of the technique for detecting both materials damage before and after fracture are emphasized. Furthermore, illustrative examples of monitoring the macro-scale damage in the variety of structures are given, as well as new results for monitoring the fatigue damage in aircraft-grade materials.

Original languageEnglish
Pages (from-to)34
Number of pages1
JournalAdvanced Materials and Processes
Volume163
Issue number4
StatePublished - Apr 2005

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