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Review of Second Harmonic Generation Measurement Techniques for Material State Determination in Metals

Matlack, K. ; Kim, J.-Y ; Jacobs, L. ; Qu, J.

In: Journal of Nondestructive Evaluation, 2015, vol. 34, no. 1, p. 1-23

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    Titel
    • Review of Second Harmonic Generation Measurement Techniques for Material State Determination in Metals
    Autor
    • Matlack, K.. Department of Mechanical and Process Engineering, Swiss Federal Institute of Technology (ETH Zurich), Zurich, Switzerland
    • Kim, J.-Y. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
    • Jacobs, L.. School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
    • Qu, J.. Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL, USA
    Dokumententyp
    • Postprint
    Sprache
    • Englisch
    Veröffentlicht in
    • Journal of Nondestructive Evaluation, 2015, vol. 34, no. 1, p. 1-23. Springer US; http://www.springer-ny.com
    Andere elektronische Ausgabe
    OAI-PMH-ID
    • oai:doc.rero.ch:331715
    Summary
    This paper presents a comprehensive review of the current state of knowledge of second harmonic generation (SHG) measurements, a subset of nonlinear ultrasonic nondestructive evaluation techniques. These SHG techniques exploit the material nonlinearity of metals in order to measure the acoustic nonlinearity parameter, $$\beta $$ β . In these measurements, a second harmonic wave is generated from a propagating monochromatic elastic wave, due to the anharmonicity of the crystal lattice, as well as the presence of microstructural features such as dislocations and precipitates. This article provides a summary of models that relate the different microstructural contributions to $$\beta $$ β , and provides details of the different SHG measurement and analysis techniques available, focusing on longitudinal and Rayleigh wave methods. The main focus of this paper is a critical review of the literature that utilizes these SHG methods for the nondestructive evaluation of plasticity, fatigue, thermal aging, creep, and radiation damage in metals.