Influence of external and technological stresses on photoacoustic images of Vickers indented ceramics and metals

Kyrill L. Muratikov; Alexej L. Glazov

doi:10.1117/12.725698

11 January 2007 Influence of external and technological stresses on photoacoustic images of Vickers indented ceramics and metals

Kyrill L. Muratikov, Alexej L. Glazov

Author Affiliations +

Proceedings Volume 6594, Lasers for Measurements and Information Transfer 2006; 65941J (2007) https://doi.org/10.1117/12.725698
Event: Lasers for Measurements and Information Transfer 2006, 2006, St. Petersburg, Russian Federation

Abstract

The theoretical model of the photoacoustic effect in stressed solids with application to analysis to the photoacoustic signal behavior near vertical crack tips is developed. Photoacoustic images for Vickers indentation zones in ceramics and metals are presented. It is demonstrated the influence of the given external mechanical stresses on the photoacoustic images of Vickers indentations both for ceramics and metals. The influence of near surface technological stresses on the photoacoustic images of Vickers indentations in ceramics is also demonstrated. The comparison of the obtained experimental results with the available theoretical models of the photoacoustic effect in stressed materials is made.

Citation Download Citation

Kyrill L. Muratikov and Alexej L. Glazov "Influence of external and technological stresses on photoacoustic images of Vickers indented ceramics and metals", Proc. SPIE 6594, Lasers for Measurements and Information Transfer 2006, 65941J (11 January 2007); https://doi.org/10.1117/12.725698

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