Rev. Met. Paris
Volume 98, Number 2, February 2001Tribologie de la mise en forme des métaux
|Page(s)||215 - 222|
|Published online||25 October 2002|
Applications of very high frequency acoustical imaging to the local characterization of materials
1 GHz very high frequency acoustical imaging displays a micronic resolution. Owing to its nature of sub-surface imaging, it is well adapted to the characterization of porosity. Used as a means for quantitative measurements through acoustic signature processing, it provides sufficiently localized information to characterize the elastic properties proper to each component of a SiC/SiC minicomposite, the fiber and the matrix.
© La Revue de Métallurgie, 2001
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