Title: Investigation of the microstructure of cast iron by laser ultrasonic surface wave spectroscopy
Authors: Gao, WM ×
Glorieux, Christ
Kruger, SE
Van De Rostyne, Kris
Gusev, V
Lauriks, Walter
Thoen, Jan #
Issue Date: Aug-2001
Publisher: Elsevier science sa
Series Title: Materials science and engineering a-structural materials properties microstructure and processing vol:313 issue:1-2 pages:170-179
Abstract: We have used an all-laser surface wave ultrasonic method to investigate cast iron samples with a variety of morphologies of included graphite precipitation. The relation between ultrasonic attenuation and the microstructure of cast iron is discussed. The frequency dependence of ultrasonic attenuation was obtained in a broad frequency band including the three characteristic regions of scattering. The scatterer size of the samples could be evaluated from the measurement, and good agreement was found between the average scatterer size estimated from our ultrasonic data and micrographic data. The demonstrated sensitivity of the ultrasonic propagation parameters to the microstructural properties of cast iron illustrates the strong potential of this technique for non-destructive microstructural characterization of polycrystalline materials. (C) 2001 Elsevier Science B.V. All rights reserved.
ISSN: 0921-5093
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
× corresponding author
# (joint) last author

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