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Erschienen in:
1996 | OriginalPaper | Buchkapitel
The Effect of Porosity Density and Configuration in Composite Materials on the Ultrasonic Waveform
verfasst von : David Akers, Chris Vaccaro, Skip Ellsworth, Don Pettit
Erschienen in: Review of Progress in Quantitative Nondestructive Evaluation
Verlag: Springer US
Enthalten in: Professional Book Archive
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Current practice is to accept or reject composite parts based upon ultrasonic C-scan results. Normally, this is based only on ultrasonic attenuation data. However, attenuation data alone does not account for variations in porosity distribution or type, and ignores the fact that other variables can influence attenuation besides porosity. This work was directed at determining additional parameters which can be used to define the defect structure in a composite.