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pro vyhledávání: '"Tommy E. Drake"'
Autor:
Robert John Filkins, Tommy E. Drake, Peter William Lorraine, Ken R. Yawn, S. Y. Chuang, Marc Dubois
Publikováno v:
AIP Conference Proceedings.
Laser ultrasound is proving to be a cost effective means for inspecting composite components. In this paper, we report the progress made towards the development of a new source for the laser-ultrasound inspection of composite parts. Previously, it wa
Autor:
Mark A. Osterkamp, Tommy E. Drake, Marc Dubois, Peter W. Lorraine, John B. Deaton, Paul H. Acres
Publikováno v:
AIP Conference Proceedings.
In polymer-matrix composites, porosity must be evaluated and ultrasonic inspection is a proven technique to assess this parameter. To standardize reject criteria among different ultrasonic systems, ultrasonic systems must be quantitatively compared.