A stacked-speckle history method in diagnostics of structure features of foamed polymers
Marina V. Alonova, Ekaterina V. Ushakova, Dmitry A. Zimnyakov
Abstract
The stacked-speckle history method aims at obtaining a temporal sweep of the speckle fields along a chosen direction. These data allows to estimate the dynamics and the lifetime of the speckle fields. Characteristic differences of the stacked-speckle history maps were founded for different stages of polymer foaming. A Fourier analysis of the stacked-speckle history maps was also carried out.
Speaker
Ekaterina V. Ushakova
YURI GAGARIN STATE TECHNICAL UNIVERSITY OF SARATOV
Russia
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