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Nihon Reoroji Gakkaishi
Vol. 31 (2003) No. 3 P 149-155

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http://doi.org/10.1678/rheology.31.149

Original Articles

The 2D flow of a molten film in the film casting process is studied by particle tracking method. From the image analysis, the velocity field and the film thickness are obtained in the area between the exit of an extrusion die and the contact line on a chill roll. The results indicate that the central part of a film undergoes planar deformation while the edge part undergoes uniaxial deformation. This is the first direct confirmation of the Dobroth-Erwin's model for the flow of the film casting process.

Copyright © 2003 The Society of Rheology, Japan

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