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Flow Instability in Polymer Melt Extrusion

✍ Scribed by Rothenberger, R. ;McCoy, D. H. ;Denn, M. M.

Book ID
118214556
Publisher
Society of Rheology
Year
1973
Tongue
English
Weight
757 KB
Volume
17
Category
Article
ISSN
0038-0032

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The capillary flow of molten polymers has received much attention because at high flow rates the extrusion of the polymer melt is commonly accompanied by instabilities. These manifest themselves as surface distortions, called melt fracture, in the final plastic product. We have modeled this flow, in