Influence of die design on interfacial instabilities in coextrusion

Citation data:

Annual Technical Conference - ANTEC, Conference Proceedings, Vol: 1, Page: 86-90

Publication Year:
2005
Usage 184
Abstract Views 184
Citations 1
Citation Indexes 1
Repository URL:
http://publikace.k.utb.cz/handle/10563/1005043; http://hdl.handle.net/10563/1005043
Author(s):
Zatloukal, Martin; Martyn, Mike T.; Coates, Phil D.; Vlček, Jiří
Tags:
Chemical Engineering; Materials Science; Coextrusion; Modeling; Viscoelasticity
conference paper description
Fully viscoelastic FEM together with flow visualization technique are employed to quantify the effect of the die design on the wave type of interfacial instabilities in coextrusion. It has been shown experimentally that the minor channel geometry has a strong impact on the wave type of interfacial instabilities and the results can be correlated through novel criteria called as Total Stress Difference (TSN), which takes in to account the bulk change of the total stress in normal as well as tangential direction with respect to the interface.