Article (Scientific journals)
Investigation of the Sharkskin melt instability using optical Fourier analysis
Gansen, Alex; Rehor, Martin; Sill, Clemens et al.
2019In Journal of Applied Polymer Science, 137 (24), p. 48806
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Keywords :
optical analysis; rheology; rubber compound
Abstract :
[en] An optical method allowing the characterization of melt flow instabilities typically occurring during an extrusion process of polymers and polymer compounds is presented. It is based on a camera‐acquired image of the extruded compound with a reference length scale. Application of image processing and transformation of the calibrated image to the frequency domain yields the magnitude spectrum of the instability. The effectiveness of the before mentioned approach is shown on Styrene‐butadiene rubber (SBR) compounds, covering a wide range of silica filler content, extruded through a Göttfert capillary rheometer. The results of the image‐based analysis are compared with the results from the sharkskin option, a series of highly sensitive pressure transducers installed inside the rheometer. A simplified version of the code used to produce the optical analysis results is included as supplementary material.
Disciplines :
Materials science & engineering
Physics
Author, co-author :
Gansen, Alex ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Rehor, Martin ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Sill, Clemens;  Goodyear Innovation Center Luxembourg
Polinska, Patrycja;  Goodyear Innovation Center Luxembourg
Westermann, Stephan;  Goodyear Innovation Center Luxembourg
Dheur, Jean;  Goodyear Innovation Center Luxembourg
Hale, Jack  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit
Baller, Jörg ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
External co-authors :
no
Language :
English
Title :
Investigation of the Sharkskin melt instability using optical Fourier analysis
Publication date :
19 December 2019
Journal title :
Journal of Applied Polymer Science
ISSN :
1097-4628
Publisher :
John Wiley & Sons, Hoboken, United States - New York
Volume :
137
Issue :
24
Pages :
48806
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Physics and Materials Science
FnR Project :
FNR11617214 - Incorporation Of Slip Boundary Conditions In Extruder Flow Channel Modelling, 2017 (01/10/2017-30/09/2019) - Jörg Baller
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since 06 January 2020

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