Instabilities and failure in elongational flow and melt spinning of fibers
- 1 November 1978
- journal article
- research article
- Published by Wiley in Journal of Applied Polymer Science
- Vol. 22 (11), 3057-3074
- https://doi.org/10.1002/app.1978.070221102
Abstract
A theoretical and experimental study of instability and failure behavior during melt spinning is presented. From an analysis of system dynamics, draw resonance is shown to be a continuous processing analogue of ductile failure. Using viscoelastic fluid mechanics and the White‐Metzner constitutive model, it is shown that melts which exhibit ductile failure in elongational flow tend to show draw resonance in melt spinning. Deformation hardening melts exhibit cohesive fracture in elongational flow and melt‐spinning processes.Keywords
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