Re-distribution of residual stress in polymer extrusion: An eccentric approach

The development of residual stresses in plastic pipes due to post-die cooling rate differences of the polymer melt was investigated using concentric and eccentric circular geometries in the shape of an annular tube. Heat transfer simulations were performed to understand the effect of non-uniform wal...

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Autores principales:	Suleyman Deveci, Birkan Eryigit, Susanne Nestelberger
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Polymers and polymer manufacture TP1080-1185
Acceso en línea:	https://doaj.org/article/e8bcd7e9ff6648c3a5c5b128c88a0413
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spelling	oai:doaj.org-article:e8bcd7e9ff6648c3a5c5b128c88a04132021-11-24T04:25:25ZRe-distribution of residual stress in polymer extrusion: An eccentric approach0142-941810.1016/j.polymertesting.2020.106971https://doaj.org/article/e8bcd7e9ff6648c3a5c5b128c88a04132021-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0142941820322005https://doaj.org/toc/0142-9418The development of residual stresses in plastic pipes due to post-die cooling rate differences of the polymer melt was investigated using concentric and eccentric circular geometries in the shape of an annular tube. Heat transfer simulations were performed to understand the effect of non-uniform wall thickness on the temperature and residual stress profiles of melt solidified polymers. Residual stress measurements and thermal analysis of the end products and heat transfer simulation of the post die cooling process were evaluated to understand the change in stress state in the polymer products as a function of temperature. This was done through an example of extruded high-density polyethylene pipes using an industrial scale extrusion line. The outcome of this research helps better understanding of the melt solidification process and its effect on application related properties in a way that was never presented before.Suleyman DeveciBirkan EryigitSusanne NestelbergerElsevierarticlePolymers and polymer manufactureTP1080-1185ENPolymer Testing, Vol 93, Iss , Pp 106971- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Polymers and polymer manufacture TP1080-1185
spellingShingle	Polymers and polymer manufacture TP1080-1185 Suleyman Deveci Birkan Eryigit Susanne Nestelberger Re-distribution of residual stress in polymer extrusion: An eccentric approach
description	The development of residual stresses in plastic pipes due to post-die cooling rate differences of the polymer melt was investigated using concentric and eccentric circular geometries in the shape of an annular tube. Heat transfer simulations were performed to understand the effect of non-uniform wall thickness on the temperature and residual stress profiles of melt solidified polymers. Residual stress measurements and thermal analysis of the end products and heat transfer simulation of the post die cooling process were evaluated to understand the change in stress state in the polymer products as a function of temperature. This was done through an example of extruded high-density polyethylene pipes using an industrial scale extrusion line. The outcome of this research helps better understanding of the melt solidification process and its effect on application related properties in a way that was never presented before.
format	article
author	Suleyman Deveci Birkan Eryigit Susanne Nestelberger
author_facet	Suleyman Deveci Birkan Eryigit Susanne Nestelberger
author_sort	Suleyman Deveci
title	Re-distribution of residual stress in polymer extrusion: An eccentric approach
title_short	Re-distribution of residual stress in polymer extrusion: An eccentric approach
title_full	Re-distribution of residual stress in polymer extrusion: An eccentric approach
title_fullStr	Re-distribution of residual stress in polymer extrusion: An eccentric approach
title_full_unstemmed	Re-distribution of residual stress in polymer extrusion: An eccentric approach
title_sort	re-distribution of residual stress in polymer extrusion: an eccentric approach
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/e8bcd7e9ff6648c3a5c5b128c88a0413
work_keys_str_mv	AT suleymandeveci redistributionofresidualstressinpolymerextrusionaneccentricapproach AT birkaneryigit redistributionofresidualstressinpolymerextrusionaneccentricapproach AT susannenestelberger redistributionofresidualstressinpolymerextrusionaneccentricapproach
_version_	1718416009016115200

Re-distribution of residual stress in polymer extrusion: An eccentric approach

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