Analysis and Simulation of the Free-Stretch-Blow Process of PET

J. Nixon; S. Yan; Gary MENARY

doi:10.4028/www.scientific.net/KEM.554-557.1729

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 554-557Analysis and Simulation of the Free-Stretch-Blow...

Analysis and Simulation of the Free-Stretch-Blow Process of PET

Abstract:

This paper is concerned with understanding the behaviour of Polyethylene Terephthalate (PET) in the injection stretch blow moulding (ISBM) process where it is typically bi-axially stretched to form bottles for the packaging industry. Preforms which have been pre sprayed with a pattern and heated in an oil bath have been stretched and blown in free air using a lab scale ISBM machine whilst being monitored via high speed video. The images have subsequently been analysed using a digital image correlation system (VIC 3D). The results have been used to validate appropriate simulations of the free-blow process using ABAQUS®/Explicit FEA with a suitable viscoelastic material model, along with experimental process data obtained using an instrumented stretch rod.

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Periodical:

Key Engineering Materials (Volumes 554-557)

Pages:

1729-1737

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.554-557.1729

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Cite this paper

Online since:

June 2013

Authors:

J. Nixon, S. Yan, Gary MENARY

Keywords:

ABAQUS, Digital Image Correlation (DIC), ISBM, PET, Viscoelastic

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