Understanding the Behaviour of PET in Stretch Blow Moulding

Research output: Contribution to conferencePaper


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). Results are presented showing the typical deformation modes and strain rates encountered in the ISBM process.
Original languageEnglish
Publication statusPublished - 14 Sept 2012
EventPMI2012 - Ghent, Belgium
Duration: 13 Sept 201214 Sept 2012




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