Viscoplastic Material Modeling for the Stretch Blow Molding Simulation
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S. Wang
Abstract
In this paper, the viscoplastic material model of PET (polyethylene terephthalate), which is intended to be used in the FEM (finite element method) simulation of stretch blow molding process, has been studied. Material tests of PET were performed with the constant strain rates varying from 0.01 to 1 (1/s), at temperatures ranging from 90 to 150 °C, based on the obtained data a two-stage model was proposed. The proposed model could precisely take into account the effects of strain hardening, strain rate sensitivity, variation of the hardening index, and temperature dependency. This model has been implemented into the nonlinear finite element code PBLOW3D, which is developed in the Riken, and its performance in the stretch blow molding simulation has been studied. It has been demonstrated that the proposed material model provides significant improvements, compared with two existing material models, in the simulation of the blow molding process of PET bottles.
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© 2000 Walter de Gruyter GmbH, Berlin/Boston, Germany
Artikel in diesem Heft
- Contents
- Editorial
- Second of a Series: Pioneering Polymer Industry Developments—The IG Farbenindustrie and the Establishment of Synthetic Rubber
- Screw extrusion/mixing
- Analysis of Mixing in Corotating Twin Screw Extruders through Numerical Simulation
- Melt Conveying in Co-rotating Twin Screw Extruders
- The Adjustable Grooved Feed Extruder
- Reactive Extrusion
- Hydrolytic Depolymerization of Polyethylene Terephthalate by Reactive Extrusion
- Effect of Conversion on Chain Addition Copolymerizations Performed in a Backmixed Drag Flow Extruder Reactor
- Fiber and film
- Single and Double Bubble Tubular Film Extrusion of Polybutylene Terephthalate
- Molding
- Viscoplastic Material Modeling for the Stretch Blow Molding Simulation
- The Effects of Compression Pressure on Injection Compression Molding
- Numerical Simulation of Compression Molding of UHMWPE
- Numerical Simulation of Compression Molding of UHMWPE
- Mechanical Properties of Isotactic Polypropylene with Oriented and Cross-hatched Lamellae Structure
- Morphological Characterisation of Long Glass Fibre Composites for the Thermoforming Process
- PPS News
- PPS News
- Professional news
- New Petrochemical Complexes
Artikel in diesem Heft
- Contents
- Editorial
- Second of a Series: Pioneering Polymer Industry Developments—The IG Farbenindustrie and the Establishment of Synthetic Rubber
- Screw extrusion/mixing
- Analysis of Mixing in Corotating Twin Screw Extruders through Numerical Simulation
- Melt Conveying in Co-rotating Twin Screw Extruders
- The Adjustable Grooved Feed Extruder
- Reactive Extrusion
- Hydrolytic Depolymerization of Polyethylene Terephthalate by Reactive Extrusion
- Effect of Conversion on Chain Addition Copolymerizations Performed in a Backmixed Drag Flow Extruder Reactor
- Fiber and film
- Single and Double Bubble Tubular Film Extrusion of Polybutylene Terephthalate
- Molding
- Viscoplastic Material Modeling for the Stretch Blow Molding Simulation
- The Effects of Compression Pressure on Injection Compression Molding
- Numerical Simulation of Compression Molding of UHMWPE
- Numerical Simulation of Compression Molding of UHMWPE
- Mechanical Properties of Isotactic Polypropylene with Oriented and Cross-hatched Lamellae Structure
- Morphological Characterisation of Long Glass Fibre Composites for the Thermoforming Process
- PPS News
- PPS News
- Professional news
- New Petrochemical Complexes
