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Thermoviscoelastic Calculation of Residual Stresses and Residual Shapes of Injection Molded Parts**
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K. K. Kabanemi
Veröffentlicht/Copyright:
27. Mai 2013
Abstract
The present paper describes a three-dimensional finite element method for calculating thermoviscoelastic stresses generated during cooling of injection molded parts. The initial temperature field corresponds to the end of the filling stage. The fully time-dependent algorithm is based on the calculation of the elastic response at every time step. The time-temperature equivalence is assumed for the non-isothermal behavior. At the end of the calculation, one obtains the residual stresses and the shape of molded parts at room temperature. The method is illustrated by means of four examples.
Received: 1991-6
Accepted: 1991-10
Published Online: 2013-05-27
Published in Print: 1992-03-01
© 1992, Carl Hanser Verlag, Munich
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Artikel in diesem Heft
- Contents
- Contents
- Internal and Continuous Mixers
- Model Development for an Internal Mixer
- Simulation of Flow in a Farrel Continuous Mixer
- Extrusion
- Influence of Process Data on the Throughput of Large Extruders within the Range of 600 to 6 000 kg/h
- Conveying and Melting in Screw Extruders with Axial Screw Movement
- Thermo-viscous Effects in Extrusion of Planar Jets with Solidification
- Film
- Dynamics and Stability of Double Bubble Tubular Film Extrusion
- Melt Strength Behavior of Polyethylene Blends**
- Optical Properties and Orientation Development in Uniaxially Stretched Syndiotactic Polystyrene from Amorphous Precursors
- Molding
- Thermoviscoelastic Calculation of Residual Stresses and Residual Shapes of Injection Molded Parts**
- Analysis and Simulation of Structural Reaction Injection Molding (SRIM)
- Crystal Orientation in Injection Moldings of Flaky Filler-Filled Polypropylenes
- Erratum
- Molecular Orientation in Injection-molded Polypropylene Copolymers with Ethylene
Artikel in diesem Heft
- Contents
- Contents
- Internal and Continuous Mixers
- Model Development for an Internal Mixer
- Simulation of Flow in a Farrel Continuous Mixer
- Extrusion
- Influence of Process Data on the Throughput of Large Extruders within the Range of 600 to 6 000 kg/h
- Conveying and Melting in Screw Extruders with Axial Screw Movement
- Thermo-viscous Effects in Extrusion of Planar Jets with Solidification
- Film
- Dynamics and Stability of Double Bubble Tubular Film Extrusion
- Melt Strength Behavior of Polyethylene Blends**
- Optical Properties and Orientation Development in Uniaxially Stretched Syndiotactic Polystyrene from Amorphous Precursors
- Molding
- Thermoviscoelastic Calculation of Residual Stresses and Residual Shapes of Injection Molded Parts**
- Analysis and Simulation of Structural Reaction Injection Molding (SRIM)
- Crystal Orientation in Injection Moldings of Flaky Filler-Filled Polypropylenes
- Erratum
- Molecular Orientation in Injection-molded Polypropylene Copolymers with Ethylene
