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RISSimulation of Slump in Plastic Pipe Extrusion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Extruded plastic pipe leaving an annular die is solidified in a long cooling tank by spraying the outer surface with cold water. The inside surface can take a long time to solidify as the ...
A Spectral Element Simulation of Gravitational Flow During Plastic Pipe Extrusion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: When plastic pipe is extruded, it emerges from an annular die and passes through a sizing sleeve to set its outer diameter. The pipe is then solidified in a cooling tank by spraying the ...
The Transition to Quasi-Periodicity for Molten Plastics in Large Amplitude Oscillatory Shear
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Large amplitude oscillatory shear (LAOS) experiments on three grades of LLDPE including one commercial film blowing resin showed an interesting transition in the shear stress response to LAOS. ...
How Affine is the Entanglement Network of Molten Low-Density Polyethylene in Large Amplitude Oscillatory Shear?
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nonlinear viscoelastic behavior of molten plastics is often attributed to interactions between long-chain molecules. Entanglement theories model this behavior with a network of junctions. Whether ...
The Role of Temperature in the Entanglement Kinetics of a Polymer Melt
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Large-amplitude oscillatory shear (LAOS) experiments were conducted at different temperatures on a molten low-density polyethylene standard, designated IUPAC LDPE X. Jeyaseelan et al. (1993) have ...