Thermal birefringence in freely quenched multilayered slabs of amorphous polymers: Experiment and simulation

2013 ◽  
Vol 54 (9) ◽  
pp. 2097-2111
Author(s):  
Nam Hyung Kim ◽  
Avraam I. Isayev
Keyword(s):  
Amorphous Polymers ◽  
Thermal Birefringence ◽  
Experiment And Simulation

Modelling the Packing Cooling Stage in Injection Molding of Amorphous Polymers

1988 ◽  
Vol 3 (4) ◽  
pp. 184-190 ◽  
Author(s):  
D. Huilier ◽  
J. Terrisse ◽  
M.-E. de la Lande ◽  
A. Latrobe
Keyword(s):  
Injection Molding ◽  
Amorphous Polymers ◽  
Cooling Stage

Prediction of Zero-Shear Viscosity of Linear Polybutadienes from the Crossover Point Using Doi-Edwards Theory

1988 ◽  
Vol 61 (5) ◽  
pp. 812-827 ◽  
Author(s):  
Ramesh R. Rahalkar ◽  
Henry Tang
Keyword(s):  
Shear Viscosity ◽  
Amorphous Polymers ◽  
Simple Expression ◽  
Crossover Frequency ◽  
Crossover Point ◽  
Zero Shear Viscosity ◽  
Plateau Modulus ◽  
Good Agreement

Abstract Based upon the Doi-Edwards theory, a simple expression has been obtained for zero-shear viscosity in terms of the plateau modulus and the crossover frequency. There are no adjustable parameters in the expression. The model is in very good agreement with the zero-shear viscosity values for linear polybutadienes, the typical discrepancy being ∼5–10%. If the model can be validated for other linear amorphous polymers, it may become possible to estimate the zero-shear viscosity by measuring a single Theological parameter (the crossover frequency).

Experiment and Simulation of Erosion Behavior and Deformation Characteristics in Al6061-T6 Beam Due to Rhomboid Particle Impacts

2021 ◽  
Vol 69 (3) ◽  
Author(s):  
Mingchao Du ◽  
Zengliang Li ◽  
Xiangwei Dong ◽  
Chunyong Fan ◽  
Jiaqi Che ◽  
...  
Keyword(s):  
Deformation Characteristics ◽  
Erosion Behavior ◽  
Experiment And Simulation
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