I will explain the Castro-Macosko viscosity model, which is often used in CAE!
Thermosetting resins undergo molecular bonding as the reaction progresses, making the molecules less mobile, which results in an exponential increase in viscosity and a transition from liquid to solid at the gel point. When the effects of shear rate and temperature are added, the actual molding process exhibits very complex viscosity changes. In this column, we will explain the Castro-Macosko viscosity model, which is commonly used in CAE. [Contents] ■ Castro-Macosko Viscosity Model ■ Viscosity Increase Equation Due to Curing Reaction ■ Shear Rate Dependency of Viscosity ■ Temperature Dependency of Viscosity ■ Calculation Examples *For detailed content of the column, please refer to the related links. For more information, feel free to contact us.
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