| (*)Rheological Behavior and Material Processing:
Students can critically evaluate the rheological behavior of polymer melts under rotational shear and frequency sweep conditions to optimize processability for advanced applications. (k3, k5)
Experimental Design and Data Interpretation:
Students are able to design appropriate experiments to characterize the viscous and elastic behavior of polymers, interpret results, and correlate findings with processing outcomes. (k2, k5)
High-Shear Behavior and Flow Instabilities:
Students can analyze shear-thinning and viscoelastic behavior under high shear conditions, predict processing outcomes, and adapt conditions to resolve flow instabilities such as sharkskin and stick-slip. (k3, k5)
Extrusion and Injection Molding Analysis:
Students can analyze pressure-throughput behavior in extrusion systems using experimental data and theoretical models. They can also evaluate transport phenomena in single-screw extrusion, including melting and melt conveying. (k4, k5)
Injection Molding Optimization:
Students can analyze injection molding tools, design statistical experimental plans (DoE), conduct systematic experiments, and optimize process parameters to achieve desired outcomes. (k4, k5, k6)
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| (*) Design and implement experimental setups for rotational rheometry, accounting for factors like thermal gradients and shear-dependent viscosity. (k5)
Define and execute workflows for rheological characterization tailored to specific output requirements. (k4, k5)
Conduct capillary rheometry experiments, applying corrections like Bagley and Weissenberg-Rabinowitsch for viscosity measurements. (k3, k5)
Analyze pressure-throughput behavior in extrusion processes and compare experimental results with theoretical models. (k3, k4)
Evaluate high-shear rheological data to address processing challenges and determine optimal ranges for extrusion and injection molding. (k4, k5)
Apply analytical techniques to measure and interpret melting and melt conveying performance in screw extrusion systems. (k3)
Develop spreadsheet-based analytical models to predict pressure-throughput and melting performance in extrusion systems. (k4)
Correlate modeling results with experimental observations, explaining causes and discrepancies. (k4)
Assess design requirements for injection molding tools and evaluate them against process demands. (k5)
Plan and execute full-factorial Design of Experiments (DoE) for injection molding processes. (k6)
Operate injection molding machines to conduct experiments independently. (k3)
Statistically evaluate and assess experimental data from injection molding processes. (k4, k5)
Optimize injection molding process parameters using DoE results and interpret critical findings. (k5, k3)
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(*)Advanced Rheometry:
Comprehensive understanding of rotational rheometry, high-pressure capillary concepts, and shear-rate-dependent viscosity under low to high shear rates. (k3, k4)
Capillary Rheometry Implications:
Demonstrate an understanding of flow instabilities and die swell, their effects on polymer processing outcomes, and strategies for their mitigation. (k2, k3)
Extrusion Fundamentals:
Knowledge of the relationships between screw geometry, pressure gradients, polymer melting, and mixing behavior in single-screw extrusion systems. (k3, k4)
Injection Molding Basics:
Understanding of the design, construction, and functionality of injection molding tools. (k2)
Statistical Experimentation:
Explain the principles and methods of statistical Design of Experiments (DoE) and their application to injection molding. (k2, k3)
Transport Processes in Extrusion:
Understanding of melting and melt conveying in single-screw extruders, including their dependency on material properties, screw design, and process parameters. (k2, k3)
Analytical Modeling:
Fundamental knowledge of analytical approaches to predict pressure-throughput behavior and melting performance in single-screw extrusion systems. (k2, k3)
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