Processing & ManufacturingLesson 0619 PPE Syllabus Aligned
Melt Fracture, Sharkskin, and Flow Instabilities: Physics, Diagnostics & Mitigation
Flow instabilities in extrusion — sharkskin, gross melt fracture, slip-stick oscillation — their causes, critical shear stress values, and industrial solutions.
~35 min technical deep-dive·Standard Indian Curricula (CIPET / Anna Univ / ICT)
01 · Why This Matters in Industry & GATE XE5
Applied directly across petrochemical refining, compounding plants, mold-flow simulations, and automotive part manufacturing (e.g., Reliance Industries, Supreme Petrochem, IOCL, CIPET testing protocols).
1
Molecular Mechanism: Master conformational physics, transition temperatures, and reaction kinetics.
2
Process & Quality: Predict viscosity behavior, solve moulding defects, and apply ASTM/ISO testing standards.
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