POLYMERIC MATERIALS
Academic year and teacher
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- Versione italiana
- Academic year
- 2022/2023
- Teacher
- FRANCESCO MOLLICA
- Credits
- 6
- Didactic period
- Secondo Semestre
- SSD
- ING-IND/22
Training objectives
- The course is concerned about basic aspects of polymeric materials
Prerequisites
- Basic chemistry and mechanics of materials
Course programme
- General properties of plastics.
Chemical bonds. Morphology. Configuration and conformation. Molecular weight. Classification. Thermoplastics and thermosets. Transition temperatures: glass transition, melting, crystallization. Measurement.
Viscoelasticity and linear viscoelasticity. Isocronous curves. Creep compliance and relaxation modulus. Models with springs and dashpots. Time-temperature superposition.
Rubber elasticity. Elements of rheology and mechanics of Non-Newtonian fluids. Principle deviations from Newtonian behavior. Rheometry. Rotational rheometers. Capillary viscometer. Bagley and Rabinowitsch correction Didactic methods
- Lectures
Learning assessment procedures
- Written exam constituted by:
- 1 general question about polymeric materials morphology
- 1 general question about solid polymer behavior
- 1 general question about fluid polyer behavior
One of the above questions will be a numerical exercise Reference texts
- Class notes
Notes downloadable from the teacher
H. Belofsky - Plastics: Product design and process engineering - Hanser Gardner
