PLASTIC MATERIALS DESIGN AND TECHNOLOGY<br />
Academic year and teacher
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- Versione italiana
- Academic year
- 2022/2023
- Teacher
- VALENTINA MAZZANTI
- Credits
- 6
- Didactic period
- Primo Semestre
- SSD
- ING-IND/22
Training objectives
- The main objective of the course is to provide skills regarding the design with polymeric materials, transformation technologies and the main classes of polymers.
Prerequisites
- Polymeric Materials course
Course programme
- Advantages and disadvantages of plastics. Solid state properties of plastics. Components obtained by injection molding: uniform, thin thicknesses. Failure. Reinforcement with ribs. Assembly methods. Welding: hot tool, spin welding, ultrasonic, vibrational, with lost conductors. Elastic joints. Transformation technologies: extrusion, injection molding, blow molding, thermoforming, rotational molding, filming, 3D printing. Estimation of cooling time in the mold for injection molded components. Estimation of shrinkages, cooling cycle. Additives. Main plastic materials: polyolefins, styrenics, polyvinyl chloride. Polyamides, polyesters, polyacetal, polycarbonate, acrylics. High performance polymers. Elastomers and foams, polyurethanes. Tutorial on the use of software for the simulation of injection molding (Moldflow).
Didactic methods
- Lectures, laboratory lessons and company visit. Use of Moldflow software for injection molding simulation.
Learning assessment procedures
- Oral exam and discussion of the design project of a plastic part chosen by the student
Reference texts
- Polymer Processing, D.H. Morton-Jones, Chapman and Hall
Principles of Polymer Engineering, McCrum, Buckley and Bucknall, Oxford Science Publications
Plastics Materials, Brydson's
Product Design and Process Engineering, Belofsky
