Materials and processes for design
Academic year and teacher
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- Versione italiana
- Academic year
- 2021/2022
- Teacher
- VALENTINA MAZZANTI
- Credits
- 6
- Didactic period
- Secondo Semestre
Training objectives
- Main objectives
1. Provide fundamentals of the main constituents of composite materials and their principal technologies
2. Provide elements of structural calculation usable for composite materials Prerequisites
- None
Course programme
- Modulo: Progettazione Integrata di Prodotto e di Processo
- Beam Theory and stresses
- Structures working in the Elastoplastic field
- Notes on Elasticity theory
- Mechanical characteristics of materials and notes on laboratory tests for their characterization
- The phenomenon of fatigue failure, internal and external factors that influence the life of an object
- The carving effect and ideal tension
- Notes on the finite element method and use of calculation models
Modulo: Tecnologie e materiali per la sostenibilità
Composite materials: definition. Classification. Semi-finished products. Advantages and disadvantages of composite materials
Fibers and matrices: carbon, glass and aramid fibers. Epoxy and polyester polymeric matrices. Metallic matrices. Ceramic matrices
Composites as anisotropic materials: mechanical properties. Elastic modules, cutting modules and Poisson's coefficients. Mechanical resistance.
Unidirectional sheet micromechanics. Rule of mixtures in series and parallel for the determination of the modules. Estimation of tensile strength in longitudinal and transverse direction.
Failure phenomena
Composite technology. Manual impregnation, layering of prepregs and autoclave care, compression molding, pultrusion, winding, resin transfer molding (RTM).
Design of a product using a composite material of those described in the course Didactic methods
- Classroom lessons. The topics of the course are presented through a power point presentation. The theoretical parts of the course are always followed by a classroom practice.
Learning assessment procedures
- Exam
The exam is aimed at verifying the level of achievement of the training objectives of the course.
In particular, the exam consists of:
1. A questionnaire containing multiple choice questions on the course topics
2. Brief interview about projects based on classroom exercises
Overcoming phase 1. is essential to proceed to phases 2 of the test.
The exam is passed if both phases are considered positive Reference texts
- Bibliography
-Course notes
-Materiali per il Design – Introduzione ai materiali e alle loro proprietà. A cura di B. Del Curto e C. Marano. Casa Editrice Ambrosiana. ISBN 978-88-08-18400-9
- Materiali compositi, I. Crivelli Visconti, Edizione Hoepli
-Costruzione di Macchine Prof. Antonio Strozzi (Ed. Pitagora), Appunti di costruzione di Macchine Prof. Bruno Atzori (ed. Libreria Cortina)
