Materials and Recycling

Scholar Year: 2015/2016 - 2S

Occurrence: 2015/2016 - 2S

Courses

Teaching - Hours Theorethical and Practical classes: 4 Type Teacher Classes Hours Theorethical and Practical classes Totals 1 4,00 Mafalda Guedes   4,00

Responsibilities Teacher Responsability Ana Mafalda Saldanha Guedes Head

Teaching weeks:

15

Teaching language

Portuguese

Aims

Provide the students with general knowledge on engineering materials, their characteristics and properties and their processing and recycling techniques.

Program

1. FUNDAMENTS (12h)
1.1. Classification of engineering materials.
1.2. Interatomic bonding. Primary interatomic bonds: covalent, ionic, metallic. Secondary bonds.
1.3. Crystalline and noncrystalline solids.
1.4. Atomic packing. Density.
1.5. Crystal structures. Crystallographic directions and planes.
1.6. Polycrystalline materials. Grain and grain boundary.
1.7. Crystal defects. Point defects, linear defects, volume defects.
1.8. Phase diagrams. Thermodynamic basis. Solidification. Diffusion. Solid state reactions. Binary systems and ternary systems.

2. MECHANICAL PROPERTIES AND TESTING (6h)
2.1. Stress-strain behaviour. Elastic properties of materials. Plastic deformation.
2.2. Hardness. Hardness tests: Rockwell, Vickers and Brinnel.
2.3. Impact. Resilience and toughness. Impact tests: Charpy e Izod.
2.4. Fatigue. S-N curve.

3. METALS AND METAL ALLOYS (8h)
3.1. Steels. Fe-C phase diagram.
3.2. Nonferrous alloys.
3.3. Mechanical properties and behaviour.
3.4. Corrosion and degradation of metals. Protection.

4. CERAMICS AND GLASSES (8h)
4.1. Technical ceramics, traditional ceramics and glasses.
4.2. Ceramic structures. Nucleation and grain growth. Crystallisation. Vitrification. Sintering.
4.3. Mechanical properties and behaviour.
4.4. Processing and applications.

5. POLYMERS (8h)
5.1. Thermoplastic, thermosetting and elastomers.
5.2. Composition and structure.
5.2. Mechanical properties and behaviour.
5.3. Processing.

6. COMPOSITE MATERIALS (6h)
6.1. Matrix and reinforcement. Reinforcement geometry.
6.2. Specific mechanical properties.
6.3. Fibre reinforced composites.
6.4. Structural composites. Laminar composites. Sandwich panels.

7. MATERIALS RECYCLING (10h)
7.1. Recycling types. Chemical recycling and physical recycling. Properties degradation.
7.2. Recycling of metals.
7.3. Recycling of ceramics. Glass recycling.
7.4. Recycling of plastics.
7.5. Recycling of composites.

Assessment method

Assement and Attendance registers

Primary Bibliography

BRANDRUP, J. ;Recycling and Recovery of Plastics, Hanser Publishers, 1996 ASM Handbook vol.1 - Properties and Selection: Irons, steels and high performance alloys, ASM International, 1990 ASM Handbook vol.2 - Properties and Selection: Non-ferrous alloys and special purpose materials, ASM International, 1990