| Topic |
Sub-topic |
| Introduction to materials. |
Definition of material. Present, past and future of materials. What is Materials Science and Technology and its multidisciplinary nature. Importance of materials in society: Ethical-social and environmental commitment.
Material properties. Material trends. Relationship between structure and properties. Selection of materials: technical-economic commitment and market value. |
Types of atomic bonds and derived properties
|
Types of bonds. Classification of materials. Atomic bond strength and derived properties. |
| Structure of crystalline materials |
Crystalline and amorphous materials. Main crystalline systems. Metallic crystalline structures: Cristal systems (BCC,FCC,HCP, polymorphism and alotropy). Covalent and ionic main structures. Determination of crystal structure (X-Ray diffraction) |
| Imperfections of crystal structure |
Crystal defects: Point defects, line defects, planar defects. Importance of crystal defects in the metal and ceramic properties. Microscopic techniques for the crystal defects identificacion. |
| Solid atomic diffusion and solidification process |
Diffusion mechanisms. Fick's laws. Diffusion factors. Industrial applications of diffusion processes: synthesis, doping of semiconductors, solidification (nucleation and growth). Basic concepts |
| Equilibrium phase diagrams (I). Introduction |
Gibbs law. Lever rule. Binary equilibrium diagrams. Types. Invariant solidification reactions. |
| Equilibrium phase diagrams (II): Solid state phase transformations in equilibrium |
Equilibrium solid-state transformations: Metallic and ceramic. Examples: Fe-C phase diagram. Microestructure evolution for cooling: steel and foundries. Types based on the carbon content.
|
| Hardness tests |
Hardness: Concept. Shore test. Macrohardness test: Brinell, Rockwell and Vickers. Microhardness test: Vickers y Knoop. Standarization. Comparison between different test procedures. |
| Basic deformation characteristics |
Types of deformation: elastic, anelastic, viscoelastic and plastic. Mechanisms of deformation: viscous flow, slip and crystal twinning. |
| Tensile test, compression and flexion |
Tensile test: Standarization. Conventional tensile test curve. Mechanical properties derived. Real tensile-deformation curve. Acritude coefficient. Comparison of tensile behaviour in different materials. Compression and flexion tests: Standarizarion. Characteristics. Comparison of their behaviour between different materials. |
| Polymeric materials |
Plastic composition. Properties of the most important polymers. Applications. Recycling. Adhesives. |
| Ceramic and composite materials |
Vitreous ceramics. Clay products. Structural ceramics and porcelain. Refractory ceramics. Abrasive Ceramics. Cements and concretes. Advanced technological ceramic.
|
Laboratory session 1. Webquest
|
Introduction to materials: Search for information in order to complete sheets about different materials, which must be presented orally for evaluation. The student must use different online databases, whose use and quality will be later qualified by the teacher. |
| Laboratory session 2. Mechanical tests: Hardness |
Hardness coefficient determination of different metallic materials: Brinell, Rockwell and Vickers. Micro-hardness profile (Vickers) of a cemented test probe. Hardness coefficient determination for different plastic materials. Shore test (A and D) |
| Laboratory session 3. Mechanical tests: Tensile |
Introduction to tensile tests. Tensile-Elongation diagrams. Young's modulus determination and resilient modulus through Tensile-elongation diagrams. |
| Laboratory session 4-5. Metallographic study of metals, iron and aluminum alloys. |
Introduction to metallography. Test probes preparation and optical microscope handling. Metallographic observation of test probes: monophasic-biphasic alloys, steel, iron and aluminium. |
| Laboratory session 5. Phase diagrams. |
Development of phase diagrams for a binary alloy using the cooling curves.
|
| Laboratory session 6. Synthesis and properties |
Addition and condensation polymerization. Characteristics observation. Observation of temperature increase behaviour
|
