Unit CERAMIC MATERIALS
- Course
- Chemistry
- Study-unit Code
- A000700
- Curriculum
- In all curricula
- Teacher
- Fabio Marmottini
- Teachers
-
- Fabio Marmottini
- Hours
- 42 ore - Fabio Marmottini
- CFU
- 6
- Course Regulation
- Coorte 2017
- Offered
- 2019/20
- Learning activities
- Affine/integrativa
- Area
- Attività formative affini o integrative
- Academic discipline
- CHIM/07
- Type of study-unit
- Opzionale (Optional)
- Type of learning activities
- Attività formativa monodisciplinare
- Language of instruction
- Italian
- Contents
- Basic knowledge on the ceramic materials with particular reference to those traditional. Chemical and physical transformation of these materials during their uses will be taking into account.
- Reference texts
- A.R. WestSolid State Chemistry and its Applications John Wiley & Sons Ltd. 1989
- Educational objectives
- The principal aim of the course is that to supply to the students the basic concepts of the solid state chemistry necessary for the study and the comprension of the ceramic material structure and properties.
- Prerequisites
- The student must possess basic knowledges of atomic and molecular structure, chemical bonds, thermodynamic and chemical kinetic acquired with the General Chemistry course.
- Teaching methods
- Frontal lessons
- Learning verification modality
- Oral exam
- Extended program
- Introduction: Definitions and classification. Historical notes and principal uses of the ceramic materials. Traditional and innovative ceramics. Crystalline structures: spinel, rutile, alumina. The silicates and their structures: ortosilicates, sorosilicates, cyclosilicates, fillosilicates, inosilicates, tectosilicates. Silica structures. Feldspars and zeolites. The clays: Kaolinite, Halloysite, Kyanite, Montmorillonite. The micas. Thermal behaviour of the materials: Appeals to the thermodynamic. Phase diagrams solid-solution for two components systems. Eutectics and peritectics. Phase transitions. Glass transition. Diffusion and mass transport in the solids. Chemical and physical transformation related to heating and cooling rate of a material. State diagrams: SiO2, SiO2-Al2O3, Fe2O3-SiO2, MgO-SiO2, CaO-MgO, CaO-SiO2, MgO-SiO2-Al2O3, K2O-SiO2-Al2O3.Mechanical behaviour of the materials notes: Elastic and plastic behaviour, Elastic module, fragile and ductile breaking.Traditional ceramic materials: Functional and morphological classification.Raw materials: Characterization of the raw materials with particular reference to traditional ceramics: chemical and mineralogical composition, granulometry, reology. Preparation of the ceramic mixture and moulding: Grinding, homogenization, moisture regulation. Powder pressing, plastic moulding, casting.Drying, decoration/glazing and firing of traditional ceramics: Drying. Function of the glazes. Types, composition and structure of the ceramic glazes.Properties of the ceramic materials: Thermal and thermal conductibility properties. Mechanical properties. Porosity.Binding materials: non-hydraulic and hydraulic binding materials. Raw materials and production of the Portland cement. Chemistry of the binding materials and notation. Notes on the hydration reaction of the Portland cement. Porosity and structure of the hydrated cement gel. Notes on the mechanical strength and structure correlation. Innovative ceramic materials and their uses: alumina, zirconia, silicon nitride, silicon carbide and diamond