Ceramic and Glass Materials
Objectives
To understand the structure of different ceramic crystals (oxides, nitrides and carbides having important technological applications) and the structure of silicate minerals used in the manufacturing of traditional ceramics.
To understand the structure of glasses and the principles for glass formation. To understand the
typical compositions of the main types of commercial glasses.
To understand the effect of temperature on the structural transformations of ceramic systems.
To understand the determinant parameters controlling ceramic microstructure (surface energy, interfaces and grain boundaries).
To understand the interelationship amonf structure-microstructure-properties of ceramics and glasses.
To determine the effect of temperature on the structural transformations that occur in a ceramic system.
To evaluate the experimental conditions that lead to glass formation from ceramic oxide starting materials.
To evaluate the effect of the structure and microstructure of a ceramic material on the final properties.
To evaluate the effect of the composition on the final properties of a glass.
To be able to make a correlation among the scientific knowledge.To be able to discuss experimental data with a critical point of view.To be able to relate the scientific knowledge with specific technological applications.
General characterization
Code
7464
Credits
6.0
Responsible teacher
Maria Margarida Rolim Augusto Lima
Hours
Weekly - 4
Total - 69
Teaching language
Português
Prerequisites
To get frequency to this discipline it is necessary to attend the laboratory sessions (mandatory).and answer the questionnaires about practical work.
Bibliography
Richerson, D. W., & Lee, W. E. (2018), Modern Ceramic Engineering: Properties, Processing, and Use in Design (4ª ed.). CRC Press.
Rahaman, M. N. (2017), Ceramic Processing and Sintering (3ª ed.). CRC Press.
W. D. Kingery, Bowen, Uhlmman (1976), Introduction to Ceramics, 2nd ed. Ed. John Wiley &Sons.
Y-M Chiang, D. P. Birnie, W. D. Kingery (1996), Physical Ceramics: Principles for Ceramic Science and Engineering, John Wiley & Sons.
Shelby J. (2020), Introduction to Glass Science and Technology, Royal Society of Chemistry.
Tulyaganov D. , Baino F., Tomalino M. (2021), Ceramics, Glass and Glass-Ceramics: From Early Manufacturing Steps Towards Modern Frontiers, Springer International Publishing.
Teaching method
Theoretical exposition class with presentation of power point illustrations. Presentation of several case studies and practical application. Practical classes with the realization of problems in which the statement is previously provided. Clarification of the realization of problems. Carrying out laboratory work
Evaluation method
The assessment will consist of 2 written tests, T1 and T2, complemented by an assessment component (L) relating to questionnaires on the practical part and the student''s attendance (A) in classes T and TP. The weight of the assessment for T1 is 37.5%, for T2 (37.5%), for L (20%) and for A (5%). The final grade is calculated by N= 0.375T1+0.375T2+0.2L+0.05A. To be exempt from assessment by written exam (E), the value of N must be equal to or greater than 9.5 out of 20 values. In the case of an exam, the final grade is calculated N= 0.75E+0.2L+0.05A.
Subject matter
Ceramic crystal structure, silicate structure.
Structure of glasses (formation of a glass, glass transition temperature; typical compositions of oxide glasses). Defects in ceramics; surfaces, interfaces and grain boundaries.
Phase equilibrium in ceramic systems (review of concepts; diagrams of binary and ternary ceramic systems, crystallization sequences). Thermal properties of ceramics and glasses (thermal expansion; thermal conductivity; effects of composition, microstructure and porosity). Thermal insulators. Mechanical behavior of ceramics and glasses (elastic properties; brittle fracture; toughness; effect of microstructure; reinforcement of ceramics; thermal stresses and fracture; thermal shock; deformation at high temperatures).
Electrical properties of ceramics and glasses (electronic and ionic conductivity, electrical insulators, dielectric behavior, ferroelectric and piezoelectric behavior).
Optical properties of glasses (absorption and transparency, reflection and refraction, reflectivity, birefringence, optical dispersion).