Course Details
Subject {L-T-P / C} : CR6104 : Advanced Processing of Ceramics { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Partha Saha
Syllabus
Module 1: Ceramic fabrication processes: Ceramic fabrication processes, particle size reduction, particle size distribution, jaw crusher, hammer mill, high impact roller crusher, ball mill, jet mill, roller mill, high energy mechanical milling, spray drying, spray pyrolysis, freeze drying, directed metal oxidation, polymer pyrolysis, glycine-nitrate, Pechini method, chemical vapor deposition for powder synthesis.
8 Hours
Module 2: Reaction models and kinetics: Solid-state decomposition, isothermal reaction, Jander’s law, Carter’s law, geometrical contraction models, order of the reactions, solid-state reaction, Johnson–Mehl–Avrami–Kolmogorov (JMAK) equation, Lamer diagram, Ostwald ripening.
6 Hours
Module 3: Role of particle packing and shape forming methods: Forming of Ceramics: particle packing, regular and random packing, particle size distribution Dinger-funk model, Andreasen method additives in ceramic forming, dry and semi-dry pressing, isostatic compaction, slip casting, pressure casting, gel casting, tape casting, extrusion, injection molding, viscosity and rheology of ceramic suspension and slurry.
7 Hours
Module 4: Sol-gel phenomena: sol-gel phenomena, particulate gel, polymeric gel, pH stability diagrams, shrinkage during dying of gel, role of plasticizers, binders, surfactants, foaming and antifoaming agents, drying behavior of ceramics: binder removal, drying defects, drying shrinkage, advanced drying technologies.
7 Hours
Module 5: Colloidal processing: Colloidal Processing: basic surface forces, Hamekar constant, DLVO theory, double-layer formation, Stern layer, zeta potential, Debye length, stabilization phenomena of colloidal suspensions, electrostatic stabilization, electrical double layer theory, zeta potential, electrophoresis, steric stabilization, electrosteric stabilization, rheology of colloidal suspension and ceramic slurry.
8 Hours
Course Objectives
- To provide in-depth knowledge of various ceramic materials synthesis routes.
- To gain in-depth knowledge about the fundamentals of different shape-forming methods.
Course Outcomes
CO1: Apply the theoretical knowledge imparted during the course to carry out independent research and developmental work related to ceramic materials synthesis in the bulk, porous, and powder form for energy and environmental applications. <br /> <br />CO2: To be well versed with fundamental theories of ceramic processing phenomena adopted by industries. <br /> <br />CO3: Prepare future materials scientists and engineers who can fit in academia and industry for relevant scientific breakthroughs. <br /> <br />CO4: Able to design conventional and advanced ceramics materials for future technological needs. <br /> <br />CO5: Solve numerous problems and case studies related to mechanochemical milling, drying, shrinkage, particle packing, slip casting, colloidal processing phenomena, etc.
Essential Reading
- M. N. Rahaman, Ceramic Processing and Sintering,, CRC Press, 2003
- J.S. Reed, Introduction to the Principles of Ceramic Processing, 2nd Ed.,, John Wiley & Sons. 1995
Supplementary Reading
- D. W. Richerson, Modern Ceramic Engineering: Properties, Processing, and Use in Design, 3rd ed,, CRC Press, 2006.
- D. A. Brosan and G. C. Robinson, Introduction to Drying of Ceramics,, The American Ceramic Society, Ohio, USA, 2003.
Journal and Conferences
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