Edited in July 2022 for submission to Academic Council.
Structure of materials – Structure of noncrystalline, crystalline, and liquid-crystalline states.
Fundamentals of crystallography, crystal systems, Bravais lattices, unit cells, crystallographic
planes and directions. Defects in crystalline materials: 0-D, 1-D and 2-D defects; vacancies,
interstitials, solid solutions in metals and ceramics, Frenkel and Schottky defects; dislocations;
grain boundaries, twins, stacking faults; surfaces and interfaces.
Materials phenomena-Thermodynamic, kinetic and phase transformation phenomena, heat
capacities, phase transformations, multiphase equilibria, chemical reactions, and magnetism.
Laws of thermodynamics, phase equilibria, phase rule, phase diagrams. Reaction kinetics,
fundamentals of diffusion, their solutions and applications.
UNIT II: Mechanical behaviour of materials: Basic concepts of solid mechanics and mechanical
behavior of materials, Atomic and molecular bonds-metallic, polymer and ceramic materials,
properties with respect to primary and secondary bonds present- dislocation and plastic
deformation in metals and ceramics. Stress-strain relationships, stress transformation, Tensile,
compression behaviour and testing, hardness testing, elasticity, plasticity and fracture. Electrical
conductivity, carrier mobility and concentrations. Thermal analysis techniques:
thermogravimetry and calorimetry.
UNIT III: Properties and Processing of Materials: Properties of materials- Mechanical properties
of metals, ceramics, polymers and composites at room temperature. Electronic properties-
Elements of band theory, semiconductors, Hall effect, dielectric behaviour, piezo- and ferro-
electric behaviour. Magnetic properties; Para-, dia-, ferro- and ferri-magnetism in magnetic
materials. Thermal properties; Specific heat, heat conduction, thermal diffusivity, thermal
expansion, and thermoelectricity. Optical properties; Refractive index, absorption and
transmission of electromagnetic radiation
Processing of materials- preparation of ceramic powders, sintering; thin film deposition:
evaporation and sputtering techniques, and chemical vapour deposition, thin film growth
phenomena
UNIT IV: Characterization and applications of materials: X-ray diffraction; spectroscopic
techniques such as UV-Vis, IR and Raman; optical microscopy, electron microscopy. Tensile test,
hardness measurement. Electrical conductivity, carrier mobility and concentrations. Thermal
analysis techniques: thermogravimetry and calorimetry.
Applications of materials-Materials for fuel cells and batteries, applications as optical fibers,
magnetic data storage, solar cells, transistors and other devices.
References