Syllabus for Materials Science (XE: Section C)
Atomic structure and bonding in materials. Crystal structure of materials,
crystal systems, unit cells and space lattices, determination of structures of
simple crystals by x-ray diffraction, miller indices of planes and directions,
packing geometry in metallic, ionic and covalent solids. Concept of amorphous,
single and polycrystalline structures and their effect on properties of
materials. Crystal growth techniques. Imperfections in crystalline solids and
their role in influencing various properties.
Fick's laws and application of diffusion in sintering, doping of semiconductors
and surface hardening of metals.
Metals and Alloys:
Solid solutions, solubility limit, phase rule, binary phase diagrams,
intermediate phases, intermetallic compounds, iron-iron carbide phase diagram,
heat treatment of steels, cold, hot working of metals, recovery,
recrystallization and grain growth. Microstrcture, properties and applications
of ferrous and non-ferrous alloys.
Structure, properties, processing and applications of traditional and advanced
Classification, polymerization, structure and properties, additives for polymer
products, processing and applications.
Properties and applications of various composites.
Advanced Materials and Tools:
Smart materials, exhibiting ferroelectric, piezoelectric, optoelectric,
semiconducting behavior, lasers and optical fibers, photoconductivity and
superconductivity, nanomaterials , synthesis, properties and applications,
biomaterials, superalloys, shape memory alloys. Materials characterization
techniques such as, scanning electron microscopy, transmission electron
microscopy, atomic force microscopy, scanning tunneling microscopy, atomic
absorption spectroscopy, differential scanning calorimetry.
Stress-strain diagrams of metallic, ceramic and polymeric materials, modulus of
elasticity, yield strength, tensile strength, toughness, elongation, plastic
deformation, viscoelasticity, hardness, impact strength, creep, fatigue, ductile
and brittle fracture.
Heat capacity, thermal conductivity, thermal expansion of materials.
Concept of energy band diagram for materials - conductors, semiconductors and
insulators, electrical conductivity effect of temperature on conductility,
intrinsic and extrinsic semiconductors, dielectric properties.
Reflection, refraction, absorption and transmission of electromagnetic radiation
Origin of magnetism in metallic and ceramic materials, paramagnetism,
diamagnetism, antiferro magnetism, ferromagnetism, ferrimagnetism, magnetic
Corrosion and oxidation of materials, prevention.
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