Exam

Exam

GATE: MATERIALS SCIENCE Syllabus

XE-C Materials Science

Section 1: Processing of Materials:

Powder synthesis, sintering, chemical methods, crystal growth techniques, zone

refining, preparation of nanoparticles and thin films

Section 2: Characterisation Techniques:

X-ray diffraction, spectroscopic techniques like UV-vis, IR, Raman. Optical and

Electron microscopy

Section 3: Structure and Imperfections:

Crystal symmetry, point groups, space groups, indices of planes, close packing in

solids, bonding in materials, coordination and radius ratio concepts, point defects,

dislocations, grain boundaries, surface energy and equilibrium shapes of crystals

Section 4: Thermodynamics and Kinetics:

Phase rule, phase diagrams, solid solutions, invariant reactions, lever rule, basic

heat treatment of metals, solidification and phase transformations, Fick’s laws of

diffusion, mechanisms of diffusion, temperature dependence of diffusivity

Section 5: Properties of Materials:

Mechanical Properties: Stress-strain response of metallic, ceramic and polymer

materials, yield strength, tensile strength and modulus of elasticity, toughness,

plastic deformation, fatigue, creep and fracture

Electronic Properties:Free electron theory, Fermi energy, density of states, elements

of band theory, semiconductors, Hall effect, dielectric behaviour, piezo, ferro,

pyroelectricmaterials

Magnetic Properties: Origin of magnetism in metallic and ceramic materials,

paramagnetism, diamagnetism, ferro and ferrimagnetism

Thermal Properties: Specific heat, thermal conductivity and thermal expansion,

thermoelectricity

Optical Properties: Refractive index, absorption and transmission of

electromagnetic radiation in solids, electrooptic and magnetoopticmaterials,

spontaneous and stimulated emission, gas and solid state lasers

Section 6: Material types

Concept of amorphous, single crystals and polycrystalline materials, crystallinity

and its effect on physical properties, metal, ceramic, polymers, classification of

polymers, polymerization, structure and properties, additives for polymer products,

processing and applications, effect of environment on materials, composites

Section 7: Environmental Degradation

Corrosion, oxidation and prevention

Section 8: Elements of Quantum Mechanics and Mathematics

Basics of quantum mechanics, quantum mechanical treatment of electrical,

optical and thermal properties of materials, analytical solid geometry,

differentiation and integration, differential equations, vectors and tensors, matrices,

Fourier series, complex analysis, probability and statistics

Download Syllabus

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