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GATE Section-XE-C Materials Science Syllabus

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Course Syllabus

Unit 1: Processing of Materials

  • Powder synthesis
  • Sintering
  • Chemical methods
  • Crystal growth techniques
  • Zone refining
  • Preparation of nanoparticles
  • Thin films

Unit 2: Characterisation Techniques

  • X-ray diffraction
  • spectroscopic techniques like UV-vis
  • IR, Raman
  • Optical and Electron microscopy

Unit 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
  • Equilibrium shapes of crystals

Unit 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

Unit 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 behavior

    • Piezo

    • Ferro

    • Pyroelectric materials

  • Magnetic Properties −

    • Origin of magnetism in metallic and ceramic materials

    • Paramagnetism

    • Diamagnetism

    • Ferro

    • Ferrimagnetism

  • Thermal Properties −

    • Specific heat

    • Thermal conductivity & 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

Unit 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

Unit 7: Environmental Degradation

  • Corrosion
  • Oxidation
  • Prevention

Unit 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

To download pdf Click here.

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