XE2 Materials Science (35M, choose any two) — GATE Engineering Scienc…

XE2 Materials Science (35M, choose any two) for GATE Engineering Sciences (XE): all 25 topics, with study resources and previous year questions for each.

Topics in XE2 Materials Science (35M, choose any two)

Classification of Materials (GATE XE) — Classification of Materials: Metals, ceramics, polymers and composites.
Fundamentals of crystallography (GATE XE) — Fundamentals of crystallography: Definitions of crystal, lattice and motif: Crystal=Lattice+Motif. Distinction between atoms and lattice points; Symmetry opera…
Close-packed crystal structures of elements (GATE XE) — Close-packed crystal structures of elements: Cubic close-packed (CCP), Hexagonal close-packed (HCP) and body-centred cubic (BCC) structures; Stacking sequence…
Crystalline and other ordered structures of carbon (GATE XE) — Crystalline and other ordered structures of carbon: Diamond and Graphite in terms of lattice and motif; Graphene and fullerene; Carbon nanotubes.
Crystalline structure of compounds (GATE XE) — Crystalline structure of compounds: NaCl, CsCl, ZnS (Zinc blend and Wurtzite), Perovskite, Spinels; Pauling’s rule for structure of ionic compounds.
Structure of amorphous materials (GATE XE) — Structure of amorphous materials: Crystalline and glassy silica; Fused silica and soda-lime glass.
Solid solutions (GATE XE) — Solid solutions: Interstitial and substitutional; Hume-Rothery rules.
Structure of polymers (GATE XE) — Structure of polymers: Monomers and polymers. Addition and condensation polymers. Bonding in polymers. C-C chain. Degree of polymerization. Chain configuration…
Zero-dimensional or point defects (GATE XE) — Zero-dimensional or point defects: Vacancies, interstitials, substitutional atoms, Frenkel and Schottky defects; Equilibrium concentration of point defects.
One-dimensional or line defects (GATE XE) — One-dimensional or line defects: Dislocations: edge, screw and mixed. Burgers vector and Burgers circuit; Burgers vectors of stable dislocations in simple cubi…
Two-dimensional or surface defects (GATE XE) — Two-dimensional or surface defects: Free surfaces, Grain boundaries, twin boundaries, stacking faults, phase boundary; Surface energy of a free surface in term…
Thermodynamics, Kinetics and Phase Transformations (GATE XE) — Extensive and intensive thermodynamic properties, laws of thermodynamics, phase equilibria, phase rule, phase diagrams - unary pressure-temperature diagrams, b…
Mechanical properties (GATE XE) — Mechanical properties: elastic and plastic deformation; atomic bonding and elasticity; shear strength of perfect crystals; plastic deformation by slip and disl…
Electronic Properties (GATE XE) — Electronic Properties: Drude model and classical description of electrical conductivity, Drawbacks of classical theory, Quantum mechanical description includin…
Magnetic Properties (GATE XE) — Magnetic Properties: Origin of magnetism in materials, types of Magnetism: Diamagnetism, Paramagnetism, Ferromagnetism, Ferrimagnetism and Antiferromagnetism,…
Thermal Properties (GATE XE) — Thermal Properties: Specific heat, Classical Dulong–Petit Law, Wiedemann-Franz Law, Thermal conductivity of metals and insulators (role of electrons and phonon…
Optical Properties (GATE XE) — Optical Properties: Refractive index, absorption and transmission of electromagnetic radiation.
X-ray diffraction (GATE XE) — X-ray diffraction: Bragg’s Law, structure factor, indexing of cubic diffraction patterns; spectroscopic techniques: UV-Vis, IR and Raman; band-gap measurement;…
Tensile test (GATE XE) — Tensile test: engineering and true stress-strain curves, parameters, such as, yield stress, ultimate tensile stress, elongation, area under the curve; Hardness…
Thermal analysis techniques (GATE XE) — Thermal analysis techniques: thermogravimetry and calorimetry.
Heat Treatment of steels (GATE XE) — Heat Treatment of steels: TTT and CCT diagram: coarse and fine pearlite, martensite and bainite; Annealing, normalizing, quenching, tempering.
Heat treatment of aluminium alloys (GATE XE) — Heat treatment of aluminium alloys: Precipitation hardening: Solutionising, quenching and ageing. Hardness vs. aging time and its dependence on aging temperatu…
Silicon processing (GATE XE) — Silicon processing: production of metallurgical and semiconductor grade, zone refining, single crystal growth, silicon oxidation, doping, photolithographic pro…
Electrochemical basis of corrosion of metals (GATE XE) — Electrochemical basis of corrosion of metals: standard electrode potential, galvanic series, Nernst equation, polarization and passivation; forms of corrosion;…
Polymer degradation (GATE XE) — Polymer degradation: swelling and dissolution; bond rupture: radiation, chemical and thermal effects; weathering.

Other GATE Engineering Sciences (XE) sections

Back to the exam

GATE Engineering Sciences (XE) preparation

Open on CachedInfo