GATE 2022 syllabus for Metallurgical Engineering (MT) gives you details of the latest GATE syllabus for the subject release by the official gate organizing institute IIT Kharagpur for the year 2022. We also created an easy to use ad-free mobile app for GATE syllabus, previous year papers with keys, gate calculator, virtual calculator, and more. **Download iStudy App for all GATE preparation needs.**

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## GATE 2022 Syllabus – Metallurgical Engineering (MT)

#### Section 1: Engineering Mathematics

**Linear Algebra**

Matrices and Determinants, Systems of linear equations, Eigen values and Eigen vectors.

**Calculus**

Limit, Continuity and Differentiability; Partial derivatives; Maxima and minima; Sequences and series; Test for convergence; Fourier series.

**Vector Calculus**

Gradient; Divergence and Curl; Line, Surface and volume integrals; Stokes, Gauss and Green’s theorems.

**Differential Equations**

Linear and non-linear first order ODEs; Higher order linear ODEs with constant coefficients; Cauchy’s and Euler’s equations; Laplace transforms; PDEs -Laplace, one dimensional heat and wave equations.

**Probability and Statistics**

Definitions of probability and sampling theorems, conditional probability, Mean, median, mode and standard deviation; Random variables; Poisson, normal and binomial distributions; Analysis of experimental data; linear least squares method

**Numerical Methods**

Solutions of linear and non-linear (Bisection, Secant, Newton- Raphson methods) algebraic equations; integration by trapezoidal and Simpson’s rule; single and multi-step methods for differential equations.

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#### Section 2: Metallurgical Thermodynamics

**Laws of thermodynamics**

First law – energy conservation, Second law – entropy; Enthalpy, Gibbs and Helmholtz free energy; Maxwell’s relations; Chemical potential; Applications to metallurgical systems, solutions, ideal and regular solutions; Gibbs phase rule, phase equilibria, binary phase diagram and lever rule, free-energy vs. composition diagrams; Equilibrium constant, Activity, Ellingham and phase stability diagrams; Thermodynamics of point defects, surfaces and interfaces, adsorption and segregation phenomena.

**Electrochemistry**

Single electrode potential, Electrochemical cells, Nernst equation, Potential-pH diagrams

#### Section 3: Transport Phenomena and Rate Processes

**Momentum transfer**

Concept of viscosity, shell balances, Bernoulli’s equation, mechanical energy balance equation, flow past plane surfaces and through pipes.

**Heat transfer**

Conduction, Fourier’s Law, 1-D steady state conduction

**Convection**

Heat transfer coefficient relations for forced convection

**Radiation**

Black body radiation, Stefan-Boltzman Law, Kirchhoff’s Law

**Mass transfer**

Diffusion and Fick’s laws, Mass transfer coefficients

**Dimensional analysis**

Buckingham Pi theorem, Significance of dimensionless numbers

**Basic laws of chemical kinetics**

First order reactions, reaction rate constant, Arrhenius relation, heterogeneous reactions, oxidation kinetics

**Electrochemical kinetics**

Polarization

#### Section 4: Mineral Processing and Extractive Metallurgy

**Comminution techniques, Size classification, Flotation, Gravity and other methods of mineral beneficiation**

Agglomeration: sintering, pelletizing and briquetting

**Material and Energy balances in metallurgical processes**

Principles and processes for the extraction of nonferrous metals – aluminum, copper and titanium

**Iron and steel making**

Material and heat balance in blast furnace; Structure and properties of slags and molten salts – basicity of slags – sulphide and phosphate capacity of slags; Production of metallurgical coke

Other methods of iron making (COREX, MIDRE)

**Primary steel making**

Basic oxygen furnace, process dynamics, oxidation reactions, electric arc furnace

**Secondary steel making**

Ladle process – deoxidation, argon stirring, desulphurization, inclusion shape control, principles of degassing methods; Basics of stainless steel manufacturing

**Continuous Casting**

Fluid flow in the tundish and mould, heat transfer in the mould, segregation, inclusion control

#### Section 5: Physical Metallurgy

**Chemical Bonding**

Ionic, covalent, metallic, and secondary bonding in materials, Crystal structure of solids -metals and alloys, ionic and covalent solids, and polymers

X-ray Diffraction – Bragg’s law, optical metallography, principles of SEM imaging

**Crystal Imperfections**

Point, line and surface defects; Coherent, semi-coherent and incoherent interfaces

**Diffusion in solids**

Diffusion equation, steady state and error function solutions; Examples- homogenenization and carburization; Kirkendall effect; Uphill diffusion; Atomic models for interstitial and substitutional diffusion; Pipe diffusion and grain boundary diffusion

**Phase transformation**

Driving force, Homogeneous and heterogeneous nucleation, growth kinetics

Solidification in isomorphous, eutectic and peritectic systems, cast structures and macrosegregation, dendritic solidification and constitutional supercooling, coring and microsegregation

**Solid state transformations**

Precipitation, spinoidal decomposition, ordering, massive transformation, discontinuous precipitation, eutectoid transformation, diffusionless transformations; Precipitate coarsening, Gibbs-Thomson effect

**Principles of heat treatment of steels, TTT and CCT diagrams**

Surface hardening treatments; Recovery, recrystallization and grain growth; Heat treatment of cast iron and aluminum alloys.

Electronic, magnetic and optical properties of materials.

Basic forms of corrosion and its prevention

#### Section 6: Mechanical Metallurgy

Strain tensor and stress tensor, Representation by Mohr’s circle, elasticity, stiffness and compliance tensor, Yield criteria, Plastic deformation by slip and twinning

**Dislocation theory**

Edge, screw and mixed dislocations, source and multiplication of dislocations, stress fields around dislocations; Partial dislocations, dislocation interactions and reactions

**Strengthening mechanisms**

Work/strain hardening, strengthening due to grain boundaries, solid solution, precipitation and dispersion

Fracture behavior, Griffith theory, linear elastic fracture mechanics, fracture toughness, fractography, ductile to brittle transition

**Fatigue**

Cyclic stress strain behavior – low and high cycle fatigue, crack growth

**Mechanisms of high temperature deformation and failure**

creep and stress rupture, stress exponent and activation energy

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#### Section 7: Manufacturing Processes

**Metal casting**

Mould design involving feeding, gating and rise ring, casting practices, casting defects

**Hot, warm and cold working of metals**

Metal forming – fundamentals of metal forming processes of rolling, forging, extrusion, wire drawing and sheet metal forming, defects in forming

**Metal joining**

Principles of soldering, brazing and welding, welding metallurgy, defects in welded joints in steels and aluminum alloys

**Powder metallurgy**

production of powders, compaction and sintering

**Non-destructive Testing (NDT)**

Dye-penetrant, ultrasonic, radiography, eddy current, acoustic emission and magnetic particle inspection methods

#### GENERAL APTITUDE (Common for all branches)

**Verbal Aptitude**

*Basic English Grammar*

Tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech

*Basic Vocabulary*

Words, idioms, and phrases in context

*Reading and Comprehension*

*Narrative Sequencing*

**Quantitative Aptitude**

*Data Interpretation*

Data graphs (bar graphs, pie charts, and other graphs representing data), 2- and 3-dimensional plots, maps, and tables

*Numerical Computation and Estimation*

Ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series

*Mensuration and Geometry*

*Elementary Statistics and Probability*

**Analytical Aptitude**

*Logic*

Deduction and Induction

*Analogy*

*Numerical Relations and Reasoning*

**Spatial Aptitude**

*Transformation of Shapes*

Translation, rotation, scaling, mirroring, assembling, and grouping

Paper folding, cutting, and patterns in 2 and 3 dimensions

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sir i hv done m.sc in chemistry.i wnt to do m.tech..will it b gud to do m.tech or else i shud go wd p.hd..plz suggest me…