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✦ Updated for 2027

GATE Metallurgy (MT)
Syllabus 2027

Complete, section-wise syllabus for GATE MT as prescribed by IIT Roorkee. All topics covered with weightage estimates.

Exam Year GATE 2027
Paper Code MT
Conducting Body IIT Roorkee
Total Marks 100
Exam Pattern
Duration3 hours
Total Questions65
GA Section15 marks
Core MT Section85 marks
Negative MarkingMCQ only
ModeOnline (CBT)
Sections
1Engineering Mathematics 2Thermodynamics 3Solid Mechanics 4Physical Metallurgy 5Extraction 6Manufacturing 7Characterisation GAGeneral Aptitude
📌 Based on the official GATE 2027 MT notification. Always cross-check with the official IIT Roorkee GATE website before your exam.
1
Engineering Mathematics
Foundational mathematical tools used across all MT topics
~13–15 marks
Linear Algebra: Matrices, determinants, systems of linear equations, eigenvalues & eigenvectors
Calculus: Limit, continuity, differentiability; partial derivatives; maxima & minima; definite and indefinite integrals
Vector Calculus: Gradient, divergence, curl; line, surface, and volume integrals; Stokes' and Gauss' theorems
Differential Equations: First-order ODEs; linear second-order ODEs with constant coefficients; initial & boundary value problems
Complex Variables: Analytic functions; Cauchy-Riemann equations; Cauchy's theorem and integral formula
Probability & Statistics: Mean, median, mode; standard deviation; random variables; binomial, Poisson, and normal distributions
Numerical Methods: Newton-Raphson; numerical integration (trapezoidal, Simpson's rule); Euler and Runge-Kutta methods
Fourier Series & Transforms: Fourier series representation; DFT and FFT basics
2
Thermodynamics & Rate Processes
Classical and statistical thermodynamics; transport phenomena
~18–20 marks
Laws of Thermodynamics: First, second, third laws; enthalpy, entropy, Gibbs and Helmholtz free energies
Chemical Equilibria: Equilibrium constant; activities; standard free energy changes; Ellingham diagrams
Phase Equilibria: Gibbs phase rule; unary, binary, and ternary phase diagrams; lever rule; eutectic, peritectic, and peritectoid reactions
Solutions: Ideal and non-ideal solutions; Raoult's and Henry's laws; regular solution model; activity coefficients
Electrochemistry: Electrode potentials; Nernst equation; galvanic cells; corrosion thermodynamics; Pourbaix diagrams
Reaction Kinetics: Rate laws; activation energy; Arrhenius equation; homogeneous and heterogeneous reactions
Fluid Flow: Viscosity; laminar and turbulent flow; Bernoulli equation; Reynolds number; flow in packed beds
Heat Transfer: Conduction (Fourier's law); convection; radiation; heat exchangers; transient heat flow in solids
Mass Transfer: Fick's laws; diffusion in solids, liquids, and gases; mass transfer coefficients; analogies
Statistical Thermodynamics: Partition function; Boltzmann distribution; application to heat capacity
3
Solid Mechanics & Mechanical Properties
Deformation, failure, and mechanical testing of materials
~12–14 marks
Stress & Strain: Elastic deformation; stress-strain curves; Young's modulus, Poisson's ratio, shear modulus; elastic constants
Plasticity: Yield criteria (Tresca, von Mises); plastic deformation mechanisms; work hardening; flow stress
Dislocations: Edge, screw, and mixed dislocations; Burgers vector; dislocation energy; slip systems; Frank-Read source
Strengthening Mechanisms: Solid solution, precipitation (age) hardening, grain boundary, dispersion, and work hardening
Fracture: Ductile vs. brittle fracture; Griffith criterion; stress intensity factor; fracture toughness; fatigue crack growth
Fatigue: S-N curves; fatigue limit; cyclic stress-strain behaviour; Paris law; Miner's rule
Creep: Creep mechanisms; creep curves; steady-state creep rate; Larson-Miller parameter; superalloys
Hardness Testing: Brinell, Vickers, Rockwell, and Knoop hardness; correlation with tensile strength
Impact Testing: Charpy and Izod tests; DBTT; factors affecting impact toughness
Composite Materials: Rule of mixtures; fibre reinforcement; interface mechanics; specific properties
4
Physical Metallurgy
Crystal structure, solidification, phase transformations, and heat treatment
~20–22 marks
Crystal Structure: BCC, FCC, HCP; lattice parameters; Miller indices; crystal defects (point, line, planar, volumetric)
Solidification: Nucleation and growth; homogeneous and heterogeneous nucleation; dendritic solidification; segregation; casting defects
Diffusion: Fick's laws; mechanisms (vacancy, interstitial); Kirkendall effect; diffusion couples; grain boundary diffusion
Iron-Carbon System: Fe-Fe₃C phase diagram; microstructures (austenite, ferrite, cementite, pearlite, bainite, martensite)
Heat Treatment of Steels: Annealing, normalising, hardening, tempering; TTT and CCT diagrams; hardenability (Jominy test)
Martensitic Transformation: Shear mechanism; Ms and Mf temperatures; effect of alloying elements; retained austenite
Precipitation Hardening: Ageing sequence; GP zones; coherency strain; overageing; examples (Al alloys, Ni superalloys)
Recovery, Recrystallisation & Grain Growth: Driving forces; kinetics; annealing textures; grain boundary mobility
Magnetic Properties: Ferromagnetism; hysteresis loop; hard vs. soft magnets; magnetostriction; Curie temperature
Electrical Properties: Band theory; conductors, semiconductors, insulators; Hall effect; superconductivity basics
Corrosion: Electrochemical mechanisms; galvanic, crevice, pitting, intergranular, stress corrosion; prevention methods
Non-Ferrous Alloys: Aluminium, copper, titanium, nickel-base alloys; heat treatment and applications
5
Extractive Metallurgy
Mineral processing, pyrometallurgy, hydrometallurgy, and electrometallurgy
~12–14 marks
Mineral Processing: Comminution; classification; froth flotation; gravity separation; magnetic & electrostatic separation
Agglomeration: Sintering; pelletisation; briquetting; role of agglomerates in blast furnace
Iron Making: Blast furnace — zones, reactions, slag chemistry; DRI processes (Midrex, HYL); hot metal composition
Steel Making: BOF and EAF processes; ladle metallurgy; degassing (RH, VD); continuous casting; clean steel production
Pyrometallurgy: Roasting, smelting, converting; matte smelting; slag compositions; reaction kinetics in high-temperature systems
Refining: Fire refining; zone refining; vacuum refining; electrorefining
Hydrometallurgy: Leaching (acid, alkaline, pressure); solvent extraction; ion exchange; precipitation; cementation
Electrometallurgy: Electrowinning and electrorefining of Cu, Zn, Al; Hall-Héroult process; Faraday's laws
Special Metals: Production of Ti (Kroll process), Mg (Pidgeon process), rare earths; vacuum metallurgy
6
Manufacturing Processes
Casting, forming, welding, powder metallurgy, and surface treatments
~10–12 marks
Casting: Sand casting; investment casting; die casting; continuous casting; solidification defects; gating and risering design
Metal Forming: Rolling, forging, extrusion, drawing; forming limit diagrams; deformation zones; residual stresses
Welding: Arc welding processes (SMAW, GMAW, GTAW, SAW); heat-affected zone; weld metallurgy; solidification cracking; PWHT
Powder Metallurgy: Powder production; compaction; sintering; HIP; properties of PM components
Surface Engineering: Electroplating; CVD; PVD; thermal spray; shot peening; carburising; nitriding
Machining: Mechanics of metal cutting; tool materials; cutting forces; chip formation; machinability
Rapid Prototyping & Additive Manufacturing: SLA, SLS, DMLS basics; feedstock; microstructure of AM components
7
Characterisation Techniques
Structural, microstructural, and chemical analysis methods
~8–10 marks
X-Ray Diffraction: Bragg's law; powder diffraction; phase identification; lattice parameter measurement; Scherrer equation
Optical Microscopy: Sample preparation (sectioning, mounting, grinding, polishing, etching); bright field, dark field, polarised light
Scanning Electron Microscopy: Electron-matter interactions; SE and BSE imaging; depth of field; resolution; EBSD basics
Transmission Electron Microscopy: Sample preparation; bright/dark field; HRTEM; selected area diffraction
Spectroscopy: EDS/EDX for elemental analysis; WDS; Auger electron spectroscopy; XPS (ESCA); EELS
Thermal Analysis: DSC; DTA; TGA; dilatometry; use in phase transformation studies
Non-Destructive Testing: Ultrasonic testing; radiography; dye penetrant; magnetic particle inspection; eddy current testing
Surface Characterisation: AFM; STM; profilometry; contact angle measurement; surface energy
GA
General Aptitude
Common to all GATE papers — 15 marks, 10 questions
15 marks
Verbal Aptitude: English grammar; sentence completion; verbal analogies; word groups; critical reasoning
Quantitative Aptitude: Basic arithmetic; algebra; number systems; percentages; ratio and proportion
Analytical Aptitude: Logic; deduction; analogy; pattern recognition; data interpretation
Spatial Aptitude: Mirror image; 2D/3D figure rotation; paper folding; Venn diagrams