GATE Syllabus - Metallurgical Engineering

Thermodynamics and Rate Processes

Laws of thermodynamics, activity, equilibrium constant, applications to metallurgical systems, solutions, phase equilibria, basic kinetic laws, order of reactions, rate constants and rate limiting steps principles of electro chemistry, aqueous, corrosion and protection of metals, oxidation and high temperature corrosion – characterization and control -- momentum transfer – concepts of viscosity, shell balances, Bernoulli’s equation --

heat transfer – conduction, convection and heat transfer coefficient relations, radiation, mass transfer – diffusion and Fick’s laws.

Extractive Metallurgy

Flotation, gravity and other methods of mineral processing -- agglomeration, pyro-hydro-and electro-metallurgical processes -- material and energy balances -- principles and processes for the extraction of non-ferrous metals – aluminium, copper, zinc, lead, magnesium, nickel, titanium and other rare metals -- iron and steel making – principles, blast furnace, direct reduction processes, primary and secondary steel making, deoxidation and inclusion in steel -- ingot and continuous casting -- stainless steel making, design of furnaces -- fuels and refractories.

Physical Metallurgy

Crystal structure and bonding characteristics of metals, alloys, ceramics and polymers -- solid solutions -- solidification -- phase transformation and binary phase diagrams -- principles of heat treatment of steels,

aluminum alloys and cast irons -- recovery, recrystallization and grain growth -- industrially important ferrous and non-ferrous alloys -- elements of X-ray and electron diffraction -- principles of scanning and transmission electron microscopy -- elements of ceramics, composites and electronic materials -- electronic basis of thermal, optical, electrical and magnetic properties of materials.

Mechanical Metallurgy

Elements of elasticity and plasticity -- defects in crystals -- elements of dislocation theory – types of dislocations, slip and twinning, stress fields of dislocations, dislocation interactions and reactions, methods of seeing dislocations -- strengthening mechanisms -- tensile, fatigue and creep behaviour -- superplasticity -- fracture – Griffith theory, ductile to brittle transition, fracture toughness -- failure analysis -- mechanical testing – tension, compression, torsion, hardness, impact, creep, fatigue, fracture toughness and formability tests.

Manufacturing Processes

Metal casting – patterns, moulds, melting, gating, feeding and casting processes, defects and castings, hot and cold working of metals -- Metal forming - fundamentals of metal forming, rolling wire drawing, extrusion, forming, sheet metal forming processes, defects in forming -- Metal joining - soldering, brazing and welding, common welding processes, welding metallurgy, problems associated with welding of steels and aluminium alloys, defects in welding, powder metallurgy -- NDT methods - ultrasonic, radiography, eddy current, acoustic emission and magnetic.

Engineering Mathematics

Ordinary and partial differential equations -- vector analysis -- matrices and determinants -- eigen values and eigen vectors -- Taylor’s theorem -- infinite series and tests of convergence -- numerical methods – root finding -- solving system of equations and ordinary differential equations -- tensor analysis.