Physical Metallurgy and Materials Engineering

Structure of metals, Phase equilibria, thermodynamics of phase evolution, Construction of equilibrium diagrams, Study of Fe-Fe3C, Cu-Zn, Cu-Sn, Al-Cu and Al-Si ternary diagrams, Diffusion laws, Structure and properties of ceramics, Construction and Principles of Optical and transmission Electron Microscope.

Students by the end of this course will be able to identify the crystal structures of the metallic materials and also analyse various phase diagrams of alloys.

Mineral processing

Sampling of ores by different methods, Theories of comminution, Sizing, Movement of solids in Fluids, Quantifying concentrating operation, Classification: Principles, sizing and sorting classifiers, Flotation.

The students are made aware of the various mineral processing technology used.

Metallurgical Thermodynamics and Kinetics

Laws of thermodynamics, concepts of reversibility, Maxwell’s equations and Gibbs-Helmholtz equation, Concept of partial molal properties, thermodynamics of reversible cells, Arhenius equation, theories of reaction rates.

Students are taught, in this course, the laws of thermodynamics with reference to metallurgical processes and materials.

Transport Phenomena

Introduction to Transport phenomena, Types of fluid flow, Newton's law of viscosity, Energy and momentum relationships, Classification of diffusional operations and conduction of diffusional operations etc.

The paper focuses on the concepts of fluid mechanics in extractive metallurgy.

Phase Transformations and Heat Treatment

Theory of Nucleation, Homogeneous and Heterogeneous Nucleation, Nucleation Kinetics, Growth Kinetics, Different types of Diffusion Growth. Nucleation and Grain size, Super Cooling.

The paper deals with the concepts of the theory of nucleation and growth kinetics of solidification.

Unit Processes in Extractive Metallurgy

Principles of Unit processes: Calcination, Sintering, Pelletising and Briquetting. Principles of reduction and Matte Smelting. Pyro-metallurgical processes using vacuum, reduction of halide by another element, Principles of electro-winning from fused salts. Principles and types of leaching, etc.

The focus of the paper is on the ore minerals for ferrous and non-ferrous metals.

Ferrous Production Technology

Introduction to Iron & Steel making, Raw materials for Iron making, evaluation and occurrence in India, Agglomeration, sintering and pelletising, Conventional Steel making processes, Oxygen steel making processes, Arc and induction furnaces, Physical chemistry of steel making,

The paper deals with the extraction techniques of pig iron by reduction smelting in blast furnace from iron ores.

Mechanical Behavior of Materials

Hardness testing, static compression, fatigue testing, creep testing.

The paper focuses on the classification of mechanical testing of ferrous and non-ferrous metals and alloys.

Powder Metallurgy

Introduction and History of PM, Different Powder Production Techniques, Importance of Powder Characterization, Particles Size, Distribution, Surface Analysis, Powder Compaction and Process variables, Theory of sintering etc.

The paper deals with the classification of powder preparation techniques.

Foundry Technology and Non-Destructive Testing

Introduction, types of foundries Pattern making: pattern materials, types of patterns and functions, pattern allowances. Core sands and core making, Special sand molding processes, melting furnaces, Casting defects, Non Destructive Testing (NDT).

The paper aims at making students understand the pattern and pattern allowances and the design of gating and risering of castings.

Electro Metallurgy and Corrosion

Principles of Corrosion, Forms of Corrosion, Modern Theory-Principles, Corrosion Prevention, Corrosion rate measurement, High Temperature Corrosion, High temperature materials- mechanical properties, oxidation resistance.

The paper is about the characterization of the general, galvanic, crevice and fatigue forms of corrosion.

X-ray Diffraction and Electron Microscopy

Introduction to crystallography, Symmetry – point group and space group, Reading of the space group tables, X-ray diffraction. Electrons as source, properties of electron beam, elastic and inelastic scattering of electrons.

The paper is about the identification of diffraction conditions for BCC and FCC lattices.

Mechanical Working of Materials

Forming processes, effect of metallurgical structure & strain-rate, cold working, recovery, recrystalisation and grain growth, hot working, Stress, Strain fields, strain energy & line tension of a dislocation, Forces on and between dislocations,

The paper deals with the stress-strain relationship.

Non Ferrous Extractive Metallurgy

COPPER: Principal ore minerals, traditional bath smelting processes viz., Blast furnace, Reverberatory furnace, Electric furnace.

ZINC: General principles, roasting. Retort processes- horizontal and vertical retort processes. Electro-thermal production.

The main aim of the paper is to Classify the ores of copper, zinc, lead, nickel, aluminum, magnesium and uranium metals.

Characterization Techniques

Optical metallography, image analysis, quantitative phase estimation. Analytical transmission electron microscopy (TEM), Selected area of Diffraction bright and dark field imaging.

This paper helps the students Understand the principles of optical and electron microscopy.