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SYLLABUS

Unit-1

STRUCTURE OF METALS: Crystal Structures: Unit cells, Metallic crystal structures, Imperfection in solids: Point, Line, interstitial and volume defects; dislocation strengthening mechanisms and slip systems, critically resolved shear stress. CONSTITUTION OF ALLOYS: Necessity of Alloying, substitutional and interstitial solid solutions-Phase diagrams: Interpretation of binary phase diagrams and microstructure development; eutectic, peritectic, peritectoid and monotectic reactions. Iron-Iron-carbide diagram and microstructural aspects of ferrite, cementite, austenite, ledeburite, and cast iron.

Unit-2

STEELS: Plain carbon steels, use and limitations of plain carbon steels. AISI& BIS classification of steels. Classification of alloys steels. Micro structure, properties and applications of alloy steels-stainless steels and tool steels. CAST IRONS: Micro structure, properties and applications of white cast iron, malleable cast iron, grey cast iron, nodular cast iron and alloy cast irons.

Unit-3

HEAT TREATMENT OF STEELS: Annealing, tempering, normalizing and spheroidizing, isothermal transformation diagrams for Fe-Fe3 C alloys and microstructure development. Continuos cooling curves and interpretation of final microstructures and properties - austempering, martempering, case hardening, carburizing, nitriding, cyaniding, carbo-nitriding, flame and induction hardening, and vacuum and plasma hardening.

Unit-4

NON-FERROUS METALS AND ALLOYS: Micro structure, properties and applications of copper and its alloys, aluminium and its alloys. Study of AI-Cu phase diagram, precipitation hardening. Micro structure, properties and applications of titanium and its alloys.

Unit-5

CERAMICS, POLYMERS AND COMPOSITES: Structure, properties and applications of ceramics, polymers and composites. Introduction to super alloys and nanomaterials.