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SYLLABUS

UNIT-I

Crystal Structure : Unit cells, Metallic crystal structures, Ceramics, Imperfection in solid: Point, Line interfacial and volume defects, Dislocation strengthening mechanisms and slip systems, Critically resolved shear stress.

UNIT-II

Alloys,Substitutional and interstitial solid solution- Phase diagrams: Interpretation of binary phase diagram and microstructure development, Eutectic, Peritectic, Peritectoid and Montectic reactions. Iron-carbide phase diagram and microstructural aspects of Ledeburite, Austenite, Ferrite and Cementite, Cast iron

UNIT-III

Heat treatment of Steel: Annealing, Normalising, Hardening, Tempering and Spheroidising, Isothermal transformation diagram for Fe-C alloys and microstructures development.

UNIT-IV

Continuous cooling curves and interpretation of final microstructures and properties – Austempering, Martempering, Case hardening, Carburizing, Nitriding, Cyaniding, Carbo-nitriding, Flame and induction hardening, Vacuum and plasma hardening

UNIT-V

Alloying of steel, Properties of stainless steel and tool steels, Maraging steels-Cast irons, Grey, White, malleable and spheroidal cast irons - Copper and copper alloys (Brass, bronze and cupro-nickel) Aluminium and AI-Cu-Mg alloys- Titanium alloys