MATERIALS SCIENCE1. Unit-1
2. Unit-2
3. Unit-3
4. Unit-4
5. Unit-5
|
MATERIALS SCIENCE SyllabusUNIT – I
Structure of Materials: Crystalline structure of solid: Concept of unit cell and space lattice, Miller Indices, Crystal structure determination by X-ray diffraction, Crystal imperfections. Solidification of Metals and Alloys Mechanism of solidification, nucleus formation and crystal growth, Metal ingot structure-dendritic and columnar grains, grain boundaries, grain growth, effect of grain size on properties of metals, polytropic transformation. UNIT- II Elastic and Plastic Deformation: Material properties like strength, hardness, toughness, ductility, brittleness etc. and their importance in manufacturing. Quantitative evaluation of these properties with destructive testing methods. Mechanism of plastic deformation, role of dislocations, slip and twinning. Strain hardening, Seasons cracking, Baushinger effect, yield point phenomena and related effects, Cold working and Hot working processes, effect on properties like recovery, recrystallization, grain growth, grain size etc. Unit - III Phase Diagrams: Phase and phase equilibrium : solidification of pure metals and alloys, phase diagrams of monotectic Eutectic, eutectiod, Peritectic and peritectoid & other systems. Allotropy of iron and Fe-C diagram. Unit - IV Heat Treatment Introduction, purpose of heat treatment, T-T-T curve and micro constituents in steel heat treatment processes like hardening, tempering, annealing, normalizing, Effects of heat treatment on properties of materials. Surface treatment processes. Unit - V Engineering Materials Classification, structure, general properties and applications of Cast Iron, Steel, brass, Bronze, bearing metals, light metal alloys, sintered carbide. |