Applied Materials Engineering

Course Objectives:

- To impart the knowledge on mechanical behavior of materials.

- To acquire knowledge in various class of materials and their applications.

- To impart knowledge on various surface modification techniques.

Expected Course Outcome:

- Describe the mechanical behavior of metallic systems and its importance

- Knowledge on engineering alloys and nonmetallic materials and their selection.

- Gain knowledge on different types of surface modifications of materials.

Student Learning Outcomes:

Module:1 

Review of basic concepts: Mechanical behavior of Materials, Mechanical properties of materials, stress and strain, Mohr’s strain circle, Elasticity, plasticity, Tensile Testing, stress-strain curve for ductile, brittle and polymer materials, Bridgman correction, Other tests of plastic behavior, Strain hardening of metals mechanism.

Module:2 

Fatigue, Fracture and Creep mechanisms:S-N curves, effect of mean stress, stress concentration, design estimates, cyclic stress strain behavior, Ductility and Fracture, slip system, Griffiths theory, Orowan theory, theoretical fracture strength, Irwin’s fracture analysis, fracture mechanics in design, Creep mechanisms, temperature dependence  of creep.

Module:3 

Modern materials and alloys:Super alloys, Refractory metals, Shape memory alloys,Dual phase steels, Micro alloyed steel High strength low alloy steel, Transformation induced plasticity steel(TRIP steel), Maraging steel, Smart materials, Metallic glass, Quasi crystal, Nano-crystalline materials, metal foams, Compacted graphite  cast iron and creep resistant aluminum alloys

Module:4 

Surface modifications of materials: Mechanical surface treatment and coating, Case hardening and hard facing, Thermal spraying, Vapor deposition and ion implantation, Diffusion coating, electroplating and Electrolysis, Conversion coating, Ceramic coating, Organic coatings, diamond coating, Laser based surface modification

Module:5 

Review of Metal Working:Mechanisms of metal working, Flow-stress determination, Temperature in metal working, strain- Rate Effects, Friction and Lubrication, Deformation- zone geometry, Hydrostatic Pressure, Workability, Residual stress.

Module:6 

Forging: Forging equipment, types, forging in plain strain, calculation of forging loads, forging defects, powder metallurgy forging, Residual stresses in forging.

Rolling: Classification, Rolling of bars and shapes, Forces and geometrical relationship, calculation of rolling loads, variables and defects in rolling, rolling mill control, theories.

Module:7 

Extrusion and Sheet metal forming: Classification, Analysis of extrusion process, Deformation, lubrication and defects. Forming methods, shearing and blanking, bending, stretch forming, deep drawing, Limit criteria, Defects.

Module:8

Contemporary issues