Review of basic equations of elasticity – state of stress at a point – analysis of strain, constitutive relations – generalized Hook’s law – formulation of boundary value problems – solution of 2D problems – energy methods in elasticity – bending, shear and torsion – thin walled beams – applications.
Lab practices on applied and advanced techniques of metal forming, welding, heat-treatment. Material characterization / metallography practice.
Discussions on the manufacturing practices for polymers, composites and ceramics (including 3D printing options)- Demonstrations/ Practical sessions at ISRO centres
Fusion welding processes: GTAW-concepts, physics of arc, flux assisted processes, forces, pulsed and continuous current modes, GMAW-concepts, types of metal transfer, pulsed and synergic MIG welding, shielding gases in arc welding processes, Selection of filler wire in welding, EBW: Concepts, types and applications. LBW: Physics of lasers, types of lasers, operation of laser welding setup, advantages and limitations, applications, hybrid welding. Solid state welding processes: Friction welding: Concepts, types and applications.
Introduction to composites, Types & classification, Polymer matrix, Metal matrix, Ceramic matrix, Fibre – Matrix – interfaces, Fibre reinforced plastics, Processing & applications. Hybrid composites – GLARE, Ablatives, Carbon-Carbon, Fibres and fabrics, Resin system, Nano-composites, nano-reinforcements, Laminates.
Introduction to additive manufacturing – Classification, Methodology and process flow - Input for AM –Metal/ Non-metallic 3D printing – Powder, liquid, sheet and wire based processes- recent research trends/practices – Material science, process physics and Metallurgy of Additive manufacturing- Discussions on transport phenomena and hydrodynamics of metal additive manufacturing - Defects in AM- Processes selection, planning and control-Smart practices in Additive Manufacturing- 3D printing of Smart Materials and Structures- Multi-material/ Functionally graded / Lattice based 3D printing - Mu
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