1. MM5720 - Additive Manufacturing
Course contents
Introduction: Background, Nomenclature, Additive Manufacturing vs. Conventional Manufacturing, Rapid Prototyping, Rapid Tooling, Rapid Manufacturing, Advantages of Additive Manufacturing; Additive Manufacturing Process Chain: CAD Modeling, STL File Generation, Build File Creation; Classification of Additive Manufacturing Processes; Additive Manufacturing Processes: Photopolymerization Processes (Point-wise Curing Processes, Layer-wise Curing Processes, Micro-Polymerization Processes), Extrusion-Based Processes, Sheet Lamination Processes (Processes based on Gluing or Adhesive Bonding of Sheet materials, Processes based on Welding or Brazing of Sheet Materials), Printing Processes (Binder Printing and Direct Printing), Powder Bed Sintering/Melting Processes (Polymer-Melting-Based Powder Bed Processes, Metal-Based Powder Bed Processes), Metal Deposition Processes (laser processes, electron beam processes), Other Processes (Direct Write Electronics, Segment Milling Manufacturing, Shape Deposition Manufacturing, Ultrasonic Consolidation), Selection of Additive Manufacturing Processes; Application Case Studies.
2. MM5760 - Advanced Topics in Metal Joining
Together with Prof. G. Phanikumar and Prof. G.D. Janaki Ram
Course contents
Thermal cycles in welding, effect of welding parameters. Metallurgical changes during the welding of carbon and low-alloy steels, use of iron-carbon and TTT/CCT diagrams, effects of alloying elements, welding of cast irons and cast steels. Welding metallurgy of high-alloy steels, Schaeffler diagram, special problems in different types of stainless steels. Welding of principal non-ferrous alloys. Defects in weldments, causes, effects and remedies, hot and cold cracking, gases in welds. Weld ability concept and testing.
1. MM5012 - Welding Processes
Course contents
General survey and classification of welding processes, Conventional fusion welding processes, Principal heat sources, Gas welding and cutting, MMAW, Electrode coverings and their functions, Thermit welding, SMAW; types of fluxes, use of multiple wire and strip electrodes, significance of wire-flux combinations.
Gas shielded welding; TIG, MIG and MAG/CO2 and flux-cored arc processes, Consideration of shielding gases, electrode polarity, current setting, metal transfer and arc length control, Plasma arc welding and cutting processes, Equipment maintenance, application of the above.
Electrical power sources for welding; General characteristics of inverter, transformer, transformer-rectifier and motor-generator sets, Influence of power source characteristics on welding performance and use of pulsed currents. Pressure welding processes; solid state bonding, friction welding, friction stir welding, ultrasonic welding, explosive welding, diffusion bonding and adhesive bonding.
2. MM5740 - Welding Metallurgy
Together with Prof. Ravi Sankar Kottada
Course contents
Thermal cycles in welding, effect of welding parameters. Metallurgical changes during the welding of carbon and low-alloy steels, use of iron-carbon and TTT/CCT diagrams, effects of alloying elements, welding of cast irons and cast steels. Welding metallurgy of high-alloy steels, Schaeffler diagram, special problems in different types of stainless steels. Welding of principal non-ferrous alloys. Defects in weldments, causes, effects and remedies, hot and cold cracking, gases in welds. Weld ability concept and testing.
3. MM4020 - Industrial Training