Introduction and basic principles
Introduction and basic principles: Need for Additive Manufacturing, Generic AM process, stereolithography or 3dprinting, rapid proto typing,the benefits of AM, distinction between AM and CNC machining, other related technologies- reverse engineering technology.
Development of Additive Manufacturing Technology
Development of Additive Manufacturing Technology: Introduction, computers, computer-aideddesigntechnology,other associated technologies, the use of layers, classification of AM processes, metal systems, hybrid systems, milestones in AM development.
Additive Manufacturing Process chain
Additive Manufacturing Process chain: Introduction, the eight steps in additive manufacture, variationsfrom one AM machine to another,metal systems, maintenance of equipment, materials handling issues, design for AM, and application areas.
Photo polymerization processes
Photo polymerization processes: Stereolithography (SL), Materials, SL resin curing process, Micro-stereolithography, Process Benefits and Drawbacks, Applications of Photo polymerization Processes.
Powder Bed fusion processes
6 and 7 Powder Bed fusion processes: Introduction, Selective laser Sintering (SLS), Materials, Powder fusionmechanism, SLS Metal and ceramic part creation, Electron Beam melting (EBM), Process Benefits and Drawbacks, Applications of Powder Bed Fusion Processes.
Extrusion-based systems: Fused Deposition Modelling (FDM), Principles, Materials, Plotting and path control, Bio-Extrusion, Process Benefits and Drawbacks, Applications of Extrusion-Based Processes.
Printing Processes: evolution of printing as an additive manufacturing process, research achievements inprinting deposition, technical challenges of printing, printing process modelling, material modification methods, three-dimensional printing, advantages of binder printing.
Sheet Lamination Processes
Sheet Lamination Processes: Materials, Laminated Object Manufacturing (LOM), Ultrasonic Consolidation(UC), Gluing, Thermal bonding, LOM and UC applications.
Beam Deposition Processes
Beam Deposition Processes: introduction, general beam deposition process, description material delivery,BD systems, process parameters, typical materials and microstructure, processing–structure–properties relationships, BD benefits and drawbacks.
Direct Write Technologies
Direct WriteTechnologies: Background,ink -basedDW,laser transfer, DW thermals pray,DW beam deposition,DW liquid-phase direct deposition.
Guidelines for Process Selection
Guidelines for Process Selection: Introduction, selection methods for apart, challenges of selection, example system for preliminary selection, production planning and control.
Software issues for Additive Manufacturing
Software issues for Additive Manufacturing: Introduction, preparation of cad models – the STL file,problems with STL files, STL file manipulation.
Post- Processing: Support material removal, surface texture improvements, preparation for use as a pattern,property enhancements using non-thermal techniques and thermal techniques.
The use of multiple materials in additive manufacturing
The use of multiple materials in additive manufacturing: Introduction, multiple material approaches,discrete multiple material processes, porous multiple material processes, blended multiple 15al processes, commercial applications using multiple materials, future directions.
AM Applications: Functional models, Pattern for investment and vacuum casting, Medical models, artmodels, Engineering analysis models, Rapid tooling, new materials development, Bi-metallic parts, Re-manufacturing. Application: Examples for Aerospace, defence, automobile, Bio-medical and general engineering industries.
Direct digital manufacturing
Direct digital manufacturing: Align Technology,siemens and phonak,DDM drivers,manufacturing vs.prototyping, life- cycle costing, future of direct digital manufacturing.