Additive Manufacturing - IIT Kanpur

Additive Manufacturing N. SinhaDepartment of Mechanical Engineering IIT KanpurDefinitionAdditive Manufacturing (AM) refers to a process by whichdigital 3D design data is used to build up a component in layersby depositing material.(fromtheInternationalCommitteeF 42forAdditiveManufacturing Technologies, ASTM)..Difference between Rapid Prototyping and Additive Manufacturing ? What You See Is What You Build (WYSIWYB) ProcessAdditive vs Subtractive Manufacturing Part Complexity; Material; Speed; Part Quantity; vs Subtractive ManufacturingFigure: Features that represent problems using CNC machining. Source: Gibson, Additive ManufacturingGeneric AM ProcessSource: Gibson, Additive ManufacturingCAD Model into STL : Gibson, Additive Manufacturingfacet normal +00 +01 + +00 +01 +00 +01 + as three points and a facet normal vector indicating the outwardside of the triangle, in a manner similar to the following:Generic AM ProcessSource: Gibson, Additive ManufacturingEffects of building using different layer thicknesses Other Related Technologies1.

and, in the case of LS, surrounds the solid structural particles. For a LS system consisting of a solid–liquid mixture, the viscosity of the molten material µis expressed as where µ 0 is the base viscosity that includes temperature terms , Φ l is the volume fraction of liquid phase and Φ m is a critical volume fraction of solids above

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  Solid, Additives

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