A Finite Element Mod.el of Multi-Layered Laser Sintered Parts
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Afinite element heat transfer analysis is applied to the selective laser sinteringofa layered part made frompolyroerpowder. The sinteringsubroutine in the code is based on the analyses of Scherer [l t2] and Mackenzie and Shuttleworth . The density and conductivity of the particle bed are treated as functions of the void fraction of the bed. The Yagi - Kunii  thermal characterization of the powder bed is used to calculate the effective conductivity of the bed. An example is worked for ABS powder.