Abstract
Recently, Additive Layer Manufacturing (ALM) has attracted a lot of attention to produce complex parts in short time, without the usage of fixtures, molds, dies or additional tools. One of the cost effective ALM technique in utilizing the indigenous polymers is Selective Inhibition Sintering Process (SISP). This article examines the effect on thermal loading to polymers structure with respect to part dimensional stability. The multiple layers of polymers with inhibitors at its periphery are modelled using Finite Element Method. The birth and death finite element behaviour is incorporated to achieve layer by layer sintering phenomenon. Coupled transient thermo - structural analysis is performed through sequential coupling method to evaluate the heat distribution and structural displacement of the three dimensional part. The simulation results reveal that parts with good dimensional accuracy with less residual stress is attainableusing SISP.
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