Theoretical Modeling and Experimental Characterization of Stress Development in Parts Manufactured Through Large Area Maskless Photopolymerization

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Date

2012

Authors

Wu, Tao
Das, Suman

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University of Texas at Austin

Abstract

This paper aims at investigating the evolution of stresses in parts manufactured through large area maskless photopolymerization (LAMP). A theoretical model was established to understand the curing process for LAMP and a finite element analysis was performed to model the dynamic evolution of stresses during the layer-by-layer fabrication process using Abaqus software. This model serves to suggest strategies for reducing stresses, part warpage, and crack development in parts made through LAMP.

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