Analysis of Additive Manufacturing Powders’ Behaviors Using Discrete Element Method-Based Simulation
Document Type
Conference Paper
Publication Date
1-1-2022
Abstract
Utilizing simulations to visualize and investigate the physical behavior of additive manufacturing powders and their interparticular interactions leads to process improvements in the manufacturing of critical components. Discrete element analysis (DEM) is used to analyze discontinuous granular particles used in pharmaceuticals, complex aerospace structures, and agricultural processes. Defects caused by vacancy voids during powder distribution processes may lead to manufactured parts with variable densities, reduced mechanical strength and reduce critical components’ overall performance. Previous works have been presented to demonstrate methods of powder characterization and analysis techniques to understand how cohesion and moisture affect powder flowability, compaction, and the mechanical properties of manufactured components. Various contact models are compared, and simulations are used to demonstrate how cohesive forces affect the flowability and the distribution of powders in additive manufacturing processes.
Recommended Citation
Shenouda, Safwat M.; Yi, Sun; and Akangah, Paul, "Analysis of Additive Manufacturing Powders’ Behaviors Using Discrete Element Method-Based Simulation" (2022). Faculty Publications. 207.
https://digital.library.ncat.edu/facpub/207
Comments
Paper was presented at the 151st Annual Meeting & Exhibition of The Minerals, Metals & Materials Society.