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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Beyond the Beam III
Presentation Title Modeling of Effect of Powder Spreading on Green Body Dimensional Accuracy in Additive Manufacturing by Binder Jetting
Author(s) Andrii L. Maximenko , Ifeanyichukwu Donald Olumor, A P. Maidaniuk, Eugene Olevsky
On-Site Speaker (Planned) Ifeanyichukwu Donald Olumor
Abstract Scope It is shown that Bullet Physics Engine can be used for Discrete Element modeling of powder spreading during additive manufacturing by binder jetting. It is known that, due to technological restrictions, the thickness of deposited layers during binder jetting should not exceed several powder particle diameters making the application of continuum models of powder medium behavior to be problematic. The conducted modeling shows that dilation of the deposited powder and distortion of previously deposited layers depend on amount of powder removed during spreading, on the thicknesses of the deposited layers, and on the dimensions of the manufactured components. An empirical equation describing the distortion strain as a function of powder spreading parameters is suggested as an approximation of the numerical modeling results. The developed model is experimentally validated. As an optimum way of the powder layers’ deposition, a combination of the non-contact and the blade powder spreading approaches is recommended.
Proceedings Inclusion? Planned:
Keywords Other, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Binder-jet Printed Metal Filters
A Multi-step Data Driven Model for Reverse Shape Compensation for Binder Jet Parts
Additive Manufacturing Assisted by Subtractive Sintering of Powder Components
Atomistic and Mesoscale Modeling of Sintering Kinetics in Solid-state Additive Manufacturing
Binder Jet Additive Manufactured H13: Microstructure Evolution and Properties
Droplet-powder Interactions in Binder Jetting: From Droplet to Line to Layer to Part
Effect of Laser Heating on Microstructure and Deposition Properties of Cold Sprayed SS304L
Effect of Powder Heat Treatment on Fatigue Performance of Free Standing AA7075 Cold Spray
Finite Element Analysis of High-strain-rate Deformation
Friction and Gravity Effects during Sintering of Binder Jet Parts
Impact of Grain Boundary Mobility on Decreasing Porosity in Metal Binder Jetting of Free-sintering Low-alloy Steel
In Situ Observation of Melt Pool in Ultrasonic Vibration-assisted Directed Energy Deposition
Influence of Hydrogen Content and Particle Size Distribution on the Microstructure of Tantalum Cold Spray Coatings
Interface Formation during Metal 3D Printing: From Individual Droplets to 3D Parts
Investigating Process-structure-property Relationships of 17-4 PH Stainless Steel Fabricated via Laser Beam Powder Bed Fusion (LB-PBF), Laser Powder Directed Energy Deposited (LP-DED), and Metal Binder Jetting (MBJ) Methods
J-23: Additive Friction Stir Deposition of Al0.04CoCrFeNi High Entropy Alloy
J-24: Temperature Influence on Microstructure and Mechanical Behavior during Deposition of Solid-state Additively Manufactured Aluminum Alloy 7050
Material Flow and Microstructure Evolution during Additive Friction Stir Deposition of Aluminum Alloys
Mechanical Properties and Characterization of Solid-state Additive Manufacturing of AA6061 and AA5083
Mesoscale Simulation of Cold Spray Microstructure Formation
Micro- and Nanostructural Evolution in AA7075 Manufactured by Additive Friction Stir Deposition
Microstructure and Mechanical Properties of Friction Stir Deposited SS304
Microstructure Evolution Pathway in Solid-state Additive Manufacturing of Copper
Modeling of Effect of Powder Spreading on Green Body Dimensional Accuracy in Additive Manufacturing by Binder Jetting
Modeling Sintering Processes with Continuum Approaches
Optimization of Al 6061 Powder Feedstock for Cold Spray Using a Through-process Experimental Approach
Overview of the Process Fundamentals Underlying Additive Friction Stir Deposition
Practical Considerations for Complex Path Planning for Cold Spray Additive Manufacturing.
Print Parameter Effects on Porosity Distribution in Binder Jetting of WC-Co
Processing-structure-property Correlation in Additive Friction Stir Deposited Ti-6Al-4V Alloy from Recycled Metal Chips
Processing and Characterization of Tantalum Powders for Cold Spray
Topological Toughness in Additively Manufactured Ceramic Architected Materials

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