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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Beyond the Beam II
Presentation Title Gravity Influence on Sintering of Binder Jetted Components
Author(s) Elisa Torresani, Eugene Olevsky, Randall German
On-Site Speaker (Planned) Elisa Torresani
Abstract Scope Powder components subjected to sintering should ideally homogeneously shrink and retain their original shapes. However, the real-world materials processing is influenced by many factors (e.g. temperature non-uniformity, external friction forces, and gravity) which during sintering cause inhomogeneous densification and shape distortions in final products. These issues also affect powder components obtained using additive manufacturing technologies, such as binder jetting and ceramic stereolithography, followed by sintering. Therefore, the fundamental understanding of the sintering process and the different sintering-influencing factors is of great importance for the development of modeling tools able to predict the resulting shapes and properties of the final sintered 3D-printed components. In the present work, a finite element model is developed in order to predict the sintering behavior of 3D-printed specimens under the influence of gravitational forces. Subsequently, the model results are validated through the comparison with the experimental test outcomes.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Look into Solid-state Metal AM Techniques from Metallurgical Bonding Perspective
Aluminum Alloy Powders for Solid State Additive Manufacturing Processing
Beyond the Beam Additive Manufacturing of Titanium Alloys
Bi-metal Composite Material for Plastic Injection Molding Tooling Applications via Fused Filament Fabrication Process
Cold Spray Processing of Soft Metals and Hard Tool Steels
Complex Material Deformation and Flow Phenomena during Additive Friction Stir Deposition of Dissimilar Aluminum Alloys
Control of High-temperature Drop-on-demand Metal Jetting Through Numerical Modelling and Experimentation
Development, Characterization, and Modeling of a 3D Binder-jet Printed N95 Metal Filter for COVID-19
Direct Ink Writing of Ceramic Architected Materials
Distortion Modeling of Sintering Process in Binder Jet Printed Parts
Droplet Powder Interactions in Binder Jet Additive Manufacturing
Effect of Processing Defects on Properties of Binderjet WC-Co
Fluid and Particle Dynamics Simulation in Binder Jetting Process
Friction Stir Additive Manufacturing of Al 6061-T6: Modeling and Experimental Analysis
Gravity Influence on Sintering of Binder Jetted Components
Heat Treatment of Recycled Battlefield Stainless-Steel Scrap for Cold Spray Applications
In Situ Monitoring of Additive Friction Stir Deposition: An Overview
Introductory Comments: Additive Manufacturing: Beyond the Beam II
Linear Friction Welding: a Solid-state Joining Process for the Manufacturing of Aerospace Titanium Parts
Spatial Architecture of Copper Fillers in Additively Manufactured PLA-matrix Composite
Texture Development and Influence in Solid-state Additive Manufacturing
Understanding the Effects of Repeated Environmental Exposure on Powder Properties for Additive Manufacturing Applications
Wall Thickness Effects on Dimensional Variation, Microstructure, and Mechanical Properties in Stainless Steel Samples Manufactured Using a Bound Metal Deposition (BMD) Sintering Process

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