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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Functional, Energy, and Magnetic Materials
Presentation Title Composition Control in Laser Powder Bed Fusion Additive Manufacturing Through Differential Evaporation
Author(s) Meelad Ranaiefar, Ibrahim Karaman, Alaa Elwany, Raymundo Arroyave
On-Site Speaker (Planned) Meelad Ranaiefar
Abstract Scope Differential evaporation during part fabrication using laser powder bed fusion additive manufacturing can contribute to variation in composition. This uncontrolled evaporation is a prevalent issue throughout the additive manufacturing process and is associated with uncontrolled changes in structure and properties, along with reduced performance of a part. However, we can utilize the underlying mechanisms of differential evaporation to direct processing parameters, control composition, tailor location specific properties, and achieve desired performance. In this work, a model for predicting differential evaporation and the associated change in composition during laser powder bed additive manufacturing is presented. This is used to investigate the effects of alloying elements and processing parameters on evaporation and composition.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Titanium,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Additive Manufacturing of Functionally Graded Shape Memory Alloys
Additive Manufacturing of Soft Magnets for Electrical Machines—Prospects and Challenges
Advanced Design for Lightweighting Wind Power Generators Using Additively Manufactured Hard and Soft Magnets
An Additive Manufacturing Design Approach to Achieving High Strength and Ductility in Traditionally Brittle Alloys via Laser Powder Bed Fusion
Anisotropy in Thermo-mechanical Properties of NiTi Alloy Processed by Selective Laser Melting (SLM)
Cold Spray of Permanent Magnets
Composition Control in Laser Powder Bed Fusion Additive Manufacturing Through Differential Evaporation
Development of Fine Scale Permanent Magnets with Advanced Manufacturing
Development of High-temperature Permanent Magnet Alloys for Additive Manufacturing
Effect of Process Parameters on the Microstructure and Properties of Additively Manufactured NiTi-Based Shape Memory Alloys
Effect of Processing Parameters on Thermal Cyclic Stability of Nitinol Alloys Manufactured by Selective Laser Melting
Engineered Interconnected Porosity for Enhanced Functional Devices
Establishing Fundamentals for Laser Metal Deposition of Functional Ni-Mn-Ga Alloys: Effect of Rapid Solidification on Microstructure and Phase Transformation Characteristics
Inconel-steel Multi-metal-material by Liquid dispersed Metal Powder Bed Fusion: Microstructure, Stress and Property Gradients
Influence of Composition and Microstructure on Magnetic Properties of Additively Manufactured Fe/Co/Ni Based Soft Magnetic Alloys
Investigation of the Mechanical Properties of the Zamak 5 Alloy by Using Multislide and Conventional Method
Investigation of the Wear Behavior of Zamak 5 Alloy Using Multislide and Conventional Method
Meltpool Oxidation and Reduction and Inclusion Evolution during the PBF Type Additive Manufacturing
Modeling of Selective Laser Melting of NiTi Shape Memory Alloy: Laser Single Track and Melt Pool Dimension Prediction
Review: 3D Printing Energetics
Selective Laser Melting of Defect-free NiTi SMA Parts Using a Process Optimization Framework
Toward Understanding the Effect of Selective Laser Re-melting on the Mechanical Properties of the SLM Fabricated Nitinol

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