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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Functional, Energy, and Magnetic Materials
Presentation Title Development of High-temperature Permanent Magnet Alloys for Additive Manufacturing
Author(s) Ryan T. Ott, Emrah Simsek, Rakesh Chaudhary, Scott McCall, Alex Baker
On-Site Speaker (Planned) Ryan T. Ott
Abstract Scope Advanced magnet materials are increasingly being incorporated into applications that require smaller dimensions, and often, complex geometries. Machining these magnets from sintered blocks can lead to large manufacturing waste, which negatively affects critical material usage. Bonded magnets offer greater processing flexibility, but the energy product is limited by the binder phase. To address this challenge, we have used combinatorial synthesis and high-throughput characterization to identify permanent magnet compositions compatible with additive manufacturing (AM) synthesis. Here we discuss developing SmCo-based alloys that can be synthesized via directed energy deposition that show enhanced thermal stability. The effects of alloying additions and post synthesis heat treatments on the alloy coercivity are discussed.
Proceedings Inclusion? Planned:
Keywords Additive Manufacturing, Magnetic Materials, Sustainability


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
Cold Spray of Permanent Magnets
Composition Control in Laser Powder Bed Fusion Additive Manufacturing Through Differential Evaporation
Development of High-temperature Permanent Magnet Alloys for Additive Manufacturing
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
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
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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