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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Functional, Energy, and Magnetic Materials
Presentation Title Development of Fine Scale Permanent Magnets with Advanced Manufacturing
Author(s) Scott McCall, Alex A Baker, Nicholas Calta, Ryan T. Ott
On-Site Speaker (Planned) Scott McCall
Abstract Scope Very small permanent magnets are desirable for use as sensors and actuators. There is a size gap in the production of magnets between thin films (<100 nm) and traditional bulk magnets (mm scale). Advanced manufacturing offers opportunities for producing such gap magnets where one or more of the dimensions falls within this intermediate range while minimizing material waste due to machining and breakage. This is particularly desirable for designing magnets with complex geometries and applying magnetic actuators to micromechanical devices. One challenge is that AM processes often destroy the very microstructure that makes magnets valuable. Here we will discuss the developing the processing of a class of CeCoFe based magnet alloys suitable for AM at fine length scales while retaining high coercivity and remanence. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344.
Proceedings Inclusion? Planned:
Keywords Magnetic Materials, Additive Manufacturing,

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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