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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Functional, Energy, and Magnetic Materials
Presentation Title Advanced Design for Lightweighting Wind Power Generators Using Additively Manufactured Hard and Soft Magnets
Author(s) Latha Sethuraman, Ganesh Vijayakumar, Shreyas Ananthan, Jonathan Keller, M.Parans Paranthaman
On-Site Speaker (Planned) Latha Sethuraman
Abstract Scope Improving power densities using lightweight electric generators is currently a key motivation within the wind turbine industry for reducing the costs of wind energy. However, reducing the weight of wind power generators contrasts with the principles of optimizing for lower-cost and high-volume production resulting in sub-optimal use of expensive rare-earth magnets and electrical steel. Traditional design of these machines using advanced electrical steel grades with higher saturation flux density and higher-grade permanent magnets translate to poor scaling.In this work we present results from a novel approach for light weighting the active materials in the rotor of a 15MW permanent magnet wind generator using advanced topology optimization enabled by machine learning with different compositions of additively manufactured hard and soft magnet materials. This work was supported by the U.S.Department of Energy-sponsored research program MADE3D (Manufacturing and Additive Design of Electric machines enabled by 3-Dimensional printing).
Proceedings Inclusion? Planned:
Keywords Machine Learning, Additive Manufacturing, Magnetic Materials


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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