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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Magnetics and the Critical Materials Challenge: An FMD Symposium Honoring Matthew J. Kramer
Presentation Title Challenges in Affordable, Reliable Permanent Magnets
Author(s) Matthew Kramer
On-Site Speaker (Planned) Matthew Kramer
Abstract Scope Increasing global efforts to reduce CO<sub>2</sub> is putting additional demand on high performance permanent magnets (PM) for efficient renewable energy generation and electrification of transportation. Demand for PM for these applications, and rare earths elements (REE) used to make them, is expected to double by 2030. Reducing supply chain criticality for REE, especially heavy REEs (HREE), is a multifaceted challenge. Improved processing can minimize and even eliminate the HREE in 2-14-1 based compounds in most applications, but can this be done economically? Increased utilization of Ce and La can reduce supply chain criticality of Nd and Pr but can this be achieved without sacrificing performance, in particular, without Co, a critical element? Can lower cost PM using non-critical elements fill in the gap for moderate performance PM lowering overall demand for higher performance PM? This talk will touch on these challenges and the processing-property relationships for improving remanence and coercivity.
Proceedings Inclusion? Planned:
Keywords Magnetic Materials, Solidification, Phase Transformations


A Solution to the Permalloy Problem
Challenges in Affordable, Reliable Permanent Magnets
Controlling First-order Magnetic Phase Transitions in Rare-earth Intermetallics
Critical Materials Challenges in ThMn12-type Hard Magnetic Alloys for Permanent Magnets
Developing Substitutes for Magnetic Alloys
Far-from-equilibrium Materials Processing
From High-throughput Synchrotron Diffraction to Closed-loop Autonomous Materials Discovery
Giant Saturation Magnetization of Fe-based Soft Magnetic Amorphous Alloy by Introducing Nitrogen
HDDR Treatment on Nd2Fe14B-based Magnets in the Presence of an Applied Magnetic Field
Iron Nitride: a Non-rare-earth Containing Permanent Magnet
Like Poles Attraction and Unlike Poles Repulsion - Science Behind the Mystery
Magnetoelastic Interactions Reduce Hysteresis in Soft Magnets
Mechanically Strengthened Heterogeneous Sm-Co Sintered Magnets
Microstructural Evolutions, Phase Transformations and Hard Magnetic Properties in Polycrystalline Ce-Co-Fe-Cu Alloys
Nanocomposite Soft Magnetics: Applications, State-of-art, and Emerging Trends
Structure and Magnetic Properties of Galfenol Nanocomposite Alloys
Synthesis and Characterization of Rare-earth-based Metallic Glasses
Synthesis and Stabilization of Magnetic Nanoparticles of Rare-earth Metal Alloys
Utilizing High Energy X-rays to Perform In Situ observations of Alnico Spinodal Evolution

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