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Meeting 2027 TMS Annual Meeting & Exhibition
Symposium Advances in Magnetism and Magnetic Materials
Presentation Title Re-establishing Mine-to-Magnet Manufacturing in the United States
Author(s) Judson Marte, Alan Lund, Edward Pang, Julia Ling Zuo
On-Site Speaker (Planned) Julia Ling Zuo
Abstract Scope In recent years, MP Materials successfully restarted, restored, and enhanced operations at the Mountain Pass Mine in Mountain Pass, California. The company produced more than 50,000 tonnes of rare earths and over 2,500 tonnes of neodymium-praseodymium (Nd-Pr) oxide, a crucial precursor for neodymium-iron-boron (NdFeB) magnets, in 2025. As a part of its downstream expansion, the company has constructed Independence, its flagship magnet manufacturing plan, and has broken ground on its 10X facility, a magnetics facility with 7,000 tonnes per annum production capacity. In the past year, the Independence facility has continued production of Nd-Pr metal and has successfully produced its first magnets from commercial magnet production lines. These milestones represent significant progress towards reestablishing a fully integrated domestic supply chain for critical components, a feat not achieved in the United States for decades. This presentation will detail our advancements towards this objective.
Proceedings Inclusion? Planned:
Keywords Other, Other,

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Scalable Milling Approach for Microstructure and Coercivity Enhancement in Nd-Fe-B Magnets
Accelerating Traction Motor Design Using AI-Based Finite Element Surrogates
Additive Manufacturing of La(Fe,Si)13 in Novel Regenerator Designs for Increased Performance
Alternative Permanent Magnets with Reduced Criticality
Amorphous Soft Magnetic Alloy Design: Combining Experimental and Model-Based Methodologies
Atomistic modeling of grain boundaries in NdFeB magnets
Conical Magnetic Structure in a Multiferroic Y-type Hexaferrite Using Neutron Diffraction
Correlative EBSD, TKD and APT analysis of Grain Boundary Engineered Nd-Fe-B Permanent Magnets
Development of Rare-Earth-Free MnBi Magnets for Potential Motor Applications
Diode Effect in Artificial Superconducting Multiferroics
Dy-Free Isotropic NdFeB Magnets Manufactured by Spark Plasma Sintering: Correlating the Microstructure to Magnetic Properties
Effect of Cooling Rate on Crystallization Behavior of Sm2Fe17 in Sm-Fe Alloy Melt
Effect of milling time and alloying on the powder dynamics of Co-Zr: A powder optimization study for Laser Powder Bed Fusion of Magnetic alloys.
Enhancing Mechanical Properties of Nd-Fe-B Sintered Magnets through Heterogeneous Microstructure Engineering
Fermi-surface nesting, electronic phase transformations, and anomalous response
Ferrite Coated Iron Based Soft Magnetic Composites with Low Core Loss Performance
Hydrogen detection through magnetic alloy design
Inverse Magnetostrictive Materials for Vibration Energy Harvesting
Investigation of the Phase Formation and Thermal Stability of the Second L10 Phase in the MnAlCu System
Iron Nitride, a high performance, completely rare earth free permanent magnet technology.
Magnetic-Field-Assisted Morphology Evolution and Phase Partitioning During Spinodal Decomposition in Fe–Al–Ni–Co Alloys
Magnetic Field-Assisted Directed Energy Deposition: Process–Structure–Property Relationships in Functional Materials
Magnetic Performance of High-Speed Directed Energy Deposited Fe–6.5 wt% Si Soft Magnetic Alloys: Impact of Ordering Phase Transformations
Multiscale Simulation of Soft Magnetic Composites
Ni-Zn Ferrite/Metal Nanocomposites Synthesized by Hydrogen Reduction Techniques
Novel interplay of long-range order, spin glass, and domain glass states in rare-earth-based Sm7Pd3
Optimizing the Grain Size–Coercivity Relationship in Nanograined NdFeB Magnets via Hot-Rolling and Post-Roll Annealing
Processing-microstructure-property relationships of friction consolidated Alnico magnets
Re-establishing Mine-to-Magnet Manufacturing in the United States
Reaction Pathways in Direct Reduction of Rare Earth Oxides to Magnets
Selective Boundary Fracture Milling for Recycling Nd-Fe-B Magnets
Self-propagating High-temperature Synthesis of Rare Earth Free Magnets
Single-Step Calciothermic Reduction–Diffusion Synthesis of High-Purity Nd₂Fe₁₄B Powders through Top-Down Precursor Engineering
Spin dependent transport in altermagnetic RuO2
Tailoring α-Fe2O3 Precursor Microstructure to Enhance Coercivity in Rare-Earth-Free α″-Fe16N2 Powders
Techno-Economic and Life Cycle Assessments of Sintered Samarium Iron Nitride Magnets
Thermodynamic Investigation of Rare-Earth Reduced Magnet Systems
Ultra-low loss soft magnetic materials for power electronics applications
Understanding Chemical Bonding and Phase Stability in Sm₂Fe₁₇-based interstitial magnet
Understanding the ordering phase transformations in high silicon steels for transformer core applications
Validating Magnetic Structure Results Around Non-Magnetic Inclusions in FeCo Alloys

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