Beyond rare earths: this new magnet material could reshape motors
SMRTR summary
Permanent magnets power nearly every modern device, but over 90% of their supply chain runs through China, creating dangerous vulnerability. Niron Magnetics is commercializing iron nitride magnets — made from abundant iron and nitrogen — offering a 50% higher magnetic ceiling than rare earth alternatives, with built-in temperature stability and no geopolitical chokepoints.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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