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Didymium (Nd-Pr) metal, magnet feed

The rare-earth metal blend that makes strong permanent magnets, and therefore most electric motors.

The bottleneck itself →

Searched for “rare earth separation”, “NdPr”, “neodymium praseodymium”, “rare earth recycling” in titles and abstracts.

Collected items ↓Judged by hand ↓Who is active ↓

All stagesFundamental researchApplied / labPilot / demonstrationEarly commercialAt scaleNewestMost cited

Early commercial — readiness 8 to 8 of the nine-point scale. Evidence it takes: A product launch or first commercial order, from the seller or the buyer.

Judged by hand

Readiness and substitute status, with reasoning
  • TechnologyEarly commercialreadiness Estimate, not a measurementGrain-boundary diffusion is standard practice and rare-earth-free traction motors are in production; the trade-off is mass and efficiency, not feasibility.By Substrata, open to challenge · 2026-09-15Supporting source →Judgement, cited · 2026-09-15

    Rare-earth-lean and rare-earth-free motors

    Grain-boundary diffusion is standard practice and rare-earth-free traction motors are in production; the trade-off is mass and efficiency, not feasibility.

    Source ↗

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The feeds never place a paper or grant here: neither shows a product is on sale.