Cerium: an unlikely replacement of dysprosium in high performance Nd-Fe-B permanent magnets.
basic_science · Level V
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- Record sourced from PubMed, PMID 25773997.
- Also identified by DOI 10.1002/adma.201404892.
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Abstract
Replacement of Dy and substitution of Nd in NdFeB-based permanent magnets by Ce, the most abundant and lowest cost rare earth element, is important because Dy and Nd are costly and critical rare earth elements. The Ce, Co co-doped alloys have excellent high-temperature magnetic properties with an intrinsic coercivity being the highest known for T ≥ 453 K.