Neodymium
A principal rare-earth constituent of NdFeB magnets.
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ELEMENTS
Four elements behind many magnets.
Neodymium and praseodymium are important NdFeB inputs. Some grades also use dysprosium or terbium.
Praseodymium
Often supplied with neodymium as NdPr oxide or metal.
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An optional input for coercivity at higher temperatures.
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A heavy rare earth used in selected high-coercivity designs.
View TerbiumThese four profiles focus on permanent magnets. Other rare-earth elements and non-magnet uses fall outside this reference.