Neodymium magnet
part · 1982 · Digital age
The strongest permanent magnet (Sagawa).
Principles and materials it uses
- Rare-earth metals — is made of. Neodymium.
- Iron — is made of. A neodymium magnet is an alloy of neodymium, iron and boron.
Where it is used
- Electric car — is part of. Synchronous traction motors use neodymium magnets.
- Hard disk drive — is part of. The head actuator.
- Wind turbine — is part of. Direct-drive generators.
What it is a kind of
- Permanent magnet — is a kind of. A kind of magnet.