Properties of Soft magnetic material:
- Permeability
- Coercivity
- Electromagnets and Relays
- Transformers, motors and generators
- Saturation and magnetization
- Hysteresis loss
Application:
- The types of applications for soft magnetic materials fall into two main categories: AC and DC.
- In DC applications the material is magnetized in order to perform an operation and then demagnetized at the conclusion of the operation, e.g. an electromagnet on a crane at a scrap yard will be switched on to attract the scrap steel and then switched off to drop the steel.
- For DC applications the main consideration for material selection is most likely to be the permeability.
- This would be the case, for example, in shielding applications where the flux must be channeled through the material.
- Where the material is used to generate a magnetic field or to create a force then the saturation magnetization may also be significant.