Electromagnets have a wide variety of uses in all areas of industry. Additionally, the ability to temporarily create an electromagnet from a part made of ferromagnetic metals is key to performing magnetic particle examinations.
Estimated completion time (hours): 1.5
Objectives
By the end of this course, you will be able to do the following:
- Define magnetic field strength
- Understand the unit of measure for magnetic field strength
- Differentiate between B and H fields
- Understand the effect of a material's permeability on the B field
- Define relative permeability
- Understand why a ferromagnetic metal has varying permeability
- Define coercive force
- Understand the relationship among residual magnetism, retentivity, and saturation
- Understand the relationship of magnetic field strength and magnetic flux density fields as represented by a hysteresis loop
- Understand the effects the properties of a ferromagnetic metal have on the hysteresis loop
Language: English
Micro-module: No
Micro-module Series: No