Permanent Magnets in a Changing World Market
Permanent Magnets in a Changing World Market There are several commercially available permanent magnets. In sequence of invention they are: alnico, ferrite, SmCo (samarium cobalt), NdFeB (neodymium iron boron, Neo), and SmFeN (samarium iron nitride). [...]
Manufacturing Processes for Permanent Magnets: Bonding and Emerging Methods
Manufacturing Processes for Permanent Magnets: Bonding and Emerging Methods Abstract Permanent magnets produce magnetic fields and maintain the field even in the presence of an opposing magnetic field. They are widely used in electric machines, [...]
Measuring Magnetic Fields
Measuring Magnetic Fields After reading this section you will be able to do the following: Determine how the direction and intensity of magnetic fields can be found. Describe how a field indicator and a Hall-effect [...]
Circular Magnetic Fields: Distribution and Intensity
Circular Magnetic Fields: Distribution and Intensity After reading this section you will be able to do the following: Explain the distribution and intensity of magnetic fields around conductors Explain what the skin effect is As [...]
Longitudinal Magnetic Fields
Longitudinal Magnetic Fields Longitudinal magnetic fields refer to magnetic fields that are oriented parallel to the direction of propagation of a wave or particle. These fields play a crucial role in various scientific and technological [...]
Electricity and Magnetism
Electricity and Magnetism After reading this section you will be able to do the following: Discuss what happens to a compass when a wire with electrical current is near. Describe the relationship between electricity and [...]
Electromagnetic Fields
Electromagnetic Fields After reading this section you will be able to do the following: Describe the magnetic fields that surround a current carrying conductor. Iron filings scattered in the vacinity of a current carrying wire [...]
Exchange Spring Magnet
Exchange Spring Magnet An exchange spring magnet is a magnetic material with high coercivity and high saturation properties derived from the exchange interaction between a hard magnetic material and a soft magnetic material, respectively. Coehoorn [...]
The Coming Revolution in MnBi High-Strength Magnets
The Coming Revolution in MnBi High-Strength Magnets Expensive rare-earth magnets that power high-performance motors could be on the wane within a few years thanks to new materials now emerging from research labs. Motor manufacturers that [...]
Magnetic Field Characteristics
Magnetic Field Characteristics After reading this section you will be able to do the following: Describe magnetic fields in different shaped magnets. Understand the important properties possessed by magnetic lines of force. Magnetic Field In [...]