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This magnetic energy value is about 18 times greater than "ordinary" ferrite magnets by volume and 12 times by mass. This magnetic energy property is higher in NdFeB alloys than in samarium cobalt (SmCo) magnets, which were the first type of rare-earth magnet to be commercialized. In practice, the magnetic properties of neodymium magnets depend ...
Placing the magnet in an alternating magnetic field with intensity above the material's coercivity and then either slowly drawing the magnet out or slowly decreasing the magnetic field to zero. This is the principle used in commercial demagnetizers to demagnetize tools, erase credit cards, hard disks , and degaussing coils used to demagnetize ...
Recycling centres use magnetic separation often to separate components from recycling, isolate metals, and purify ores. [1] Overhead magnets, magnetic pulleys, and the magnetic drums were the methods used in the recycling industry. [1] Magnetic separation is also useful in mining iron as it is attracted to a magnet. [3]
The n52 is made in a black and silver design with a few orange accents. It features a rubber-coated base, and is weighed down with a metal weight for stability. The user must place his left hand on the device to use it, as it was designed for right-handed people, who usually use a mouse with their right hands. The n52 has a movable hand rest ...
Ferrofluid on glass, with a rare-earth magnet underneath. A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements.Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.
The magnetic flux distribution of a linear Halbach array may seem somewhat counter-intuitive to those familiar with simple magnets or solenoids. The reason for this flux distribution can be visualised using Mallinson's original diagram (note that it uses the negative y component, unlike the diagram in Mallinson's article). [ 4 ]
The coil of the holding magnet is connected across the line. The holding magnet and starting resistors function identical as in the three-point starter. The possibility of accidentally opening the field circuit is quite remote. The four-point starter provides the no-voltage protection to the motor.
Magic Johnson (pictured here in 1999) sponsored the event in the 1990s.. The Roundball Classic, originally known as The Dapper Dan Roundball Classic (also known as Magic Johnson's Roundball, Sonny Vaccaro's Roundball Classic, EA Sports Roundball Classic, Asics Roundball Classic) is well known in the sports world as the first national high school All Star basketball game.