As reported by IQS Directory in their article “Applications of Magnets,” magnets are employed in a wide range of applications across various contexts and purposes, coming in sizes ranging from tiny components to large structures. In everyday life, magnets are integral to many devices such as hard disks in computers, televisions, radios, and speakers.
Magnetic stripe technology enables data storage on plastic cards by encoding information into tiny magnetic bits along a stripe on the card. This technology, known as magstripe, underpins credit and debit cards, significantly reducing cash transactions globally. Magnetic stripe cards have enabled financial institutions and banks to efficiently handle a wide range of card-based transactions and processes.
Magnetic stripes are integral to countless transactions daily and are widely used in various identification cards. Card readers quickly extract details from these magnetic cards, sending the information to banks for authorization. However, contactless payment systems have increasingly rivaled magnetic card transactions in recent years. This modern method uses signals from a small chip to transfer transaction details, eliminating the need for a magnetic stripe. Apple Inc. has been a pioneer in advancing contactless payment systems.
In speakers, a small coil of wire and a magnet work together to convert electronic signals into sound vibrations. Similarly, generators utilize magnets to transform mechanical energy into electrical energy. Magnets are also crucial in various mechanical and electrical motors, converting electrical energy into mechanical motion.
Magnets play a key role in lifting large metal objects too heavy for manual handling, such as in crane operations. They are also used in the separation and filtering of metallic ores from crushed rocks, and in the food processing industry to remove small metal contaminants from grains. These examples showcase the diverse applications of magnets.
Despite their wide range of applications, several significant drawbacks are associated with different types of magnets. Ferrite magnets, produced through molding and sintering, are challenging to machine, resulting in simple shapes and large dimensional tolerances. Samarium Cobalt magnets are quite brittle, complicating the processing of small-sized products. Many magnets also suffer from degradation at very high temperatures. Neodymium magnets are prone to corrosion, requiring protective coatings to maintain their durability.
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Article with all rights reserved, courtesy of iqsdirectory.com