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  2. Magnet - Wikipedia

    en.wikipedia.org/wiki/Magnet

    This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials, such as iron, steel, nickel, cobalt, etc. and attracts or repels other magnets. A permanent magnet is an object made from a material that is magnetized and

  3. Ferromagnetism - Wikipedia

    en.wikipedia.org/wiki/Ferromagnetism

    Ferromagnetism is a property of certain materials (such as iron) that results in a significant, observable magnetic permeability, and in many cases, a significant magnetic coercivity, allowing the material to form a permanent magnet. Ferromagnetic materials are noticeably attracted to a magnet, which is a consequence of their substantial ...

  4. Neodymium magnet - Wikipedia

    en.wikipedia.org/wiki/Neodymium_magnet

    These cranes lift ferrous materials like steel plates, pipes, and scrap metal using the persistent magnetic field of the permanent magnets without requiring a continuous power supply. [44] Magnetic cranes are used in scrap yards, shipyards, warehouses, and manufacturing plants. [45]

  5. Magnetism - Wikipedia

    en.wikipedia.org/wiki/Magnetism

    The magnetic moments of atoms in a ferromagnetic material cause them to behave something like tiny permanent magnets. They stick together and align themselves into small regions of more or less uniform alignment called magnetic domains or Weiss domains .

  6. Rare-earth magnet - Wikipedia

    en.wikipedia.org/wiki/Rare-earth_magnet

    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.

  7. Ferrite (magnet) - Wikipedia

    en.wikipedia.org/wiki/Ferrite_(magnet)

    It has been widely used in industrial applications as permanent magnets and, because they can be powdered and formed easily, they are finding their applications into micro and nano-types systems such as biomarkers, bio diagnostics and biosensors. [34] Barium ferrite Ba Fe 12 O 19 (Ba O · 6 Fe 2 O 3), a common material for permanent magnet ...

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