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The coercivity is a measure of the degree of magnetic hysteresis and therefore characterizes the lossiness of soft magnetic materials for their common applications. The saturation remanence and coercivity are figures of merit for hard magnets, although maximum energy product is also commonly quoted.
The name "exchange spring magnet" is derived from the reversibility of magnetization. [2] The dimension of the soft phase inside the exchange spring magnet should be kept small enough so as to retain reversible magnetization. Additionally, the volume fraction of the soft phase needs to be as large as possible in order to achieve a high ...
Pages in category "Types of magnets" The following 31 pages are in this category, out of 31 total. ... Ferrite (magnet) Field magnet; H. Halbach array; Horseshoe ...
"Metal capable" decks had to be equipped with new heads built around sendust or permalloy cores, or the new generation of glass ferrite heads with specially treated gap materials. [ 83 ] Metal particle tapes, particularly top-of-the-line double coated tapes, have record high midrange MOL and treble SOL, and the widest dynamic range coupled with ...
A magnet is a material or object that produces a magnetic field.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.
Hexagonal ferrites or hexaferrites are a family of ferrites with hexagonal crystal structure. The most common member is BaFe 12 O 19, also called barium ferrite, BaM, etc. BaM is a strong room-temperature ferrimagnetic material with high anisotropy along the c axis. [1]
The article states that ferrite is "one of the few substances that combine these two properties," being both magnetic and electrically insulating. But is this really true? I'm a magnet scientist and I know of all sorts of insulating magnets. Lots of rare earth oxide magnets are both magnetic and insulating, due to the localized 4f orbitals.
HSAB is an acronym for "hard and soft (Lewis) acids and bases".HSAB is widely used in chemistry for explaining the stability of compounds, reaction mechanisms and pathways. It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species.
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