A ferrite is a ceramic material made by mixing and firing large proportions of iron(III) oxide (Fe 2 O 3, rust) blended with small proportions of one or more additional metallic elements, such as barium, manganese, nickel, and zinc. They are both electrically nonconductive, meaning that they are insulators, and ferrimagnetic, meaning they can easily be magnetized or attracted to a magnet.
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Technology has since expanded the availability of magnetic materials to include various manmade products, all based, however, on naturally magnetic elements. Composites. Ceramic, or ferrite, magnets are made of a sintered composite of powdered iron oxide and barium/strontium carbonate ceramic.
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Below are some cool facts about magnets that will surely peak your interest and have you excited for more. Fun Facts About Magnets. Some magnets are found naturally in the earth. Lodestones are natural magnets made from a substance called magnetite. Other magnets are made from magnetic materials like steel, iron, nickel and cobalt.
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Neodymium Magnets The Strongest Permanent Magnets Available Today! Neodymium magnets (also known as "NdFeB", "Neo" or "NIB" magnets), are strong permanent magnets made from an allow of neodymium, iron boron. Part of the RareEarth magnet family, they have the highest magnetic properties of all permanent magnets.
Jeff, good questions. The whole 'AlNiCo mojo' is about smooth compression at high average levels, such as what you would have running the amp flat out. AlNiCo (AluminumNickelCobalt) is an alloy magnet and all alloy magnets are easier to demagnetize than comparable Ceramic (Strontium Ferrite) magnets.
All About Magnets; All About Magnets Magnet Glossary. Magnetism is a broad and wellresearched science with a language of its own. Our magnet glossary, culled from respected resources around the internet, is your onestop shop for clear definitions of key magnet terminology. Bookmark it or print it out and keep it close to help when you get ...
This may not help a lot, but here is one person's opinion + facts about magnetic cores: sonicwrench forum. Q: What is the difference between Alnico and ceramic magnets? A: Alnico magnets are made of an alloy of Aluminum, Nickel, and Cobalt. Ceramic magnets are made from ferrites (often iron oxides).
The magnetic field's lines of force exit the magnet from its north pole and enter its south pole. Permanent or hard magnets create their own magnetic field all the time. Temporary or soft magnets produce magnetic fields while in the presence of a magnetic field and for a short while after exiting the field.
Magnets come in a variety of shapes and sizes like disc, sphere, horseshoe and a number of other unique forms. Usually, bigger magnets are stronger, but now always. Small magnets can be improved to increase strength by using different materials. The shape of a magnet, however, can tell you a lot more than size. Each magnet's shape has an influence how it is used.
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Aug 11, 2016· New to magnets? Don't know which type you need? Join me as I identify the different types of magnets and see which type you need. Edit: These are the types of magnets .
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Dec 28, 2016· Because the ceramic magnet isn't introducing compression, the result is a cleaner sound in comparison to alnico. Some folks might liken the difference between alnico and ceramic speakers to the difference between tube and solidstate amplifiers, where one compresses smoothly and the other gives all it has and then clips hard.