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Alnico Magnets

A reliable source for Alnico Magnets information and leading Alnico Magnets Companies & Manufacturers.

The magnetic alloy, “alnico,” is an acronym of aluminum, nickel and cobalt, the three main elements in this mid-grade permanent magnet. Some characteristics of alnico are that it is hard, brittle, has a low coercive force, excellent temperature stability, high residual induction and fairly high energies. Read More…

Alnico Magnets Alnico magnets are a type of permanent magnet that is manufactured from a specific magnetic alloy for the properties that it contains.
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Leading Manufacturers

Valparaiso, IN  |  219-465-1998

Our customers know they can trust us to provide them with the best magnets in the industry. We supply magnets from only the best manufacturers in the world. We will not offer substandard products or anything that is not the most cost-effective solution.

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International MagnaProducts, Inc. $$$

Rochester, NY  |  800-593-9127

Founded in 1895, Arnold Magnetic Technologies is a leading global manufacturer of high performance permanent magnets, electromagnetics, magnetic assemblies, and precision thin metals.

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Arnold Magnetic Technologies $$$

Erie, PA  |  814-835-6000

Since 1942, Eriez has been specializing in separation technology for a variety of industries. Eriez designs, develops, and manufactures magnets and related products. Eriez has 8 locations addition to their headquarters in Pennsylvania, making it convenient to ship their products all over the world. With proper care, Eriez magnet products can last a lifetime and not lose strength. Eriez offers many magnet products and stocks popular quick ship products as well for immediate needs. Call Eriez today for more information!

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Eriez $$$

West Chester, OH  |  513-874-7326

At TyTek Industries, we are experts in manufacturing magnetic components. Our magnetics catalog include magnetic assembly, alnico magnets, rare earth magnets, and many more. It is our team’s mission to always draw on our strengths and experience to ensure the very best service and quality for our customers. For more information, visit our website or call today!

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TyTek Industries $$$

Boca Raton, FL  |  561-392-2103

Radial Magnets is a leading team of supply chain specialists that value the customers experience as main priority. As a seller of Neodymium magnets and assemblies. We do not sell any other magnets due to Neodymium being the strongest magnet available. We pride ourselves in on-time delivery, as well as our superior quality standards.

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Radial Magnets $$$
placeholder image International MagnaProducts, Inc. Arnold Magnetic Technologies Eriez TyTek Industries Radial Magnets

Alnico magnets, in addition to their composition of aluminum, nickel and cobalt, can also be alloyed with iron, copper and often titanium in order to create a magnet with a stronger magnetic force than all other permanent magnets (with the exception of the rare earth elements of neodymium and samarium-cobalt).

More cost-effective than high-strength rare earth magnets and having higher magnetic force and permanence than ceramic magnets, alnico magnets are the perfect fit for a wide range of applications. For instance, cow magnets are made exclusively from alnico, and alnico magnets are also used in sound amplification, electric motors, sensors and many sorting and lifting tools.

In addition to these applications, alnico magnets are utilized in industries including instrumentation, research and music for electric guitar pickups, loudspeakers, traveling wave tubes and many others.

Alnico Magnet Alnico Magnet - Adams Magnetic Products Co.

Alnico magnets are similar to ferrite ceramic magnets but are less brittle, more easily fabricated into shapes, and have higher magnetic resistance. Being a metallic magnet rather than ceramic, they do not need always to be nickel-coated for structural applications like ceramic magnets do.

Additionally, alnico magnets have medium-high magnetic force but relatively unstable magnetic permanence under corrosion or vibration, making them unsuitable for motor, water treatment and sound speaker applications. There are two main methods by which alnico magnets are fabricated: casting and sintering processes.

The casting process entails heating up the alnico until it achieves a molten state, and then pouring the molten alnico into a mold. Once in the mold, the alnico is further processed by means of varied heat treating cycles. Cast alnico magnets offer the advantage of working extremely well in terms of magnetic capability, but suffer in terms of mechanical properties as they are often characterized by casting voids and hairlines cracks in the alnico.

The sintering process, on the other hand, involves the manufacturing of solid parts, such as various stock magnet shapes like rods, bars, channels and horseshoes, from powdered materials that are heated to just below the melting point in order to cause particulate adhesion.

Alnico Magnets Informational Video

 

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