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TechTalk Blog by Dura Magnetics

Magnets in the News: How Cobalt & Neodymium Demand Impacts Magnet Pricing

As global demand for Cobalt and Neodymium continues to rise, magnet manufacturers and fabricators have to deal with a volatile pricing situation. Cobalt and Neodymium are key raw materials used in the manufacturing of rare earth magnets.  As you might guess, Neodymium is an essential component of Neodymium magnets, while Cobalt is an essential component […]

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Dura Magnetics – ITAR Registered and Compliant

Regular readers of this blog likely already know that Dura Magnetics designs and manufactures comprehensive magnetic solutions for a wide variety of industries. As part of this, we are sometimes called on to perform design and manufacturing on projects tied to Aerospace and Defense contract work. Oftentimes, the magnets and magnetic assemblies used in these projects have technology export restrictions.

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Dura Magnetics Is Now an AS9100D Certified Company

As an AS9100 certified magnet supplier, Dura Magnetics must continually ensure that our business and manufacturing practices properly follow the requirements set forth by the standard.  With AS9100C being phased out and becoming fully replaced with the revised AS9100D standard on September 15, 2018, we have already taken the appropriate steps to ensure compliance with this standard before its final implementation date.

We are proud to announce that Dura Magnetics is now an AS9100D certified company.

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Choosing the Correct Cup & Base Magnetic Assembly

The magnetic cup and base assembly is a simple, but very useful, magnetic assembly.  The magnetic base allows for it to be attached to most ferrous surfaces, while the steel cup allows for several different attachment possibilities…

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How is Alnico 8 Different from Alnico 5?

Alnico is a common and very commercially mature magnet alloy comprised of Aluminum, Nickel, Cobalt, Titanium and Iron. (There are also small amounts of various other elements including, but not limited to; copper, silicon, columbium, and zirconium.)

Alnico has a very high Residual Induction (Br). This characteristic of a magnet offers a sense of how large/strong of a magnetic field a particular magnet alloy can generate. (Typically the higher the Residual Induction the larger, more dense the magnetic field can be generated by a magnet.)

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Thermal Cycling Effects on Rare Earth Permanent Magnets

Many times, we are asked about the effects of thermal cycling on rare earth permanent magnets, but there is not a simple rule of thumb to offer. From a first order standpoint, thermal cycling will degrade the performance of rare earth Neodymium Iron Boron and Samarium Cobalt magnets. There are two primary mechanisms which drive this degradation. One occurs quickly, and the second occurs over a long period of time…

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Did You Know?

Nickel/Epoxy/Parylene coatings can help reduce corrosion and chipping while extending magnet service life.

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