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TechTalk Blog by Dura Magnetics

How to Safely Handle Magnets

Magnets are produced in a wide array of sizes, shapes, and strengths, but there are similarities between all magnetic materials.  They are all relatively brittle which when coupled with their magnetic strength present a number of issues.  They also invoke curiosity, and who hasn’t heard the adage of what curiosity did to the cat.  Handling […]

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Magnetic Permeability:  Why Are Some Materials Attracted By A Magnet And Others Are Not?

Two magnets attract to each other because their fields interact.  Usually materials that are not magnets do not have a net external field, and obviously, they do not attract to things; however, some metal alloys can have a net field created by applying an external field.  This induced field is only present when the external […]

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Essential Advice For Choosing A Magnet Vendor

So the right type of magnet has been designed or selected for your application and now you’ve begun the task of finding a company that can supply the part, right? Well, it’s not always that easy as magnets are unlike other commodities and, in fact, they should not be treated as commodities, at all. At […]

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Neodymium (Rare Earth) Magnet Pull Force Calculation Tool Now Available

As part of our ongoing effort to provide magnet-related resources that may be useful to those in the field, we have added to our collection of magnetic property calculation tools. This particular resource is a magnetic force calculation utility that aids in estimating the attractive (pull) force of Samarium Cobalt magnets.

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Alnico Magnets for High Heat Applications

Since its incorporation in 1961, Dura Magnetics has been a leading manufacturer of fabricated Alnico magnets.  Alnico is an acronym used to reference the three primary elements used in the manufacturing process; aluminum, nickel, and cobalt.  Prior to the 1970’s and the advent of rare earth magnets, alnico was the strongest type of permanent magnet.  […]

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Selecting A Rare Earth Magnet

The term rare earth magnet is a generic name used to describe two types of magnetic material:  samarium cobalt and neodymium iron boron.  Both of these magnetic alloys utilize rare earth elements as the magnetic constituents and the characteristics offered by both material types lend themselves to specific applications.

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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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