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Neodymium – The Most Commonly Used of Rare Earth Magnets

Neodymium is the most commonly used of the rare earth magnets because of its strength and affordability.  Rare earth magnets are strong, permanent magnets which do not easily lose their magnetism and is the reason they are considered permanent.  Developed in the 1970s and 1980s, rare earth magnets are the strongest type of permanent magnet that is made.  Rare earth magnets are composed of alloys of rare earth elements, including iron, nickel and cobalt.  These magnets are usually plated or coated to protect them from breaking and chipping because they tend to be brittle, making them more vulnerable to corrosion.  The two types of rare earth magnets are Neodymium and Samarium-cobalt.  Neodymium is the strongest of all permanent magnets, including samarium-cobalt, alnico and ferrite.

Although the classification of rare earth magnet makes it sound unique and difficult to find, the truth is that the elements it is composed of – neodymium, iron and boron are common elements that are not rare at all, in fact they are very easily found, making neodymium the most affordable of the rare earth magnets.

Another advantage of neodymium is its strength.  Rare earth magnets are stronger than other permanent magnets and neodymium is the strongest of rare earth magnets. The strength of neodymium comes from its high magnetic field.

Despite its strength, affordability and popularity neodymium does have a couple of drawbacks.  With a lower Curie temperature than samarium-cobalt (another rare earth magnet), neodymium cannot resist excessively high temperatures, and could lose its magnetism if placed in an environment with a temperature that is too hot.  However, on the flip side neodymium performs well in cold, frigid temperatures.  The only other drawback to using neodymium lies in its durability.  Since it is less resistant to oxidation than samarium-cobalt, it needs to have surface treatments applied to protect it from scratching.  Neodymium is a brittle magnet, which can form cracks and is vulnerable to corrosion.  Therefore, manufacturers will apply a surface treatment such as gold, nickel, zinc or tin plating or coating as a protective measure.  With a good plating or coating the problem of oxidation is minimized.

Neodymium magnets have numerous uses in a number of different fields including industrial, security, health, mechanics and electronics.  Some of the uses of neodymium magnets include:

• Health care machines such as MRIs
• Alarms and security systems
• Computer hard drives
• Telephones
• Televisions
• Video applications
• Chip detectors
• Generators
• Oil filters
• Metal detectors

All types of magnets can be customized to suit your individual needs. Customizing magnets is easy and affordable.  Manufacturers offer magnets in a number of different sizes, shapes and strengths, however if the specific size, shape or strength of the neodymium rare earth magnets you need are not available it is not at all costly to have them customized and produced for you by the manufacturer. Being the most commonly used rare earth magnet, neodymium is affordable and strong, making it a good choice for a number of different applications.

About the Author

Open since 1984, Jobmaster Magnets is the only designer, manufacturer and customized magnet supplier in Canada.Contact Jobmaster Magnets at 1-866-526-7164 or visit www.jobmastermagnets.com to enquire about customizing neodymium rare earth magnets for your business or home.

What is a tex-mex pickup?

I want to compare the standard Fender telecaster with the deluxe nashville telecaster, and at first glance it would seem the only difference is the addition of a strat pickup in the latter version. However, when compared side by side on the Fender website, it is revealed that they contain different bridge pickups as well. The standard tele has a "Hot Tele Single-Coil Bridge Pickup with Alnico 3 Magnets" while the deluxe nashville holds a "Tex-Mex Tele Single-Coil Bridge Pickup"

Hello there,

Tex Mex pickups are overwound vintage style pickups. They tend to be a little hotter than a standard pickup. I don't recall whether they use Alnico 3 or 5 magnets in them. In the Strat line, Fender uses Tex Mex pickups in the Jimmie Vaughn Strat.

Later,

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Cesar A. Teste Sx Sst-62 + Caps Cabrera Hot Alnico Trio+ Guitar Rig 4

Seymour Duncan APTL-1 Alnico II Pro Lead $61.95 Seymour Duncan APTL-1 Alnico II Pro Lead Seymour Duncan APTL-1 Alnico II Pro Lead Description: Application: Warm, moderate-output single-coil for Tele®. Great for country, pop, jazz, blues and classic rock. Description: The sand cast Alnico 2 magnets and moderate windings yield a warm, sweet tone with more natural string vibration for great sustain. Players who get their distortion from the amp rather than the pickup love the Alnico II Pro. It allows them to back off the crunch and get beautiful clean tones with softer attack. Compared to the Vintage '54, the Alnico II Pro has a rounder sound with a spongier bass response making it well suited to brighter instruments. Comes with waxed cloth hookup cable. Rhythm version comes with a chrome-plated brass cover. Complete setup: Available for both rhythm (neck) and lead (bridge) positions. Often used in the rhythm position and matched with a higher output lead pickup like the STL-2 Hot. Rhythm pickup is RW/RP relative to the lead pickup for hum canceling when both pickups are used together. Guitars: For brighter toned instruments. Works especially well with maple fingerboards. Get your Seymour Duncan APTL-1 Alnico II Pro Lead today!

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Beltronics RX75 Pro Remote Radar Detector Includes long-range X, K and SuperWide Ka radar capability / Features 8 options for user-controlled customization / Front and Rear Receivers Controls - Master Volume, Tone 1. (Neck Pickup), Greasebucket Tone Circuit, (Rolls Off Highs without Adding Bass) Tone 2. (Bridge Pickup), Greasebucket Tone Circuit, (Rolls Off Highs without Adding Bass) Pickup Switching - 5-Position Blade- Position 1. ...

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