Characteristics of neodymium magnets

Neodymium magnet is the most powerful magnetic material known to science today.. It is based on the hard metal neodymium, which acquires the ability to magnetize when combined with iron and boron. Power, developed by such a magnet, exceeds other analogues in 10 once. In this case, it is demagnetized only on 5% annually.

Areas of use

The use of such magnets is carried out in industry and everyday life. They are used in the following cases:

• To fix various elements. These include photos, Signs, plates.
• To keep the souvenirs on the refrigerator.
• For the collection in hard -to -reach places of metal small parts.
• Like door locks, eg, Magnet Puck, what you need for magnetic latch furniture cabinet.
• Like magnetic praises for curtains.
• In mechanical engineering and medicine…

They are fixed on the surface by gluing, or sewing.

note! When handling strong magnets, you must be careful. During attracting the subject to it, it is easy to pinch your finger. Moreover, A dent may remain on a metal surface from a blow.

Magnet power

The strength of the adhesion to the metal surface of the neodymium magnet is so large, that he is able to raise an item in 50-100 once, exceeding its own weight. Moreover, its value depends on a number of factors:

• Dimensions of the raised product.
• Magnet class.
• Surface roughness, on which a metal object lies.
• The presence of paint or rust on a metal workpiece.

An important characteristic of a neodymium magnet is its adhesion force with a metal object. However, it happens 2 species:

1. For separation. This is power, which must be attached to the subject, to tear it off the surface.
2. On the shift. This is an effort, which should be attached to the details, to move it to the side.

note! The clutch force on the shift is usually the main parameter for neodymium magnets.

Accepted marking

All neodymium magnets are marked with the letter "N". The digit of the following indicates its magnetic power. Of all types of products are most commonly found magnets of brands from N35 to N52. Moreover, the most popular are N36-N45. The use of a higher class magnet goes on the case, when it is necessary to achieve strong adhesion to the metal surface in a limited space.

Properties of the material

The following properties are characteristic of neodymium magnets:

• Their effectiveness increases with a decrease in temperature.
• Can work with good return only to temperature + 80. In the future, with an increase in temperature on 1 Their energy decreases by 0 – 11%.
• With a rapid transition from cold to heat, they can lose their magnetic properties.
• They have high fragility.
• Like any metal is subject to corrosion. For this reason, they are covered on top with a protective coating in the form of zinc, meditine, Gold, Rubber or Teflon.

You can never keep phones near magnets, Mechanical watches or credit cards. All these things can deteriorate.