Magnesy z azotku żelaza vs neodym: Który magnes jest silniejszy od neodymowego?

Magnesy neodymowe są wybierane od dziesięcioleci, ponieważ są uważane za najsilniejsze magnesy trwałe dostępne na rynku. Jednak ostatnie badania mają na celu opracowanie jeszcze silniejszej alternatywy - magnesów trwałych z azotku żelaza. W tym artykule zbadamy właściwości i zalety magnesów z azotku żelaza w porównaniu do magnesów neodymowych (magnesy z azotku żelaza vs neodym).

What Magnet is Stronger Than Neodymium?

Iron Nitride Permanent Magnets

Scientists have successfully designed a process that generates iron nitride permanent magnets in bulk form, enabling various applications. Previously, only powders or thin films were produced, limiting their use. The magnetic energy property of iron nitride is reported to be more than twice that of neodymium, the strongest type of rare earth magnet available. This makes iron nitride permanent magnets much stronger than rare earth magnets, having a theoretical magnetic energy product of 130 mega gauss oersteds.

Iron Nitride Permanent Magnets: A Breakthrough in Magnet Technology

For more than te­n years, iron and nitrogen have be­en the subject of e­xtensive expe­rimentation by scientists and rese­archers to create­ a magnet stronger than neodymium. Initially, the­ir attempts only yielded unsuitable­ thin films or powders for many applications. However, whe­n they employe­d a fabrication process to produce bulk forms of these­ magnets, a wide range of possibilitie­s opened up for their use­.

Iron Nitride Magnets vs Neodymium

Siła

The magnetic energy property of iron nitride is reported to be more than twice that of neodymium, the strongest type of rare earth magnet available. This makes iron nitride permanent magnets much stronger than rare earth magnets, having a theoretical magnetic energy product of 130 mega gauss oersteds.

Koercja

The coercivity of iron nitride magnets is less than that of neodymium. Coercivity is a measure of a magnet’s ability to resist becoming demagnetized.

Material costs

The main components of Iron nitride magnets are iron and nitrogen, and the cost of raw materials is much lower than that of rare earth magnets.

Production Process

The production process of iron nitride magnets is more complicated. Several kinds of iron nitrides that can form magnetism are unstable, are in an unstable state from a chemical point of view, and can easily transform into other substances or other states. Moreover, iron nitride requires a high ratio of iron and nitrogen, and a large error will affect the magnetic properties.

Commercial availability

Magnesy neodymowe already have a very mature industrial chain, while Iron nitride permanent magnets are still in the early stages of development. Mass production of finished iron nitride magnets is an even greater challenge at this stage.

Environmentally Friendly

Iron nitride magnets are more friendly to the environment. They offer a greener alternative by utilizing common elements without depleting scarce resources(like rare earth).

Benefits And Features Of Iron Nitride Magnets

1. No Rare-Earth Inputs: Unlike neodymium magnets that rely on rare-earth materials, iron nitride magnets utilize low-cost and readily available nitrogen and iron inputs. This reduces production costs significantly.
2. Environmentally Friendly: The extraction of rare earth minerals for neodymium magnets has raised concerns about environmental damage. Iron nitride magnets offer a greener alternative by utilizing common elements without depleting scarce resources.
3. Compatible with Mass Production Techniques: The fabrication process used for iron nitride magnets is highly compatible with existing mass production techniques. This means that large-scale manufacturing can be achieved efficiently.
4. Wide Range of High-Tech Applications: Iron nitride permanent magnets are suitable for various high-tech applications such as electronics, wind turbines, and electric motors. Their superior magnetic properties make them ideal for demanding environments requiring strong magnetic fields.
5. Unprecedented Magnetic Properties: The theoretical limit of the magnetic properties of iron nitride magnets exceeds twice the maximum reported magnetic energy of rare earth magnets. This means that iron nitride magnets have the potential to outperform neodymium magnets in terms of magnetic strength.

Wnioski

Iron nitride permanent magnet research has shown promising results in creating a magnet stronger than neodymium while addressing rare-earth materials and environmental impact concerns. Although still in the developmental phase, iron nitride magnets offer exciting potential for revolutionizing various high-tech applications. As ongoing research continues to overcome production challenges, we can look forward to a future where these powerful magnets become more readily available.

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