For more information, please visit Horizon.
What is the strongest grade of neodymium magnets?
The N52 grade is considered to be the strongest grade of neodymium magnets. These magnets are known for their exceptional strength, making them highly sought after in various industries and applications.
The grade classification system for neodymium magnets is based on their maximum energy product, which is the measure of their magnetic strength. The energy product is the product of the magnetic field strength and the magnetic flux density. The higher the energy product, the stronger the magnet.
Neodymium magnets are made from an alloy of neodymium, iron, and boron, which is commonly referred to as NdFeB. The N52 grade specifically denotes that the maximum energy product of the magnet is 52 Mega-Gauss-Oersteds (MGOe) or 417 kJ/m³.
To understand the significance of the N52 grade, let's compare it to lower grades of neodymium magnets. For instance, the N35 grade has a maximum energy product of 35 MGOe, while the N42 grade has a maximum energy product of 42 MGOe. The jump from N42 to N52 may seem insignificant, but it actually represents a substantial increase in magnetic strength. The N52 grade is approximately 50% stronger than the N35 grade and around 20% stronger than the N42 grade.
The higher magnetic strength of N52 magnets allows for various benefits and applications. These magnets are commonly used in industries such as aerospace, automotive, electronics, and renewable energy. They are particularly useful in applications that require strong holding force, such as magnetic separators, motors, sensors, and magnetic closures.
Additionally, the increased strength of N52 magnets allows for downsizing and weight reduction in devices and systems. This can lead to improved efficiency, performance, and cost savings. In the renewable energy sector, for example, using N52 magnets in wind turbine generators can lead to higher power output and overall energy production.
However, it is important to note that the stronger the magnet, the more brittle and prone to corrosion it becomes. N52 magnets are more susceptible to chipping and cracking, so proper handling and protection are essential.
In conclusion, the N52 grade is the strongest grade of neodymium magnets, characterized by its high maximum energy product of 52 MGOe. The significant increase in magnetic strength compared to lower grades has various benefits and applications across industries. However, the inherent brittleness and susceptibility to corrosion should be taken into consideration when using N52 magnets.
Contact us to discuss your requirements of Demagnetization Curve For Sintered Neodymium Magnets. Our experienced sales team can help you identify the options that best suit your needs.