0769-23388351
Toggle Navigation
Are AlNiCo magnets strong magnets? Are you curious? Today, the permanent magnet supplier Courage is here to tell you about it.
At present, among the magnet materials used on the market, the most magnetic ones are NdFeB magnets, which can withstand up to about 220°, followed by samarium cobalt, which can withstand temperatures up to 350 degrees. AlNiCo and ferrites are very magnetic. Weak, not strong magnetic, but the temperature resistance is quite good. This is also a law of magnets, magnetic force and temperature resistance are inversely proportional.
Comparison with ferrite: AlNiCo has much higher remanence and magnetic energy product than ferrite (ceramic magnets), making it a stronger magnet.
Comparison with samarium cobalt: Samarium cobalt outperforms aluminum-nickel-cobalt in terms of magnetic energy product and coercivity at room temperature, and it also has excellent temperature resistance (up to 300-350°C), but it is more expensive.
Comparison with neodymium-iron-boron: Neodymium-iron-boron has the highest magnetic energy product and coercivity today, making it the strongest “magnetic king” at room temperature. However, its fatal weakness is poor high-temperature performance (typically operating below 180°C, with high-temperature grades also below 230°C), and it is prone to demagnetization and corrosion at high temperatures.
Comparison with its historical status: Before the advent of rare earth permanent magnets (samarium cobalt, neodymium iron boron), aluminum nickel cobalt was the undisputed “magnetic king,” representing the strongest permanent magnets humanity could produce.
Summary: Aluminum-nickel-cobalt alloys undoubtedly belong to the traditional category of strong magnetic materials. They have written a glorious chapter in the history of permanent magnet materials, and with their high remanence and especially outstanding high-temperature stability and reliability, they continue to play an irreplaceable role in critical fields with high-temperature and high-reliability requirements. Although it has been surpassed in absolute magnetic performance by rare earth magnets such as neodymium-iron-boron, AlNiCo's stable performance under specific operating conditions makes it an indispensable “high-temperature strong magnetic guardian” in the permanent magnet material library.
See more magnet FAQs: https://www.dgcourage.com/zhishi/
Super magnet products;
Neodymium round magnets with a diameter of 5mm and a thickness of 4mm are more commonly used. If you feel that the magnetic force is not enough, the performance level can be appropriately improved. Welcome to consult the price!...
Our company is a permanent magnet supplier from China. We are good at processing micro-precision magnets, high-performance magnets, special-shaped magnets, and multi-pole ring magnets. The quality is guaranteed and the price is not expensive. We look forward to customer consultation from all over the world....
The sample is an N52 high-performance ultra small hole radially sintered neodymium rotor magnet, with specifications of 2mm outer diameter, 0.9mm bore, and 4.5mm height....
This is a square neodymium magnet for earphones, the length and width are 5mm, the thickness is 2mm, the thickness is magnetized, the surface is galvanized, 1mm or other thickness can also be selected, non-high temperature grade, the maximum working temperature is less than 80 ℃...
The sample is a high-performance ferrite rotor magnet with a radial 3-pair pole configuration (6 poles), measuring 20mm in outer diameter, center bore diameter of 8mm, and height of 27mm. surface magnetic flux density reaches approximately 1800 Gauss....
This is a small-sized short bar shaped neodymium iron boron strong magnet with a specification of 1.5 × 1.5 × 10mm. It is made of N42 performance grade neodymium iron boron material and magnetized along the length direction (10 mm direction)....
This is a rare earth NdFeB strong magnet with a length of 30mm, a width of 20mm and a thickness of 10mm. Surface treatment is nickel-copper-nickel, and the thickness is 10mm. Magnetization direction is length direction....
This product is a small rare earth NdFeB magnet ring, with gold plated surface, N52 grade, the magnetization method is axial, the size is 5mm outer diameter, 2mm inner hole, 2mm height, and the tolerance can be ±0.02mm. Welcome to consult us for the price....