Introduction to magnet classification
N52 super strong neodymium magnet ndfeb magnet permanent magnet
Characteristics: NdFeB permanent magnet material is a permanent magnet material based on the intermetallic compound Nd2Fe14B. NdFeB has extremely high magnetic energy product and corrective force. At the same time, the advantages of high energy density have made NdFeB permanent magnet materials widely used in modern industry and electronic technology, thereby making instruments, electroacoustic motors, and magnetic separation magnetization. It is possible to reduce the size, weight, and thickness of other equipment.
Material characteristics: NdFeB has the advantages of high cost performance and good mechanical characteristics; the disadvantages are that the Curie temperature point is low, the temperature characteristics are poor, and it is easy to be pulverized and corroded. It must be adjusted by its chemical composition and surface treatment methods. It can be improved to meet the requirements of practical applications.
Manufacturing process: NdFeB is manufactured by powder metallurgy.
Process flow: batching → smelting ingot → powder making → pressing → sintering and tempering → magnetic detection → grinding processing → pin cutting processing → electroplating → finished product.
Ferrite magnet features: Its main raw materials include BaFe12O19 and SrFe12O19. Manufactured by ceramic technology, the texture is relatively hard and it is a brittle material. Because ferrite magnets have good temperature resistance, low price and moderate performance, they have become the most widely used permanent magnets.
Ferrite magnet characteristics: It has higher magnetic performance, better time stability and lower temperature coefficient.
Ferrite magnet applications: Widely used in electric meters, meters, motors, automatic control, microwave devices, radar and medical equipment.
Ferrite magnet magnetization direction: can be magnetized axially, radially or on request.
Ferrite magnet shape: can produce cylindrical, circular ring, rectangular parallelepiped, flat, tile, axe.
Alnico magnet
Aluminum nickel cobalt magnet features: It is an alloy composed of aluminum, nickel, cobalt, iron and other trace metal elements. The casting process can be processed into different sizes and shapes with good workability. Cast aluminum-nickel-cobalt permanent magnets have the lowest reversible temperature coefficient, and the operating temperature can reach more than 600 degrees Celsius. AlNiCo permanent magnet products are widely used in various instruments and other applications.
Classification of AlNiCo magnets: It can be divided into two categories: cast AlNiCo and sintered AlNiCo.
Al-Ni-Co applications: Cast Al-Ni-Co products are mainly used in automotive parts, instrumentation, electro-acoustics, motors, teaching, and aerospace and military applications. It has a low temperature coefficient, high temperature resistance, humidity resistance, resistance to oxidation, and work stability. Good and so on. Sintered AlNiCo is produced by powder metallurgy. It is suitable for producing complex, light, thin and small products. It is widely used in instruments, communications, magnetoelectric switches and various sensors.
Alnico magnet shape: can produce cylindrical, circular ring, rectangular parallelepiped, flat, tile, horseshoe.
SmCo Magnet
SmCo magnets are also known as SmCo magnets, SmCo permanent magnets, SmCo permanent magnets, SmCo strong magnets, rare earth cobalt permanent magnets, and the like. It is a magnetic material made of rhenium, cobalt, and other rare earth metal materials after being mixed, melted into alloys, and pulverized, shaped, and sintered. It has a high magnetic energy product, an extremely low temperature coefficient, and a maximum operating temperature. It can reach 350 ℃, and the negative temperature is not limited. When the working temperature is above 180 ℃, its maximum magnetic energy product, temperature stability and chemical stability exceed NdFeB permanent magnet materials. Has strong resistance to corrosion and oxidation; it is widely used in aerospace, defense industry, microwave devices, communications, medical equipment, instruments, meters, various magnetic transmission devices, sensors, magnetic processors, motors, magnetic cranes Wait.
SmCo magnet production process: batching → smelting ingot → powder making → pressing → sintering and tempering → magnetic detection → grinding processing → pin cutting processing → finished product
The typical shape of samarium cobalt magnets: round pieces, rings, square pieces, square bars, tile shapes, special shapes can be processed according to.
