Sintered Alnico Magnets-tend To Be Small, Thin, Light And Complex Magnets Similar to other sintered magnets, sintered AlNiCo magnets are manufactured by powder metallurgy technology. Sintered AlNiCo magnets tend to be small, thin, light and complex magnets. In addition to high dimensional accuracy and strict tolerances. It also has superior mechanical strength and machinability. Compared with cast AlNiCo magnets, sintered AlNiCo magnets have higher material utilization, lower composition segregation and magnetic property fluctuation. Its overall magnetic properties are slightly lower than those of cast AlNiCo magnets, so it is not as commonly used as cast AlNiCo magnets.
Cast Alnico Magnets-more Widely Used Alnico Magnets Cast AlNiCo magnets are manufactured by traditional casting process. It is to melt the aluminum nickel cobalt alloy with different components and pour it into the resin sand mold, and then heat treat and cool the solidified material with rough surface. Depending on whether magnetic field orientation is applied during cooling, cast AlNiCo magnets can be divided into anisotropic and isotropic. For cast AlNiCo magnets, the anisotropy is a shape anisotropy, which is related to the slender Fe-Co particles in the Ni-Al matrix arranged parallel to the magnetic field during amplitude modulation decomposition. Therefore, after heat treatment, alnico material will be processed into specific geometry and tolerance.
Common & Custom AlNiCo Magnet For Sale
Meank manufacturer and supplier the following common alnico magnets:alnico rod, disc, block,ring,bar,side pole rotor, and horseshoe magnet. Precision magnet cutting, grinding, EDM, manufacturing and assembly according to your requirements and your specifications and tolerances.Shorter lengths of full-length rods and bars are available. For best results, the length of alnico shall not be less than five times the cross-sectional diameter.
Application of AlNiCo Permanent Magnets
Until today, AlNiCo magnet is still an important industrial magnet due to its unparalleled temperature characteristics.AlNiCo magnets perform well in applications with operating temperatures above 500 degrees.AlNiCo magnets can be used in instruments, meters, microwave devices, actuators, holding devices, sensors, etc.
Details of AlNiCo Magnets
As a non rare earth metal permanent magnet material, the composition of Aluminum Nickel Cobalt(AlNiCo) alloy magnet is usually 8-13wt% aluminum, 13-28wt% nickel, 5-24wt% cobalt, and the rest is iron. In addition, the enhancement of acicular phase is promoted to improve the intrinsic coercivity, and alloy elements such as copper, titanium and niobium are added to the matrix phase. Aluminum Nickel Cobalt(AlNiCo) magnets once occupied a dominant position in the permanent magnet industry before the birth of rare earth magnets with their strongest magnetic properties. Alnico magnet is famous for its excellent heat resistance / temperature stability, hard and brittle materials, and it is also a magnet with low to medium strength.
AlNiCo magnets perform well in applications with operating temperatures above 400 degrees According to the manufacturing process, AlNiCo magnets can be divided into cast AlNiCo magnets and sintered AlNiCo magnets.
