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德语Sintered AlNiCo magnet is manufactured by traditional powder metallurgy process. Aluminum, nickel, cobalt and other metal raw materials are mixed in a specific proportion, and powdered after smelting. The fineness and uniformity of the obtained powder particles have a great influence on the final magnet performance. The powder is pressed under high pressure to make it initially formed. Sintering in a high temperature environment promotes the fusion and densification of the powder particles. Through a series of processes such as heat treatment, magnetic property testing, machining and inspection, the product quality is ensured to meet the standards. Compared with the casting process, the powder metallurgy process shows significant advantages in controlling dimensional accuracy and tolerance, laying a technological foundation for the manufacture of small, thin, light and special-shaped magnets.
Magnetic performance analysis: overall slightly inferior, but also has highlights
Compared with cast aluminum nickel cobalt magnets, the overall magnetic properties of sintered AlNiCo magnets are slightly lower. Magnetic properties are usually measured by parameters such as remanence, coercive force and maximum magnetic energy product. In these key indicators, sintered products are often inferior to cast products. This does not mean that sintered AlNiCo magnets have no advantages. In certain specific application scenarios, although their magnetic properties are not top-notch, they can still meet the needs, and their strengths in dimensional accuracy, mechanical properties, etc. are enough to make up for the slight shortcomings of magnetic properties. In small electronic devices with strict space requirements and strict restrictions on magnet weight, sintered AlNiCo magnet has become a suitable magnetic material choice with its comprehensive advantages.
Applicable scenarios: ideal choice for small and special-shaped magnets
Sintered AlNiCo magnet shines in the field of small, thin, light and special-shaped magnets. In instrumentation, because it can be processed into tiny and complex-shaped parts, it can accurately meet the needs of various precision measurements and controls. In communication equipment, miniaturized and lightweight sintered AlNiCo magnet helps optimize equipment performance and improve signal processing efficiency. In the field of sensors, this type of magnet has become a key component for building high-precision sensors with its unique size and shape adaptability, which can keenly capture changes in various physical quantities and convert them into electrical signal outputs.
Comprehensive performance advantages: excellent mechanical and processing performance
In addition to excellent performance in dimensional accuracy and tolerance control, and reducing subsequent processing steps, sintered AlNiCo magnet also has excellent mechanical strength. This enables it to withstand large external force impacts without damage under complex working conditions, ensuring the stability and reliability of the magnet in practical applications. Good machinability also adds a lot to its application. Whether it is cutting, drilling or grinding, processing operations can be carried out relatively smoothly, which is convenient for customized processing of magnets according to different application scenarios. From the perspective of mass production, sintered AlNiCo magnets have a higher material utilization rate. During the casting process, due to the characteristics of the process, the material is prone to loss during the molding process, and the powder metallurgy process can effectively reduce the generation of waste through precise batching and molding control. This process performs well in controlling component segregation and magnetic property fluctuations, ensuring high quality consistency of mass-produced products.
