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smco magnets are among the most frequently used rare earth magnets. They are extremely strong and resistant to corrosion. They provide better performance and a lower temperature coefficient than the neodymium magnetics. They are also available as a variety grades. They can be used for various applications, such as permanent motors that are high-performance, Halbach arrays, and magnetic sensors.
SmCo is a rare earth magnet that is made of metallic cobalt, samarium and other elements. It has a high coefficient of coercivity which allows it to resist demagnetization. It also has good temperature coefficients, which is the reason it is utilized in high temperatures. It is also less corrosive than NdFeB. It is the ideal option for applications that require high performance and excellent corrosion resistance.
It can also be used in reed switch applications which require a top-quality magnetic material that has excellent thermal stability. However, the price of SmCo magnets is quite expensive. They also require special handling and processing. In addition, their performance will vary with the magnetic circuit they are used in. This makes SmCo magnets an excellent option for applications that require a high level of precision in their sensing.
Cobalt and samarium can be mixed to create an alloy. The alloy is then melted under specific conditions. The alloy is then cooled and ground into a powder. The alloy is then baked at between 1150 and 1200 deg. This process is called sintering. When the alloy is completed and bonded, it is done using a chemical bonding procedure. The bonding chemical acts like a sealant , and keeps the magnet powder in the correct position.
Samarium cobalt magnetics are utilized in high-performance permanent motors. They are also used in microphones, and in applications that reduce the effects of temperature. These magnets are expensive however they are thermally efficient and are suitable for high temperatures. They also have very high coercivity and are stable at temperatures higher than the Curie point of NdFeB.
Samarium Cobalt SmCo is a substitute for magnets made of neodymium. This is due to the fact that they have higher temperature stability and coercivity, and have higher energy products than NdFeB. SmCo also has lower temperature coefficient than NdFeB therefore it is able to operate at higher temperatures. This makes SmCo an ideal choice for applications with temperatures ranging from -300 deg C to 525 deg C.
SmCo magnets are available in different grades, and the balance between the resistance to temperature and the cost of balance is a crucial aspect in deciding on the grade to choose. They are also available in 2:17 and 1:5 structures. The 1:5 material is a mix of 37 percent samarium, and 63% cobalt and it is able to be magnetized with multiple poles. It has a maximum operating temperature of 250degC, while the 2:7 material can reach an operating temperature of 350degC.
Samarium cobalt magnetics have high coercivity, which means that they resist demagnetization. They are utilized in high-performance permanent magnetic motors due to their excellent temperature stability. The price of SmCo magnets is expensive however they have excellent corrosion resistance. They are also available in a variety of grades and are used in a wide range of applications like high-performance permanent magnets, HalbachArrays, magnetic sensors, and permanent motors with high-performance. They are also used in automotive manufacturing.https://www.youtube.com/embed/o2po_5BYSHw