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These samarium–cobalt magnet alloys (generally written as SmCo 5, or SmCo Series 1:5) have one atom of rare-earth samarium per five atoms of cobalt. By weight, this magnet alloy will typically contain 36% samarium with the balance cobalt. [9] The energy products of these samarium–cobalt alloys range from 16 MG·Oe to 25 MG·Oe, that is ...
An important use of samarium is samarium–cobalt magnets, which are nominally SmCo 5 or Sm 2 Co 17. [104] They have high permanent magnetization, about 10,000 times that of iron and second only to neodymium magnets. However, samarium magnets resist demagnetization better; they are stable to temperatures above 700 °C (1,292 °F) (cf. 300–400 ...
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Cobalt: 8.86: 25 (6.925 ... Samarium: 7 ...
Introduced in 2004, they were similar to the Vintage Noiseless pickups, but Lawrence's research into controlling magnetic eddy currents led him to employ miniaturized samarium cobalt alloy magnets instead of Alnico V. Samarium cobalt is a rare earth magnet that is more powerful than the Alnico V magnets traditionally used in pickup design.
Samarium–cobalt magnets (chemical formula: SmCo 5), the first family of rare-earth magnets invented, are less used than neodymium magnets because of their higher cost and lower magnetic field strength. However, samarium–cobalt has a higher Curie temperature, creating a niche for these magnets in applications where high field strength is ...
Samarium–cobalt magnets are made from an alloy of samarium and cobalt, known for their high magnetic strength, excellent temperature stability and resistance to demagnetization. [4] They are often used in applications requiring powerful and stable magnets, such as in motors , aerospace , military equipment, and high-temperature environments.
This magnetic energy value is about 18 times greater than "ordinary" ferrite magnets by volume and 12 times by mass. This magnetic energy property is higher in NdFeB alloys than in samarium cobalt (SmCo) magnets, which were the first type of rare-earth magnet to be commercialized. In practice, the magnetic properties of neodymium magnets depend ...
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