Overview of rare earth metals and intermediate all

by Izzy X. Product specialist
The vast majority of single rare earth metals and their intermediate alloys are used to produce new rare earth metal materials such as neodymium iron boron, and samarium cobalt permanent magnet.
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  • Neodymium metal, praseodymium and praseodymium neodymium alloy
  • Dysprosium and terbium
  • Samarium Metal
  • Metal yttrium, cerium, scandium and gadolinium
  • Metal lanthanum
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Neodymium metal, praseodymium and praseodymium neodymium alloy
Neodymium has the hard-magnetic properties caused by the good 4f electron spin arrangement and has become the largest user of neodymium iron boron permanent magnet materials. In recent years, the global neodymium iron boron materials have developed rapidly, and the large application of neodymium metal in neodymium iron boron permanent magnet materials has driven the rapid development of the rare earth industry. In addition, neodymium metal as an alloy additive has good purification, modification and alloying effects on many non-ferrous metal alloys. Adding 1.5%-2.5% neodymium to magnesium or aluminum alloy can improve the high-temperature performance, airtightness, and corrosion resistance of the alloy.
Praseodymium is a synergistic element that can improve magnetic properties. Adding an appropriate amount of praseodymium to samarium drill permanent magnets and neodymium iron boron permanent magnets can effectively improve and improve the performance of permanent magnetic materials. Adding part of Pr to SmCo5 to replace Sm can improve the magnetic energy product of water magnetic materials. Adding 5% to 8% Pr to NdFeB, up to 10% can replace 13 neodymium alloy, which can improve the magnet's oxidation resistance, coercive force and mechanical properties. The neodymium alloy has become an independent product, which can be used not only in water magnetic materials, but also as a non-ferrous metal alloy modification additive.
Dysprosium and terbium
Metal dysprosium and dysprosium iron alloys and metal terbium and terbium iron alloys are used as modifying additives for high-performance NdFeB permanent magnet materials. Adding 2% to 5% of metal dysprosium and lower amounts of metal terbium in the NdFeB magnet can significantly improve the coercivity and service temperature of NdFeB permanent magnet materials.

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About Izzy X. Junior   Product specialist

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Joined APSense since, December 4th, 2018, From Miramar, United States.

Created on May 6th 2022 03:04. Viewed 124 times.


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