Rare earth intermetallic compounds

by Izzy X. Product specialist

Rare-earth intermetallic compounds are metal compound phases formed between rare-earth metals and other metals or similar metals.

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SmCo5, Sm2Co7, Nd2Fe14B and Sm2Fe17Nx etc.
RENi5 hydrogen storage alloy.
TbDyFe giant magnetostrictive material.
TbFeCo rare earth-iron group metal amorphous thin film magneto-optical material
there are the following rare earth metal intermediate compounds with large market demand and industrialization and large-scale production:

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Review on Rare earth intermetallic compounds

(1) SmCo5, Sm2Co7, Nd2Fe14B and Sm2Fe17Nx etc.
Inter-rare earth compounds are rare earth permanent magnet materials with excellent magnetic properties and can be divided into sintered permanent magnets and bonded permanent magnets. Samarium-cobalt permanent magnetic materials have good high-temperature stability and anti-corrosion performance, and the devices mainly used for making traveling waves and circulators have obtained important applications in military and aerospace fields. Samarium iron-nitrogen bonded magnets have a lower rare earth content than neodymium-iron-boron magnets. The Curie temperature is about 740K. The room temperature anisotropy is about 15-16T, which is higher than NdFeB. The oxidation resistance and corrosion resistance of samarium iron-nitrogen are better than NdFeB magnets are expected to have good market prospects.
NdFeB is widely used, including high-tech fields, traditional and general civilian low-end magnets. NdFeB magnets are mainly used in high-tech fields such as electronics, computers, and medical treatment. Among them, VCM, MRI, and various types of motors / generators are mainly used. Applications include CD pickups, CD storage, DVD storage, mobile phones, and cordless electric drives. Tools, electric bicycles, electric mopeds and electric vehicles. In recent years, electric bicycles have developed rapidly, and their driving uses DC NdFeB permanent magnet motors, each of which uses 380g of sintered magnets.
2) RENi5 hydrogen storage alloy. AB5 type MM-Ni-Co-Al-Mn mixed rare earth multi-element alloy, the mixed rare earth content in the alloy accounts for about 34%. Hydrogen storage alloy is used as a negative electrode material in nickel-metal hydride batteries. It has the characteristics of high energy density, long life, no memory effect, excellent large current discharge characteristics and fast charging. It is widely used, mainly used as portable household appliances, digital cameras, notebooks The demand for computers

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