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Alternative Exploration of Rare Earth Resources
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Alternative Exploration of Rare Earth Resources

Rare earth is an indispensable raw material for the world's top scientific and technological products and military supplies. A report from a research institute predicts that the consumption of rare earth oxides needed to produce magnets will grow at an average annual rate of 9.7%. In 2030, the global consumption of rare earth oxides for magnets will increase by five times, and the market capacity will increase from US $2.98 billion this year to US $15.65 billion in 2030. Rare earth resources are not inexhaustible. In order to avoid the shortage of rare earth resources, it is necessary to invest and develop new supply sources and downstream industries to meet the global demand for rare earth metals, alloys, magnets and other materials in high-tech industries.

Nowadays, the supply of rare earth resources is in short supply, and the rare earth industry will also face major challenges and development opportunities in the future. Researchers in some countries are actively exploring new materials, hoping to replace rare earths.

At present, a boron doped anisotropic samarium (SM, fe0.8co0.2) 12 thin films have been developed by a material science institute and a university in Japan. It contains only a small amount of rare earth elements. The film was fabricated by fabricating a unique particle nanostructure in which the samarium 12 grains were uniformly wrapped by amorphous grain boundary phase with a thickness of about 3 nm. The magnetic properties of this compound are better than that of nd-fe-b-based magnets even if they are processed into thin films.

It is necessary to develop new magnets independent of this rare element. The compounds based on anisotropic smfe12 (smfe12) contain a small amount of rare earth elements, which may be the candidate materials for the next generation of permanent magnets.

A rare earth research and development center used rare earth to replace traditional additives such as lead oxide and cadmium oxide. They integrate rare earth antibacterial technology into traditional ceramic products, refine grains, change grain boundary distribution, and make safe and non-toxic light rare earth elements play a magical role in ceramic glaze. The antibacterial rate to Escherichia coli and Staphylococcus aureus was 99.9%, and the antiviral activity was 93%.

In addition, the research work on rare earth materials used in large torque motors, key parts of astronomical telescopes and other instruments and equipment is also advancing one by one.

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