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The chemical symbol is Nd, the atomic number is 60, one of the lanthanide elements, and the element is silver-white metal. It can quickly darken in the air and generate oxides; it reacts slowly in cold water and reacts quickly in hot water. Neodymium-doped yttrium aluminum garnet and neodymium glass can be used as laser materials instead of ruby, and neodymium and praseodymium glass can be used as goggles.
Neodymium is chemically active, it oxidizes slowly in the air at room temperature, and can burn to form neodymium oxide.
It reacts slowly with cold water and quickly with hot water to form neodymium hydroxide.
Application field
With its unique position in the rare earth field, neodymium has become a hot spot in the market for many years. The largest user of metal neodymium is NdFeB permanent magnet material. The advent of NdFeB permanent magnets has injected new vigor and vitality into the rare earth high-tech field. NdFeB magnets have a high magnetic energy product and are known as the contemporary "king of permanent magnets". They are widely used in electronics, machinery and other industries for their excellent performance. The successful development of the Alpha Magnetic Spectrometer marks that the magnetic properties of my country's NdFeB magnets have entered the world-class level. Neodymium is also used in non-ferrous materials. Adding 1.5-2.5% neodymium to magnesium or aluminum alloy can improve the high temperature performance, air tightness and corrosion resistance of the alloy, which is widely used as aerospace material. In addition, the neodymium-doped yttrium aluminum garnet produces a short-wave laser beam, which is widely used in the industry for welding and cutting of thin materials with a thickness of less than 10 mm. In medical treatment, neodymium-doped yttrium aluminum garnet lasers are used to remove surgical or sterilized wounds instead of scalpels. Neodymium is also used in the coloring of glass and ceramic materials and as an additive in rubber products. With the development of science and technology and the expansion and extension of rare earth technology, neodymium elements will have a wider space for use.
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