Rare Earth - Vitamin modern industry
Application of Rare Earth over 50 years of history. 50 years of the 20th century began to apply gas lamp mantles of rare earth, flint and the arc carbon rod, etc., and thus widely used in metallurgy, machinery, petroleum, chemical, glass and ceramics and other traditional industries to improve product performance, increase product variety, improve played a significant role in production efficiency. Rare Earth has become the improvement of product structure, increase the technology content, and promote technological progress of the important elements. The earth with less, the role of large, and has penetrated into all areas of the national economy has become indispensable in many industries, "agent", had been hailed as "the vitamin of modern industry."
King Permanent Magnet - NdFeB
Nd and Pr-Nd alloy metal is mainly used for manufacturing NdFeB permanent magnet materials, it is the world's strongest permanent magnetic body, known as "the permanent magnet of the King." Use it instead of the other permanent magnet material to enable the device volume and weight decreased exponentially, resulting in a very wide range of applications. Now the main application areas: permanent magnet motors, generators, magnetic resonance imaging device, magnetic, audio speakers, magnetic drive, magnetic lifting, instrumentation, magnetic fluids, magnetic devices, etc., has become the car manufacturers, GM machinery, electronic information industry and cutting-edge technology essential functional materials. Beginning of this century, China's production of NdFeB permanent magnet materials surpassed Japan to become the world's largest producer, to become the fastest growing consumer of rare earth functional materials.
Rare Earth Metallurgical - Mechanical Manufacturing
Steel with traces of rare earth can improve the strength of steel, toughness, wear and corrosion resistance. Aluminum-magnesium alloy of copper and other nonferrous metals in the grains can be refined by adding rare earth significantly improve the overall performance. Rare earth materials for aluminum cable can improve strength, electrical conductivity and corrosion resistance.
Rare earth in glass - ceramics
Glass ceramics industry is an important traditional areas of application of rare earth. Rare Earth in the glass industry is used as the optical glass additives, clarifying agents, bleaching agents, coloring agents and polishing powder, other elements play an irreplaceable important role.
Application of rare-earth nickel-hydrogen batteries
With the traditional chemical power (such as lead-acid, nickel cadmium, etc.), compared with a pollution-free nickel-hydrogen batteries, high specific energy, high power, fast charge and discharge, resistance to abuse and so many excellent features, has wide application and market prospects. Battery has the following characteristics:
1, large capacity: 6Ah ~ 200Ah, to meet the requirements of various types of electric vehicles
2, Nominal voltage: single 1.2V, battery voltage design upon request
3, high specific energy: 50 ~ 70wh/kg, to give electric cars a longer driving distance charge
4, the specific power: 160 ~ 800W/kg, also designed and developed according to user needs all types of high power or high power nickel-hydrogen batteries, electric cars and efficient given to start, climbing and acceleration or hybrid electric cars . According to high-power battery, high-energy type are designed for two types of batteries.
5, Long life: high-energy-type battery 300 ~ 800 (80%) DOD, to give electric cars the excellent performance / price ratio, high-power battery life handed down in a shallow charge-discharge cycles more than 20 million times.
6, temperature: -20 ? ~ 60 ? pollution: as the "green power", for today the development of electric vehicles of choice for most practical applications of the secondary power supply.
Nanocrystalline rare earth alloy magnetic powder
Nanocrystalline rare earth alloy magnetic powder industry, is the use of advanced, proprietary high-power high-frequency electromagnetic oscillation accelerating atomization of new technologies and new milling process, built a high yield of nanocrystalline rare earth alloy powder production line. Structure of the grain size of several tens of nanometers, can significantly reduce the oxygen content and improve the magnetic properties and corrosion resistance, and can reduce production costs and make powder with excellent cost performance.
The project's technical characteristics and innovation are:
1. To design a high-power high-frequency oscillations spray high melting point metal accelerating milling devices, and use of relevant technology to prepare nanocrystalline rare earth alloy powder.
2. Production of nanocrystalline rare earth alloy ceramic powder does not require mechanical grinding, high-purity raw material alloy powder than needed up to 1 micron particle size, powder particle size structure of up to 10um. Greatly improved magnetic performance.
3. With the magnet powder produced without the need for profiling under anaerobic conditions and sintering, in hypoxic conditions is also operational.
Giant Magnetostrictive Material
New functional materials, mainly refers to the Tb Dy Fe magnetostrictive alloy (Terfenol-D), with more than a traditional magnetostrictive materials and piezoelectric ceramics with high scalability to several times, it was known as giant magnetostrictive materials. The mechanical response of fast, high power density, size changes, the electrical - mechanical conversion technology breakthrough progress, opened up a new era of magnetostrictive material. Widely used in sonar, fuel injection, liquid valves, drives and other precision control, regulatory agencies and the Space Telescope regulators and other areas of the aircraft wing is a broad prospect of rare earth functional materials for the development of cutting-edge science, military technology and the modernization of traditional industries will have an important role.
Electric materials, rare earth
Lanthanum Chromite (LaCrO3) is a new functional material, can be used as high-temperature oxidation atmosphere furnace heating element, can be 1500 ~ 1800 ? high temperature for a long time to use, less than 5% change in resistance with good resistance to corrosion and chemicals stability, easy to achieve precise temperature control, 1750 ? ​​the following use for more than 4000 hours. Mainly used for precision ceramic sintering, high-temperature single-crystal materials preparation, materials, high temperature performance measurement, precious stones and other aspects of color processing. In fuel cells, thermal resistance, high temperature conductive coating and photocatalytic good prospects for development and other fields.
Rare Earth Application in Petrochemical Industry
Rare Earth can do a lot of inorganic and organic catalysts. For the catalytic cracking refining crude oil, can significantly improve the yield of light oil. Direct distillation of oil received only 15% to 20% of the gasoline, but increases in gasoline made of rare earth catalytic cracking of crude oil up to 80%. RE is also used for motor vehicle exhaust gas purification catalyst, synthetic rubber, paint driers, plastic stabilizer and polymer materials, and other fields of rare earth