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Properties and application of Borides

2018-10-25 16:43 View:
Boron atoms are widely used in the electrical and chemical industries due to their different electronic structures. In addition to silver, zinc, mercury, antimony and lead, boron atoms can be combined with all metals to form boride.
Properties of boride: Metal boride has a good melting point, hard and electrical properties. Most borides are corrosion resistant. Titanium boride and zirconium boride have excellent acid resistance, and the specific resistance of manganese boride is extremely low, only 40 to 85 μm. The borides of rare earths and alkaline earth metals have excellent thermal electron radioactivity. For example, the lanthanum boride has a higher radiation current density than tungsten, and its lifetime is several thousand hours longer than tungsten. The single crystal of the boride has a high melting point and good chemical activity. For example, titanium boride and zinc boride can be produced by a gas phase method or a molten salt electrolysis method.
Application of boride:
1. Calcium boride, lanthanum boride and tantalum boride have excellent heat resistance, low density and high strength. They are widely used in lightweight heat resistant alloys, hot cathodes and high temperature thermocouples.
material.
2. Aluminum boride has good heat resistance, semi-conductivity and large neutron absorption energy, and has been used in the manufacture of semiconductor and atomic reactor materials.
3. Yttrium boride, lanthanum boride and cerium boride consume less energy and have been used as hot cathode materials.
4. Zirconium boride and titanium boride have high strength and wear resistance and can be used as metal cutting tools, drill bits and nozzle materials.
5. Hafnium boride, vanadium boride, niobium boride, tantalum boride and chromium boride, high strength at high temperature, good heat resistance and oxidation resistance, can be used as heat resistant alloy materials.
6. Aluminum boride, tungsten boride, with good heat resistance and high thermal conductivity, can be used as precision casting materials and heat resistant alloys.
7. Boron of manganese, iron, diamond and nickel, with high hardness and abrasion resistance, can be used as corrosion resistant materials.

titanium diboride powder TiB2 CAS 12045-63-5
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