Important Applications of Amorphous Boron Powder in Different Fields
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Update time : 2022-02-21 09:42:19
What is amorphous boron powder?
Amorphous boron powder is black or dark brown powder. Crystal boron is black, its hardness is second only to diamond, and its texture is brittle. Boron is named boron. Its name comes from Arabic, which originally means "flux".
Amorphous boron powder properties
The elemental boron is black or dark brown powder. When oxidized in air, the continuous oxidation of internal boron is hindered due to the formation of boron trioxide film. It can react with fluorine at room temperature and is not corroded by hydrochloric acid and hydrofluoric acid aqueous solution.
Amorphous boron powder is insoluble in water. Powdered boron can be dissolved in boiling nitric acid and sulfuric acid, as well as most molten metals such as copper, iron, manganese, aluminum and calcium.
Amorphous boron powder applications
Amorphous boron powder is widely used in metallurgy, electronics, medicine, ceramics, nuclear industry, chemical industry and other fields.
Amorphous boron powder, as a boron fine chemical product, is widely used in metallurgy, synthesis, aerospace and other fields. It is also commonly used as deoxidizer, initiator of automobile airbag, pilot of rocket launch fuel, etc.
Crystalline boron is often used instead of diamond to make cutting tools or drill bits because it is very hard. In the process of metal smelting, a small amount of boron is added as deoxidizer to prevent metal oxidation at high temperature; On the other hand, the mechanical properties of metal can be improved.
Amorphous boron powder will become an important energy material, and its application in composite solid propellant has long been paid attention to. As a solid fuel, the calorific value of boron is more than twice that of carbon, about twice that of aluminum and more than twice that of magnesium. Its volumetric calorific value is almost three times that of hydrocarbon fuel, and its density is only slightly lower than that of aluminum. It has the highest volumetric calorific value. In terms of its energy, boron should be the best non-metallic fuel.
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