Aluminum Boride Powder Properties And Preparation

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Aluminum boride AlB2 is a binary chemical compound that is formed from aluminum and boran. It is a dark gray powder at normal temperatures and pressures. It loses the gloss on its surface when heated.

Aluminum Boride Powder Properties

Aluminum diboride remains stable in cold dilute acids, but decomposes when heated hydrochloric or nitric. After heating and reacting, fine powders of aluminum are mixed with boron.
Aluminum diboride and AlB12 are two compounds of aluminium and boron. They are both commonly known as aluminum borid. AlB12, a monoclinic crystal of black and shiny with a specific gravity of 2,55 (18degC), is a solid. It is insoluble with water, alkali or acid. Nitric acid hot decomposes it. It is produced by melting together boron, sulfur and aluminium.

The structure of aluminium diboride is similar to magnesium diboride in that B atoms create a graphite like sheet, with Al atoms interspersed. The AlB2 crystal has metallic conductivity parallel to the hexagonal surface of the substrate.

Aluminum Boride Powder Preparation

Aluminum boride’s structure is similar to other intermetallic compounds. The main factor affecting its structure is the valence relationship between aluminum and boron. AlB2, AlB4 or AlB12 are the aluminum borides. AlB2 diboride can be produced by a reaction between two elements at 600degC.

Powder metallurgy prepares AlB12 using amorphous Boron powder and Aluminum powder as the raw materials. Powder metallurgy is used to prepare AlB12 powder using amorphous boron powder and aluminum powder as raw materials.

Aluminum diboride may be dissolved with diluted hydrochloric to produce a reducing acid solution that contains HB(OH+3). AlB2 does not dissolve in diluted sulfuric or nitric acids.

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