Introduction to AlB2 Powder Aluminum Diboride
Aluminum diboride
Or Aluminum Boride, AlB2
This inorganic compound has the chemical name AlB2. It is a binary mixture of aluminum and boron. It is a grey-red, solid that is insoluble in water at both room temperature and pressure. It loses its gloss when heated.
Aluminum diboride
This is made from a mixture of fine powdered aluminum and boron, and then reacting with heat. It is one the two compounds of aluminum or boron, AlB12 being the other. They are also known as aluminum boreide.
Aluminum boride can be dangerous because it reacts to acid and hydrogen to make toxic gases. Aluminum boride can react with hydrochloric Acid to release borane and aluminum cyanide.
Structures of aluminum diboride AlB2
The structure
aluminum boride
Similar to the structure of metal interdides, it is dependent mainly on the crystal structures of aluminum and boron. AlB2, AlB4, AlB12, and AlB12 are the aluminum borides. AlB2, a diboride, can be created by the reaction between two elemental substances greater than 600. It is a layered structure that Al atoms directly overlap. A, A and B atoms are filling the triangular column made by the direct overlap Al. This is the boron layer, which is located between the aluminum layers. The graphite-like structure of the boron layer is also similar. The hexagonal network connects the boron molecules. Each Batom is approximately 0.173nm distant from the other B atoms. Additionally, six Al atoms connect to B. These six Al atoms occupy the apex in the triangular column. Dilute hydrochloric Acid can dissolve AlB2 to make a reductive mixture that may contain HB (OH)+. AlB2 is not soluble in dilute sulfuric acids, but is soluble in nitric. AlB2 was able to decompose AlB12 at 920
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Aluminum Diboride AlB2 Properties |
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| Other names | aluminum boride, aluminum diboride, AIB2 |
| CAS No. | 12041-50-8 |
| Formula compound | AlB2 |
| Molecular Weight | 48.604 |
| Appearance | Solid copper-red |
| Melting Point | 920degC |
| Boiling Point | N/A |
| Density | 3.19g/cm3 |
| Solubility of H2O | Insoluble |
| Exact Mass | 49 |
Aluminum Diboride AlB2 Pulp Powder – Physicochemical and Application Properties
AlB2 single crystal displays metallic conductivity along an alignment parallel to the hexagonal basis plane. Boron – Aluminum composite aluminum, aluminum alloy reinforced with or protective coating boron fibr. The volume content for boron fiber ranges from 45% to 55%. It has high specific gravity and excellent mechanical properties. The longitudinal tensile and elastic strength of the unidirectionally strengthened boron/aluminum composite vary depending on the manufacturing process. Specific strengths and the longitudinal specific elastic module are approximately 35 and 34 respectively, depending on the process and material. It exhibits good fatigue resistance and high strength below 400.
It was used for fan blades in turbojet engines as well as aerospace and structural parts. For manufacturing plate, profile, or more complicated shapes, hot pressing diffusion bonds is used. Continuous casting is also an option to produce different profiles.
Aluminum boride is used in ceramics as well medical equipment, nuclear energy and refractory ceramics.
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Aluminum Diboride AlB2 Powder
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