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Physical and chemical properties of aluminum boride

Using amorphous boron powder and aluminum powder as raw materials, powder metallurgy is used to prepare AlB12 powder. X-ray diffractometer and scanning electron microscope were used to determine the product's phase composition, relative content, and microscopic morphology, the influence of powder embedding on the phase composition of the product was studied, and the optimal process parameters of the synthesis process were determined. The results show that the Al content of the buried powder determines the impurities in the product. The Al content of the buried powder is 30% (mass content, the same as below), and there is elemental Al in the product; the Al content of the buried powder is 10%, and the impurities are mainly Al2O3; When the Al content of the buried powder is 20%, the impurity content is the least, mainly in the oxy magnesium aluminum phase. The best synthesis process parameters are synthesis temperature 1400, constant temperature time 60min, 17.2% Al content, and buried powder Al content 20%. The structure of aluminum diboride (AlB2) is similar to graphite flakes. There is an Al atom between the B atom and the B atom, which is very similar to the structure of magnesium diboride. The AlB2 single crystal exhibits metal conductivity along an axis parallel to the hexagonal plane of the substrate. Aluminum boride is hazardous because it reacts with acid and hydrogen to generate toxic gases. For example, it reacts with hydrochloric acid to release borane and aluminum chloride. The crystal structure of AlB2 is often used to describe the prototype structure of intermetallic compounds. There are many structure types in the AlB2 structure family. If you are looking for high quality, high purity and cost-effective aluminum boride, or if you require the latest price of aluminum boride, please feel free to email contact mis-asia.

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