Nano-structured Aluminum Nitride (AlN) in a pure form and in the wurtzite phase of AlN from nut shells
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United States of America Patent
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Issued Date -
Jul 13, 2023
app pub date -
Mar 8, 2023
filing date -
Nov 16, 2016
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Abstract
Nano-structures of Aluminum Nitride and a method of producing nano-structures of Aluminum Nitride from nut shells comprising milling agricultural nuts into a fine nut powder, milling nanocrystalline Al2O3 into a powder, mixing, pressing the fine nut powder and the powder of nanocrystalline Al2O3, heating the pellet, maintaining the temperature of the pellet at about 1400° C., cooling the pellet, eliminating the residual carbon, and forming nano-structures of AlN. An Aluminum Nitride (AlN) product made from the steps of preparing powders of agricultural nuts using ball milling, preparing powders of nanocrystalline Al2O3, mixing the powders of agricultural nuts and the powders of nanocrystalline Al2O3 forming a homogenous sample powder of agricultural nuts and Al2O3, pressurizing, pyrolizing the disk, and reacting the disk and the nitrogen atmosphere and forming AlN.
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