The presence of iron in aluminum helps in the decrease of casting defects, improves tensile, yield, hardness, and maintains strength at high temperatures.
[4][5] Ferroaluminum can also be nitrided, as the aluminium bonds well with the nitrogen forming a hard case.
[6][7][8] The majority of the world's ferroaluminum is produced by Australia, China, Russia, the US and Canada, with the cost of electricity being the main factor in the aluminum smelting process.
First, aluminium oxide (Al2O3) is obtained through the Bayer process by digestion of bauxite with sodium hydroxide (NaOH) at about 240 °C.
Last, after the solidification of the metal, milling and sieving processes are carried out, which obtains the suitable particle size for its applications.