بانک مقالات مهندسی مواد و متالورژی

xa0 Aluminium or aluminum (in North American English) is a chemical element in the boron group with symbolxa0Al and atomic numberxa013. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant element in the Earth's crust (after oxygen and silicon) and its most abundant metal. Aluminium makes up about 8% of the crust by mass, though it is less common in the mantle be...

Aluminium or aluminum (in North American English) is a chemical element in the boron group with symbolxa0Al and atomic numberxa013. It is a silvery-white, soft, nonmagnetic, ductile metal. Aluminium is the third most abundant element in the Earth's crust (after oxygen and silicon) and its most abundant metal. Aluminium makes up about 8% of the crust by mass, though it is less common in the mantle below. Aluminium metal is so chemically reactive that native specimens are rare and limited to extre...