Aluminum, because of its light density and strength, has been used for making aircraft. ?

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difference 2700 g minus 1740 g.

aircraft manufacturing, that's question altogether. weight 1 of many considerations when designing airplane. cost of raw material critical consideration, availability, flammability , else called passivation (the formation of protective layer of native oxide). aluminum available, not flammable , self-passivates. add aluminum can alloyed fine-tuned mechanical properties , in fact, aircraft made of alloyed aluminum , not pure aluminum.

it has density of 2.70 g/cm^3. magnesium has similar properties, , has density of 1.74 g/cm^3. difference in mass if 1000 cm^3 of magnesium used rather 1000 cm^3 of aluminum?


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