Aerospace Applications
Cars, vans and trucks are not the only vehicles that have incorporated magnesium in their designs. The aerospace industry has a long history of using the metal in many applications both civil and military. It is critical to lower the weight of air and space craft, as well as projectiles, to aid in decreasing emissions and increasing fuel efficiency. These changes will result in a lower operational cost as well. Magnesium is an ideal material for use in these applications due to limited continuing improvements on aluminum weight reduction, the high cost of fiber metal laminates, and the poor impact, and damage properties of low density plastics when subjected to extreme temperatures. Magnesium can be found in the thrust reversers for the Boeing 737, 747, 757, and 767 as well as in engines and aircraft and helicopter transmission casings.

Spacecraft and missiles also contain magnesium and its alloys. Lift-off weight reduction is of high importance in design and a material is needed that can withstand the extreme conditions faced during operation. Magnesium is capable of withstanding the extreme elevated temperatures, exposure to ozone and the impact of high energy particles and matter. It is also used in large quantity in intercontinental ballistic missiles such as Titan, Atlas and Agena.

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