Aerospace materials have greatly evolved overtime and what we once considered the best material for aircrafts is barely used today. About 40 years ago, aluminum was the go-to material for the aerospace industry. Back then, aluminum made up as much as 70% of an aircraft. Today, a typical aircraft is made up of as little as 20% of aluminum. Aluminum used to be considered lightweight and inexpensive but the aerospace industry today uses carbon fiber reinforced polymers (CFRP) that are even more lightweight. Materials used for engines look for the lightweight quality combined with the heat resistant quality. Materials for the aerospace industry continue to develop and evolve and this allow for unlimited possibilities.
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