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Titanium
Developed in the early 1950s for defense and aeronautic applications because of their very high strength-to-weight ratios.
Greater production has lowered costs and innovative people have applied the unique combination of strength, weight, and corrosion resistance to a wide variety of industrial applications.
Its corrosion resistance results from a very thin (~10nm), stable, continuous oxide layer that regenerates instantaneously if any oxygen or moisture is present.
Greater production has lowered costs and innovative people have applied the unique combination of strength, weight, and corrosion resistance to a wide variety of industrial applications.
Its corrosion resistance results from a very thin (~10nm), stable, continuous oxide layer that regenerates instantaneously if any oxygen or moisture is present.
Commercially Pure Titanium is used primarily for its corrosion resistance. It resists pitting, crevice and cavitation corrosion, erosion, and stress corrosion cracking in salt water, marine atmospheres, and a broad range of acids, alkalis, and industrial chemicals.
Ti 6Al-4V is the most widely used titanium alloy,
accounting for more than half of all titanium tonnage worldwide.
For example, 36% of the weight of the F-22 Raptor fighter airplane is Ti 6Al-4V.