Abstract
Titanium alloys, because of their excellent specific strength/density ratio result in significant weight reduction in airborne vehicles thus improving their performance and fuel efficiency. In addition, excellent corrosion resistance, high fracture toughness, creep strength up to ∼ 600°C make them a wanted material for aeroengine applications. Though a number of alloys are in use, Ti-8Al-1Mo-1V alloy, due to its advantageous characteristics has been selected for HP compressor blades for Adour engine (JAGUAR Aircraft) applications. Optimization of chemical composition, forging technology and heat treatment were the main objectives to obtain best combination of properties for the end use. The alloy has been successfully evaluated in accordance with mandatory airworthiness requirements.
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