The Contribution of Advanced Materials to Future Aeroegnines

摘要

It is now over half a century since Frank Whittle and Otto von Ohain demonstrated the practicality of aircraft powered by gas turbines. From these very early days the performance and durability of the engines has been limtied by the availability of suitable materials for the very high temperatures and high stresses endured by many of the components. Over the past 50-60 years the materials have been steadily developed so that peak metal temperatures of over 1100 deg C are now experienced by some turbine parts, but service lives of over 10,000 hours are still achievable.