... A photomicrograph illustrating melting of the inter-diffusion zone of an aluminide coated IN-738LC substrate In DS materials such as the GTD111 alloy, exposure at the 1200 ° C solution heat treatment cycle can induce re-crystallization in areas that have been plastically deformed. Impact damage...

...” technology. The twin-web disk has the potential to provide this break through. This paper will present the history of this turbine rotor design, analytical results, material/component processing, and concept validation results. All work was performed under an Air Force sponsored program entitled “Composite...