Accession Number : ADA261742


Title :   Fatigue in Single Crystal Nickel Superalloys


Descriptive Note : Technical progress rept. 16 Jan-15 Feb 1993


Corporate Author : UNITED TECHNOLOGIES CORP WEST PALM BEACH FL


Personal Author(s) : DeLuca, Daniel P


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a261742.pdf


Report Date : 16 Feb 1993


Pagination or Media Count : 6


Abstract : This program investigates the seemingly unusual behavior of single crystal airfoil materials. The fatigue initiation processes in single crystal (SC) materials are significantly more complicated and involved than fatigue initiation and subsequent behavior of a (single) macrocrack in conventional, isotropic, materials. To understand these differences is the major goal of this project.... Fatigue, Fracture, Single crystal, PWA 1480, PWA 1484.


Descriptors :   *SINGLE CRYSTALS , *AIRFOILS , *FATIGUE(MECHANICS) , *SUPERALLOYS , *NICKEL ALLOYS , CRYSTALS , FRACTURE(MECHANICS) , BEHAVIOR , THERMAL FATIGUE , GAS TURBINES , OXIDATION , CREEP


Subject Categories : Metallurgy and Metallography
      Crystallography
      Jet and Gas Turbine Engines


Distribution Statement : APPROVED FOR PUBLIC RELEASE