Requirements of constitutive models for two nickel-base superalloysThe constitutive behavior of two nickel-base superalloys, Rene '80 and Inconel 718, utilized in gas turbine blade and disk components, respectively, is presented. In turbine blade applications, the high homologous temperatures result in strain-rate effects dominating behavior. In turbine disks, the temperatures are cooler so that mean stress effects become important. The impact of these two variables on the overall crack initiation lifetime and analysis methodology is discussed.
Document ID
19830039853
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Laflen, J. H. (General Electric Co. Cincinnati, OH, United States)
Cook, T. S. (General Electric Co., Aircraft Engine Business Group, Cincinnati OH, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1983
Subject Category
Metallic Materials
Meeting Information
Meeting: International Conference on Constitutive Laws of Engineering Materials: Theory and Application