NDLI: Constitutive model development for isotropic materials

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Constitutive model development for isotropic materials

Content Provider	NASA Technical Reports Server (NTRS)
Author	Kaufman, A.
Copyright Year	1982
Description	The objective is to develop a unified constitutive model for finite-element structural analysis of turbine engine hot section components. This effort constitutes a different approach for nonlinear finite-element computer codes which were heretofore based on classical inelastic methods. A unified constitutive theory will avoid the simplifying assumptions of classical theory and should more accurately represent the behavior of superalloy materials under cyclic loading conditions and high temperature environments. Model development will be directed toward isotropic, cast nickel-base alloys used for aircooled turbine blades and vanes. The contractor will select a base material for model development and an alternate material for verification purposes from a list of three alloys specified by NASA. The candidate alloys represent a cross-section of turbine blade and vane materials of interest to both large and small size engine manufacturers. Material stock for the base and alternate materials will be supplied to the Contractor by the government.
File Size	141515
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19850002667
Archival Resource Key	ark:/13960/t5r835j7h
Language	English
Publisher Date	1982-10-01
Access Restriction	Open
Subject Keyword	Aircraft Propulsion And Power Turbine Blades Nickel Alloys Life Durability Gas Turbine Engines Aircraft Engines High Temperature Environments Engine Parts Computer Programs Finite Element Method Isotropy Stress Relaxation Stress-strain Relationships Structural Strain Crack Initiation Structural Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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