NDLI: Application of thermal life prediction model to high-temperature aerospace alloys b1900+hf and haynes 188

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Application of thermal life prediction model to high-temperature aerospace alloys b1900+hf and haynes 188

Content Provider	NASA Technical Reports Server (NTRS)
Author	Verrilli, Michael J. Saltsman, James F. Arya, Vinod K. Halford, Gary R.
Copyright Year	1990
Description	The results of the application of a newly proposed thermomechanical fatigue (TMF) life prediction method to a series of laboratory TMF results on two high-temperature aerospace engine alloys are presented. The method, referred to as TMF/TS-SRP, is based on three relatively recent developments: the total strain version of the method of Strainrange Partitioning (TS-SRP), the bithermal testing technique for characterizing TMF behavior, and advanced viscoplastic constitutive models. The high-temperature data reported in a companion publication are used to evaluate the constants in the model and to provide the TMF verification data to check its accuracy. Predicted lives are in agreement with the experimental lives to within a factor of approximately 2.
File Size	1315292
Page Count	14
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910010160
Archival Resource Key	ark:/13960/t0jt4k43t
Language	English
Publisher Date	1990-12-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Thermodynamics Fatigue Life Stress Analysis Creep Properties Partitions Mathematics Heat Resistant Alloys Life Durability Predictions Viscoplasticity Mathematical Models High Temperature Prediction Analysis Techniques Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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