NDLI: A nonlinear high temperature fracture mechanics basis for strainrange partitioning

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A nonlinear high temperature fracture mechanics basis for strainrange partitioning

Content Provider	NASA Technical Reports Server (NTRS)
Author	Halford, Gary R. Kitamura, Takayuki
Copyright Year	1989
Description	A direct link was established between Strainrange Partitioning (SRP) and high temperature fracture mechanics by deriving the general SRP inelastic strain range versus cyclic life relationships from high temperature, nonlinear, fracture mechanics considerations. The derived SRP life relationships are in reasonable agreement based on the experience of the SRP behavior of many high temperature alloys. In addition, fracture mechanics has served as a basis for derivation of the Ductility-Normalized SRP life equations, as well as for examination of SRP relations that are applicable to thermal fatigue life prediction. Areas of additional links between nonlinear fracture mechanics and SRP were identified for future exploration. These include effects of multiaxiality as well as low strain, nominally elastic, long life creep fatigue interaction.
File Size	2003948
Page Count	20
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19900005326
Archival Resource Key	ark:/13960/t44r2ss5q
Language	English
Publisher Date	1989-10-01
Access Restriction	Open
Subject Keyword	Structural Mechanics Metal Fatigue Service Life J Integral Refractory Metals Creep Properties Fracture Mechanics Partitions Mathematics Predictions Thermal Fatigue Strain Rate Crack Propagation 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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