Analysis of non-localized creep induced strains and stresses in notches

Analysis of non-localized creep induced strains and stresses in notches

A method for the estimation of time-dependent strains and stresses induced in notches has been developed. The aim of the method is to generate a solution for the creep strain and stress at the notch root based on the linear-elastic stress state, the constitutive law, and the material creep model. Th...

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Veröffentlicht in:Engineering fracture mechanics 2004-08, Vol.71 (12), p.1791-1803
Hauptverfasser: Nuñez, J.E, Glinka, G
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Sprache:eng
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Non-localized creep
Notches
Plane stress
Stress–strain analysis
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container_title Engineering fracture mechanics
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creator Nuñez, J.E
Glinka, G
description A method for the estimation of time-dependent strains and stresses induced in notches has been developed. The aim of the method is to generate a solution for the creep strain and stress at the notch root based on the linear-elastic stress state, the constitutive law, and the material creep model. The proposed solution is an extension of Neuber’s total strain energy density rule for the case of time-independent deformation. The method was derived for both localized and non-localized creep in a notched body. Predictions were compared with finite element data and good agreement was obtained for various geometrical and material configurations in plane stress conditions.
doi_str_mv 10.1016/S0013-7944(03)00208-X
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subjects Non-localized creep
Notches
Plane stress
Stress–strain analysis
title Analysis of non-localized creep induced strains and stresses in notches
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