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Title:Estimating fatigue crack initiation and propagation lives in notched plates under variable loading histories
Author(s):Socie, Darrell F.
Subject(s):Fatigue Crack Initiation
Fatigue Crack Propagation
Notched Plates
Variable Loading Histories
Abstract:A method of estimating fatigue crack initiation lives for notched members subjected to irregular loading histories is described. It is based on a knowledge of the local stresses and strains at the notch root and material property data. Techniques for estimating crack propagation lives for notched members are also described. Crack propagation is calculated from constant amplitude materials data using an effective stress intensity concept. Finite element analysis is used to determine residual stresses and strains due to notch geometry. Analytical estimates are compared to experimental data from the SAE Cumulative Fatigue Damage Test Program.
Issue Date:1977-06
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 417
Genre:Technical Report
Sponsor:Structural Dynamics Research Corporation, Cincinnati, Ohio 77/06
Rights Information:Copyright 1977 Board of Trustees of the University of Illinois
Date Available in IDEALS:2021-11-04

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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