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Title:Extension of local strain fatigue analysis concepts to incorporate time dependent deformation in TI-6AL-4V at room temperature
Author(s):Kurath, Peter
Subject(s):Local Strain
Fatigue Analysis
Titanium Alloy
Time Dependent Deformation
Abstract:The titanium alloy under investigation, Ti-6Af-4V, displays time dependent deformation at room temperature. This time dependent deformation and the resulting damage are incorporated into the existing framework of the fatigue life prediction methods based upon the local strain approach. This methodology has been developed over the last twenty years to analyze the time independent deformation and damage characteristics of notched members subjected to fatigue loading. Smooth specimens controlled according to the Neuber relation are employed to simulate notch root behavior of members made from the alloy under consideration. Analyses of tests conducted with and without hold times provide estimates of the deformation behavior and fatigue life that are within the usual range of accuracy achieved in the local strain approach.
Issue Date:1984-02
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 464
Genre:Technical Report
Sponsor:David Taylor Naval Ship Research and Development Center 84/02 N00 167 82 C 0087 84/02
Rights Information:Copyright 1984 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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