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Title:Relation between theoretical stress concentration factor KT and fatigue notch factor KF according to highly stressed volume approach
Author(s):Kuguel, Roberto
Subject(s):Theoretical Stress Concentration Factor
Fatigue Notch Faactor
Abstract:A study was made of the relation between the theoretical stress concentration factor, Kt, and the fatigue notch factor, Kf. A relation for Kf is given in terms of Kt, the root radii of the notched and unnotched specimens, and the diameters of the notched and unnotched specimens, deduced from the “highly stressed volume” analysis considered in another paper(1)*. A study of available experimental data indicated that the statistical scatter of values of Kf was large. A region based on the proposed relation for Kf and a ±10 percent scatter band included 78 percent of the data examined, 112 determinations of Kf from rotating bending experiments. The relation for Kf, based only on the geometry of the members, is proposed as a simple adequate relation for use in design.
Issue Date:1960-12
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 184
Genre:Technical Report
Rights Information:Copyright 1960 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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