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RESEARCH PAPERS

A Generalized Method for Estimating Multiaxial Elastic-Plastic Notch Stresses and Strains, Part 1: Theory

[+] Author and Article Information
M. Hoffmann, T. Seeger

Fachgebiet Werkstoffmechanik, Technische Hochschule Darmstadt, D-6100 Darmstadt, Petersenstr. 13, Federal Republic of Germany

J. Eng. Mater. Technol 107(4), 250-254 (Oct 01, 1985) (5 pages) doi:10.1115/1.3225814 History: Received October 01, 1984; Online September 15, 2009

Abstract

The well known approximation formulas valid for uniaxial notch stresses are extended to multiaxial stress states in order to establish a load - equivalent notch stress and strain relationship. The correlation between equivalent and principal notch stresses and strains is obtained by applying theory of plasticity in combination with an assumption concerning one stress or strain component. The approximation method is summarized in a solution scheme. Finally aspects of accuracy are discussed.

Copyright © 1985 by ASME
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