Title: An improved method for estimating fatigue life under combined stress
Authors: Balda, Miroslav
Svoboda, Jaroslav
Fröhlich, Vladislav
Citation: Applied and Computational Mechanics. 2007, vol. 1, no. 1, p. 1-10.
Issue Date: 2007
Publisher: University of West Bohemia
Document type: article
článek
URI: http://www.kme.zcu.cz/acm/old_acm/full_papers/acm_vol1no1_p001.pdf
http://hdl.handle.net/11025/1831
ISSN: 1802-680X (Print)
2336-1182 (Online)
Keywords: zkoušení materiálu;únava materiálu;odhad životnosti
Keywords in different language: material testing;fatigue of material;life-time estimation
Abstract: The paper deals with a complicated problem of estimating fatigue lives of machine parts exposed to various kinds of dynamic loading. An origin of the presented method can be found 25 years ago when a simple algorithm of strain energy density cumulation was applied for evaluation of uniaxial harmonic and random fatigue tests. Recently, the method has been adopted for multiaxial loading. Unfortunately, results of its application have shown rather big variance. This paper presents the improved method, which yields much lower scattering of estimated fatigue lives compared with earlier approaches.
Rights: © 2007 University of West Bohemia. All rights reserved.
Appears in Collections:Volume 1, number 1 (2007)
Volume 1, number 1 (2007)

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