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Strain-life fatigue predictions for sintered steels with nonzero mean stress

Palma, E.S. / Greco, P.C. jun.

Several approximate models have been utilized for fatigue life prediction. Some of these models are available for mean stress (or strain) correction on fatigue life, when nonzero mean stress (or strain) is applied. In this paper, the most commonly used empirical strain-life models for fatigue life predictions, for materials subjected to variable amplitude loads, are described. Experimental results of fatigue tests, where the specimens of sintered steels were subjected to partial random loads, are presented and compared with those results obtained theoretically by the models. The utilization of the various models and their influence on results are discussed.

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Strain-life fatigue predictions for sintered steels with nonzero mean stress

Palma, E.S. / Greco, P.C. jun.

Several approximate models have been utilized for fatigue life prediction. Some of these models are available for mean stress (or strain) correction on fatigue life, when nonzero mean stress (or strain) is applied. In this paper, the most commonly used empirical strain-life models for fatigue life predictions, for materials subjected to variable amplitude loads, are described. Experimental results of fatigue tests, where the specimens of sintered steels were subjected to partial random loads, are presented and compared with those results obtained theoretically by the models. The utilization of the various models and their influence on results are discussed.

Strain-life fatigue predictions for sintered steels with nonzero mean stress

Palma, E.S. / Greco, P.C. jun.

Several approximate models have been utilized for fatigue life prediction. Some of these models are available for mean stress (or strain) correction on fatigue life, when nonzero mean stress (or strain) is applied. In this paper, the most commonly used empirical strain-life models for fatigue life predictions, for materials subjected to variable amplitude loads, are described. Experimental results of fatigue tests, where the specimens of sintered steels were subjected to partial random loads, are presented and compared with those results obtained theoretically by the models. The utilization of the various models and their influence on results are discussed.

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Title:

Strain-life fatigue predictions for sintered steels with nonzero mean stress

Contributors:

Palma, E.S. (author) / Greco, P.C. jun. (author)

Published in:

Journal of Materials Engineering and Performance ; 9 ; 683-687

Publication date:

2000

Size:

5 Seiten, 20 Quellen

ISSN:

DOI:

https://doi.org/10.1361/105994900770345566

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Materialermüdung , Last (mechanisch) , Spannungsanalyse , mathematisches Modell , Dauerschwingprüfung , Sinterstahl , Ermüdungslebensdauer , Ermüdungsgrenze , Prognose

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