Fatigue characterization of a crankshaft steel: Use and interaction of new models
The peculiar geometrical shape and working conditions of crankshafts make fatigue becoming responsible for most of the failure cases in such components. Therefore, improvement of crankshaft performance requires enhancing its fatigue life. In this work, the fatigue behavior of a D38MSV5S steel, use...
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2016-01-01
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doaj-e15d36023b8148b8a9df387e06e6b62e2020-11-24T21:13:49ZengGruppo Italiano FratturaFrattura ed Integrità Strutturale1971-89931971-89932016-01-01103518719510.3221/IGF-ESIS.35.22Fatigue characterization of a crankshaft steel: Use and interaction of new modelsSergio Blasón0Cristina Rodríguez1Alfonso Fernández-Canteli2University of Oviedo, SpainUniversity of Oviedo, SpainUniversity of Oviedo, SpainThe peculiar geometrical shape and working conditions of crankshafts make fatigue becoming responsible for most of the failure cases in such components. Therefore, improvement of crankshaft performance requires enhancing its fatigue life. In this work, the fatigue behavior of a D38MSV5S steel, used for crankshafts in compact vehicles, is investigated according to two traditional ways of analysis, namely the stress based and the fracture mechanics based approaches, though using advanced design models: On the one side, a probabilistic Weibull regression S-N model is assessed for experimental results obtained from fatigue resonance tests. On the other side, the crack growth rate curve is calculated from crack growth tests, carried out on SENB specimens, using a normalizing procedure. Specific Matlab programs are developed to facilitate the evaluation process. The information gained from both models will contribute to provide a probabilistic interpretation to the Kitagawa-Takahashi diagram.http://www.gruppofrattura.it/pdf/rivista/numero35/numero_35_art_22.pdfFatigue of crankshaftsCrack growth rate curvesS-N diagram |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Sergio Blasón Cristina Rodríguez Alfonso Fernández-Canteli |
spellingShingle |
Sergio Blasón Cristina Rodríguez Alfonso Fernández-Canteli Fatigue characterization of a crankshaft steel: Use and interaction of new models Frattura ed Integrità Strutturale Fatigue of crankshafts Crack growth rate curves S-N diagram |
author_facet |
Sergio Blasón Cristina Rodríguez Alfonso Fernández-Canteli |
author_sort |
Sergio Blasón |
title |
Fatigue characterization of a crankshaft steel: Use and interaction of new models |
title_short |
Fatigue characterization of a crankshaft steel: Use and interaction of new models |
title_full |
Fatigue characterization of a crankshaft steel: Use and interaction of new models |
title_fullStr |
Fatigue characterization of a crankshaft steel: Use and interaction of new models |
title_full_unstemmed |
Fatigue characterization of a crankshaft steel: Use and interaction of new models |
title_sort |
fatigue characterization of a crankshaft steel: use and interaction of new models |
publisher |
Gruppo Italiano Frattura |
series |
Frattura ed Integrità Strutturale |
issn |
1971-8993 1971-8993 |
publishDate |
2016-01-01 |
description |
The peculiar geometrical shape and working conditions of crankshafts make fatigue becoming
responsible for most of the failure cases in such components. Therefore, improvement of crankshaft
performance requires enhancing its fatigue life. In this work, the fatigue behavior of a D38MSV5S steel, used for
crankshafts in compact vehicles, is investigated according to two traditional ways of analysis, namely the stress
based and the fracture mechanics based approaches, though using advanced design models: On the one side, a
probabilistic Weibull regression S-N model is assessed for experimental results obtained from fatigue resonance
tests. On the other side, the crack growth rate curve is calculated from crack growth tests, carried out on SENB
specimens, using a normalizing procedure. Specific Matlab programs are developed to facilitate the evaluation
process. The information gained from both models will contribute to provide a probabilistic interpretation to the
Kitagawa-Takahashi diagram. |
topic |
Fatigue of crankshafts Crack growth rate curves S-N diagram |
url |
http://www.gruppofrattura.it/pdf/rivista/numero35/numero_35_art_22.pdf |
work_keys_str_mv |
AT sergioblason fatiguecharacterizationofacrankshaftsteeluseandinteractionofnewmodels AT cristinarodriguez fatiguecharacterizationofacrankshaftsteeluseandinteractionofnewmodels AT alfonsofernandezcanteli fatiguecharacterizationofacrankshaftsteeluseandinteractionofnewmodels |
_version_ |
1716748042917380096 |