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Assessment of fatigue crack closure under in-phase and out-of-phase thermomechanical fatigue loading using a temperature dependent strip yield model

  • In this paper fatigue crack closure under in-phase and out-of-phase thermomechanical fatigue (TMF) loading is studied using a temperature dependent strip yield model. It is shown that fatigue crack closure is strongly influenced by the phase relation between mechanical loading and temperature, if the temperature difference goes along with a temperature dependence of the yield stress. In order toIn this paper fatigue crack closure under in-phase and out-of-phase thermomechanical fatigue (TMF) loading is studied using a temperature dependent strip yield model. It is shown that fatigue crack closure is strongly influenced by the phase relation between mechanical loading and temperature, if the temperature difference goes along with a temperature dependence of the yield stress. In order to demonstrate the effect of the temperature dependent yield stress, the influence of in-phase and out-of-phase TMF loading is studied for a polycrystalline nickel-base superalloy. By using a mechanism based lifetime model, implications for fatigue lives are demonstrated.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/1880
Bibliografische Angaben
Title (English):Assessment of fatigue crack closure under in-phase and out-of-phase thermomechanical fatigue loading using a temperature dependent strip yield model
Author:Carl FischerStaff MemberORCiDGND, Christoph SchweizerORCiD, Thomas SeifertStaff MemberORCiDGND
Year of Publication:2015
Publisher:Elsevier
First Page:459
Last Page:473
Parent Title (English):International Journal of Fatigue
Volume:78
ISSN:1879-3452 (Online)
ISSN:0142-1123 (Print)
DOI:https://doi.org/10.1016/j.ijfatigue.2015.03.022
URL:http://www.sciencedirect.com/science/article/pii/S0142112315001024
Language:English
Inhaltliche Informationen
Institutes:Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
GND Keyword:Thermomechanik
Formale Angaben
Open Access: Closed Access 
Licence (German):License LogoUrheberrechtlich geschützt