Thermographic Determination Methodology: Application on Fatigue Limit of AL 2024 for R=-1

Stanislav Seitl; Jan Klusák; Pelayo Fernández; Alfonso Fernández Canteli

doi:10.4028/www.scientific.net/KEM.577-578.477

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 577-578Thermographic Determination Methodology:...

Thermographic Determination Methodology: Application on Fatigue Limit of AL 2024 for R=-1

Abstract:

The application of infrared thermography to obtain the external surface temperature during the application of cyclic loading, allows to evaluate the dynamic behavior of an element and to determine the fatigue limit. In this contribution, the reliability of the fatigue limit provided by the Risitano et al. and Canteli et al. methodologies is investigated in order to check their validity for practical applications. With this aim, an experimental program on aluminium specimens (AL 2024) under load control using a stress ratio minus one is performed. The fatigue limit for AL 2024 is derived, first from the Wöhler curve and then, compared with both Risitano et al. and Canteli et al. methodologies.

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Periodical:

Key Engineering Materials (Volumes 577-578)

Pages:

477-480

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.577-578.477

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Online since:

September 2013

Authors:

Stanislav Seitl, Jan Klusák, Pelayo Fernández, Alfonso Fernández Canteli

Keywords:

Aluminium Alloy 2024, Statistical Evaluation, Stress Ratio, Thermographic Methodology

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References

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