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Comparative study of fatigue assessment of defective material based on affected depth
Marwa Youssef1   ; Anouar Nasr1, 2 
1 LGM, ENIM, Université de Monastir, Avenue Ibn Eljazzar, Monastir 5019, Tunisia
2 IPEIM, Université de Monastir, Avenue Ibn Eljazzar, Monastir 5019, Tunisia
Comptes Rendus. Mécanique, Volume 350 (2022), pp. 547-563.

In this work, we propose a comparative study of fatigue assessment of artificial surface defects based on affected depth (AD). The defect is assumed to be a void (semi-spherical, elliptical, or circumferential notches) on the surface of a material subjected to fatigue loading.

An elastic–plastic model of Chaboche is implanted in Abaqus to simulate the cyclic Finite Element (FE) calculations.

The AD model is exploited with Crossland, Dang Van, and Papadopoulos fatigue criteria to determine Kitagawa diagrams. The experimental data of the defective material C35 steel are used for model validation and comparison. The proposed comparative study of fatigue assessment provides interesting results.

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DOI : 10.5802/crmeca.141
Mots clés : High-cycle fatigue, Affected depth, Fatigue criterion, Defect, Kitagawa diagram
Marwa Youssef 1 ; Anouar Nasr 1, 2

1 LGM, ENIM, Université de Monastir, Avenue Ibn Eljazzar, Monastir 5019, Tunisia
2 IPEIM, Université de Monastir, Avenue Ibn Eljazzar, Monastir 5019, Tunisia
Licence : CC-BY 4.0
Droits d'auteur : Les auteurs conservent leurs droits 
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     title = {Comparative study of fatigue assessment of defective material based on affected depth},
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     year = {2022},
     doi = {10.5802/crmeca.141},
     language = {en},
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Marwa Youssef; Anouar Nasr. Comparative study of fatigue assessment of defective material based on affected depth. Comptes Rendus. Mécanique, Volume 350 (2022), pp. 547-563. doi : 10.5802/crmeca.141. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.5802/crmeca.141/

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