Wyszukiwarka
Strain energy density and entire fracture surface parameters relationship for LCF life prediction of additively manufactured 18Ni300 steel
Abstrakt
In this study, the connection between total strain energy density and fracture surface topography is investigated in additively manufactured maraging steel exposed to low-cycle fatigue loading. The specimens were fabricated using laser beam powder bed fusion (LB-PBF) and examined under fully-reversed strain-controlled setup at strain amplitudes scale from 0.3% to 1.0%. The post-mortem fracture surfaces were explored using a non-contact 3D surface topography measuring system and the entire fracture surface method. The focus is on the relationship between fatigue characteristics, expressed by the total strain energy density, and the fracture surface topography features, represented by areal, volume, and fractal dimension factors. A fatigue life prediction model based on total strain energy density and fracture surface topography parameters is proposed. The presented model shows good accordance with fatigue test results and outperforms other existing models based on the strain energy density. This model can be useful for post-failure analysis of engineering elements under low-cycle fatigue, especially for materials produced by additive manufacturing (AM).
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Autorzy (7)
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Ricardo Branco
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Joel de Jesus
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José Domingos Costa
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Shun-Peng Zhu
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Reza Masoudi Nejad
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Andrew Gryguć
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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INTERNATIONAL JOURNAL OF DAMAGE MECHANICS
ISSN: 1056-7895 - Język:
- angielski
- Rok wydania:
- 2024
- Opis bibliograficzny:
- Macek W., Branco R., de Jesus J., Costa J. D., Zhu S., Masoudi Nejad R., Gryguć A.: Strain energy density and entire fracture surface parameters relationship for LCF life prediction of additively manufactured 18Ni300 steel// INTERNATIONAL JOURNAL OF DAMAGE MECHANICS -, (2024),
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1177/10567895241245879
- Źródła finansowania:
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- COST_FREE
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 2 razy
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