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The role of plasticity-induced crack closure in the non-propagation prediction of surface defect-initiated cracks near fatigue limit |
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| Author: | Kärkkäinen, Kimmo1; Vaara, Joona2; Väntänen, Miikka3; |
| Organizations: |
1Materials and Mechanical Engineering, University of Oulu, Pentti Kaiteran katu 1, 90014, Finland 2R&D and Engineering, Wärtsilä, P.O. Box 244, 65101, Vaasa, Finland 3Global Boiler Works Oy, Lumijoentie 8, 90400 Oulu, Finland |
| Format: | article |
| Version: | published version |
| Access: | open |
| Online Access: | PDF Full Text (PDF, 7 MB) |
| Persistent link: | http://urn.fi/urn:nbn:fi-fe20230901115657 |
| Language: | English |
| Published: |
Elsevier,
2023
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| Publish Date: | 2023-09-01 |
| Description: |
AbstractThe purpose of present work is to deepen the understanding of crack propagation, non-propagation, and fatigue limit. Quantitative prediction of fatigue crack non-propagation in constant amplitude loading is attempted through extensive 3D elastic–plastic finite element analysis of near-threshold propagation of short cracks nucleating from surface defects. Level of plasticity-induced crack closure is used to estimate the effective stress intensity factor range, which is evaluated in terms of non-propagation potential. It is shown that plasticity-induced crack closure alone is adequate in producing a local minimum in the development of effective stress intensity factor range, which gives a prerequisite to crack arrest. see all
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| Series: |
International journal of fatigue |
| ISSN: | 0142-1123 |
| ISSN-E: | 1879-3452 |
| ISSN-L: | 0142-1123 |
| Volume: | 168 |
| Article number: | 107462 |
| DOI: | 10.1016/j.ijfatigue.2022.107462 |
| OADOI: | https://oadoi.org/10.1016/j.ijfatigue.2022.107462 |
| Type of Publication: |
A1 Journal article – refereed |
| Field of Science: |
214 Mechanical engineering 216 Materials engineering |
| Subjects: | |
| Funding: |
The authors would like to acknowledge the financial support of Business Finland in the form of the research projects ISA University of Oulu 7537/31/2018, and ISA Wärtsilä Dnro 7734/31/2018. Co-funded by the European Union Grant Agreement No. 101058179 ENGINE project. |
| Dataset Reference: |
Data will be made available on request. |
| Copyright information: |
© 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
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https://creativecommons.org/licenses/by/4.0/ |