A phase field model for hydrogen-assisted fatigue
We present a new theoretical and numerical phase field-based formulation for predicting hydrogen-assisted fatigue. The coupled deformation-diffusion-damage model presented enables predicting fatigue crack nucleation and growth for arbitrary loading patterns and specimen geometries. The role of hydro...
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| Veröffentlicht in: | International journal of fatigue 2022-01, Vol.154, p.106521, Article 106521 |
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| container_title | International journal of fatigue |
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| creator | Golahmar, Alireza Kristensen, Philip K. Niordson, Christian F. Martínez-Pañeda, Emilio |
| description | We present a new theoretical and numerical phase field-based formulation for predicting hydrogen-assisted fatigue. The coupled deformation-diffusion-damage model presented enables predicting fatigue crack nucleation and growth for arbitrary loading patterns and specimen geometries. The role of hydrogen in increasing fatigue crack growth rates and decreasing the number of cycles to failure is investigated. Our numerical experiments enable mapping the three loading frequency regimes and naturally recover Paris law behaviour for various hydrogen concentrations. In addition, Virtual S–N curves are obtained for both notched and smooth samples, exhibiting a good agreement with experiments.
•A phase field formulation for hydrogen-assisted fatigue is presented.•Fatigue crack nucleation and growth is predicted for arbitrary loading patterns, geometries, and environments.•Paris’ law behaviour, and the role of hydrogen on it, is naturally recovered.•The influence of the loading frequency is quantified and the resulting regimes mapped.•Virtual S–N curves are obtained, showing a good agreement with experiments. |
| doi_str_mv | 10.1016/j.ijfatigue.2021.106521 |
| format | Article |
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•A phase field formulation for hydrogen-assisted fatigue is presented.•Fatigue crack nucleation and growth is predicted for arbitrary loading patterns, geometries, and environments.•Paris’ law behaviour, and the role of hydrogen on it, is naturally recovered.•The influence of the loading frequency is quantified and the resulting regimes mapped.•Virtual S–N curves are obtained, showing a good agreement with experiments.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2021.106521</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Crack growth ; Crack initiation ; Crack propagation ; Damage assessment ; Fatigue ; Fatigue failure ; Finite element method ; Fracture mechanics ; Hydrogen ; Hydrogen embrittlement ; Materials fatigue ; Mathematical models ; Nucleation ; Phase field</subject><ispartof>International journal of fatigue, 2022-01, Vol.154, p.106521, Article 106521</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jan 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3071-9be93c64e91c2d24859a05f899167b0a4902aa210755a1b50494c9a2123c87b63</citedby><cites>FETCH-LOGICAL-c3071-9be93c64e91c2d24859a05f899167b0a4902aa210755a1b50494c9a2123c87b63</cites><orcidid>0000-0002-1562-097X ; 0000-0001-6779-8924 ; 0000-0002-7047-0687</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijfatigue.2021.106521$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Golahmar, Alireza</creatorcontrib><creatorcontrib>Kristensen, Philip K.</creatorcontrib><creatorcontrib>Niordson, Christian F.</creatorcontrib><creatorcontrib>Martínez-Pañeda, Emilio</creatorcontrib><title>A phase field model for hydrogen-assisted fatigue</title><title>International journal of fatigue</title><description>We present a new theoretical and numerical phase field-based formulation for predicting hydrogen-assisted fatigue. The coupled deformation-diffusion-damage model presented enables predicting fatigue crack nucleation and growth for arbitrary loading patterns and specimen geometries. The role of hydrogen in increasing fatigue crack growth rates and decreasing the number of cycles to failure is investigated. Our numerical experiments enable mapping the three loading frequency regimes and naturally recover Paris law behaviour for various hydrogen concentrations. In addition, Virtual S–N curves are obtained for both notched and smooth samples, exhibiting a good agreement with experiments.
•A phase field formulation for hydrogen-assisted fatigue is presented.•Fatigue crack nucleation and growth is predicted for arbitrary loading patterns, geometries, and environments.•Paris’ law behaviour, and the role of hydrogen on it, is naturally recovered.•The influence of the loading frequency is quantified and the resulting regimes mapped.•Virtual S–N curves are obtained, showing a good agreement with experiments.</description><subject>Crack growth</subject><subject>Crack initiation</subject><subject>Crack propagation</subject><subject>Damage assessment</subject><subject>Fatigue</subject><subject>Fatigue failure</subject><subject>Finite element method</subject><subject>Fracture mechanics</subject><subject>Hydrogen</subject><subject>Hydrogen embrittlement</subject><subject>Materials fatigue</subject><subject>Mathematical models</subject><subject>Nucleation</subject><subject>Phase field</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqFkEFLw0AQhRdRsFZ_gwHPqTOb3SRzLEWtUPCi52WzmbQb2qbupkL_vSkpXj0NPN68N_MJ8YgwQ8D8uZ35trG9Xx95JkHioOZa4pWYYFlQmiktr8UEUMkUUWa34i7GFgAICj0ROE8OGxs5aTxv62TX1bxNmi4km1MdujXvUxujjz3XyaXkXtw0dhv54TKn4uv15XOxTFcfb--L-Sp1GRSYUsWUuVwxoZO1VKUmC7opiTAvKrCKQForcbhCW6w0KFKOBkFmriyqPJuKpzH3ELrvI8fetN0x7IdKIzURKdAEg6sYXS50MQZuzCH4nQ0ng2DOfExr_viYMx8z8hk25-MmD0_8eA4mOs97x7UP7HpTd_7fjF-qIG-9</recordid><startdate>202201</startdate><enddate>202201</enddate><creator>Golahmar, Alireza</creator><creator>Kristensen, Philip K.</creator><creator>Niordson, Christian F.</creator><creator>Martínez-Pañeda, Emilio</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-1562-097X</orcidid><orcidid>https://orcid.org/0000-0001-6779-8924</orcidid><orcidid>https://orcid.org/0000-0002-7047-0687</orcidid></search><sort><creationdate>202201</creationdate><title>A phase field model for hydrogen-assisted fatigue</title><author>Golahmar, Alireza ; Kristensen, Philip K. ; Niordson, Christian F. ; Martínez-Pañeda, Emilio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3071-9be93c64e91c2d24859a05f899167b0a4902aa210755a1b50494c9a2123c87b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Crack growth</topic><topic>Crack initiation</topic><topic>Crack propagation</topic><topic>Damage assessment</topic><topic>Fatigue</topic><topic>Fatigue failure</topic><topic>Finite element method</topic><topic>Fracture mechanics</topic><topic>Hydrogen</topic><topic>Hydrogen embrittlement</topic><topic>Materials fatigue</topic><topic>Mathematical models</topic><topic>Nucleation</topic><topic>Phase field</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Golahmar, Alireza</creatorcontrib><creatorcontrib>Kristensen, Philip K.</creatorcontrib><creatorcontrib>Niordson, Christian F.</creatorcontrib><creatorcontrib>Martínez-Pañeda, Emilio</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Golahmar, Alireza</au><au>Kristensen, Philip K.</au><au>Niordson, Christian F.</au><au>Martínez-Pañeda, Emilio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A phase field model for hydrogen-assisted fatigue</atitle><jtitle>International journal of fatigue</jtitle><date>2022-01</date><risdate>2022</risdate><volume>154</volume><spage>106521</spage><pages>106521-</pages><artnum>106521</artnum><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>We present a new theoretical and numerical phase field-based formulation for predicting hydrogen-assisted fatigue. The coupled deformation-diffusion-damage model presented enables predicting fatigue crack nucleation and growth for arbitrary loading patterns and specimen geometries. The role of hydrogen in increasing fatigue crack growth rates and decreasing the number of cycles to failure is investigated. Our numerical experiments enable mapping the three loading frequency regimes and naturally recover Paris law behaviour for various hydrogen concentrations. In addition, Virtual S–N curves are obtained for both notched and smooth samples, exhibiting a good agreement with experiments.
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| issn | 0142-1123 1879-3452 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Crack growth Crack initiation Crack propagation Damage assessment Fatigue Fatigue failure Finite element method Fracture mechanics Hydrogen Hydrogen embrittlement Materials fatigue Mathematical models Nucleation Phase field |
| title | A phase field model for hydrogen-assisted fatigue |
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