Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi
[Display omitted] •Fatigue crack growth behavior of CoCrFeNi characterized.•Presence of crack stepping during fatigue crack growth identified.•At high ΔK, localized areas of deformation twinning was observed. CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corr...
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| Veröffentlicht in: | International journal of fatigue 2021-07, Vol.148, p.106232, Article 106232 |
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| container_title | International journal of fatigue |
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| creator | Williams, William M. Shabani, Mitra Jablonski, Paul D. Pataky, Garrett J. |
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•Fatigue crack growth behavior of CoCrFeNi characterized.•Presence of crack stepping during fatigue crack growth identified.•At high ΔK, localized areas of deformation twinning was observed.
CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corrosion resistance properties. CoCrFeNi was subjected to tension–tension fatigue at room temperature and the steady-state fatigue crack growth characteristics and underlying deformation mechanisms were investigated. CoCrFeNi exhibited good steady-state fatigue crack growth resistance with the Paris law exponent at the lower end of the ductile metals range, m ≈ 2.5, regardless of load ratio. TEM analysis performed at different locations revealed that the plastic deformation mechanism changed from dislocation slip to the addition of nano-twinning as ΔK increased over crack life. |
| doi_str_mv | 10.1016/j.ijfatigue.2021.106232 |
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•Fatigue crack growth behavior of CoCrFeNi characterized.•Presence of crack stepping during fatigue crack growth identified.•At high ΔK, localized areas of deformation twinning was observed.
CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corrosion resistance properties. CoCrFeNi was subjected to tension–tension fatigue at room temperature and the steady-state fatigue crack growth characteristics and underlying deformation mechanisms were investigated. CoCrFeNi exhibited good steady-state fatigue crack growth resistance with the Paris law exponent at the lower end of the ductile metals range, m ≈ 2.5, regardless of load ratio. TEM analysis performed at different locations revealed that the plastic deformation mechanism changed from dislocation slip to the addition of nano-twinning as ΔK increased over crack life.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2021.106232</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Corrosion fatigue ; Corrosion resistance ; Corrosion resistant alloys ; Crack propagation ; Deformation mechanisms ; Deformation twinning ; Fatigue crack growth ; Fatigue failure ; Fracture mechanics ; High entropy alloys ; Materials fatigue ; Plastic deformation ; Plastic deformation mechanisms ; Quaternary alloys ; Room temperature ; Steady state ; Transition metal alloys ; Transition metals ; Twinning</subject><ispartof>International journal of fatigue, 2021-07, Vol.148, p.106232, Article 106232</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jul 2021</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-bfdf3dd0487a8333dcc338d14ccab96b85697d093c0040ceeb2f3151307920983</citedby><cites>FETCH-LOGICAL-c392t-bfdf3dd0487a8333dcc338d14ccab96b85697d093c0040ceeb2f3151307920983</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijfatigue.2021.106232$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Williams, William M.</creatorcontrib><creatorcontrib>Shabani, Mitra</creatorcontrib><creatorcontrib>Jablonski, Paul D.</creatorcontrib><creatorcontrib>Pataky, Garrett J.</creatorcontrib><title>Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi</title><title>International journal of fatigue</title><description>[Display omitted]
•Fatigue crack growth behavior of CoCrFeNi characterized.•Presence of crack stepping during fatigue crack growth identified.•At high ΔK, localized areas of deformation twinning was observed.
CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corrosion resistance properties. CoCrFeNi was subjected to tension–tension fatigue at room temperature and the steady-state fatigue crack growth characteristics and underlying deformation mechanisms were investigated. CoCrFeNi exhibited good steady-state fatigue crack growth resistance with the Paris law exponent at the lower end of the ductile metals range, m ≈ 2.5, regardless of load ratio. TEM analysis performed at different locations revealed that the plastic deformation mechanism changed from dislocation slip to the addition of nano-twinning as ΔK increased over crack life.</description><subject>Corrosion fatigue</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Crack propagation</subject><subject>Deformation mechanisms</subject><subject>Deformation twinning</subject><subject>Fatigue crack growth</subject><subject>Fatigue failure</subject><subject>Fracture mechanics</subject><subject>High entropy alloys</subject><subject>Materials fatigue</subject><subject>Plastic deformation</subject><subject>Plastic deformation mechanisms</subject><subject>Quaternary alloys</subject><subject>Room temperature</subject><subject>Steady state</subject><subject>Transition metal alloys</subject><subject>Transition metals</subject><subject>Twinning</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkE9LxDAUxIMouK5-BgOeuyZ5_ZejLK4Kohc9hzR53abWZk2yyn57KxWvnh4MM8ObHyGXnK044-V1v3J9q5Pb7nElmOCTWgoQR2TB60pmkBfimCwYz0XGuYBTchZjzxiTrCoWRG3mKDVBmze6Df4rdbTBTn86H6hvaeqQfux1wjDqcKBgaQp6jC45P9J3THqgndt2FMcU_O5A9TD4A137ddjgkzsnJ60eIl783iV53dy-rO-zx-e7h_XNY2ZAipQ1rW3BWpbXla4BwBoDUFueG6MbWTZ1UcrKMgmGsZwZxEa0wAsOrJKCyRqW5Gru3QX_sceYVO_308dDVKKAvMwhl2JyVbPLBB9jwFbtgnufZinO1A9N1as_muqHppppTsmbOYnTiE-HQUXjcDRoXUCTlPXu345vX7GCFw</recordid><startdate>202107</startdate><enddate>202107</enddate><creator>Williams, William M.</creator><creator>Shabani, Mitra</creator><creator>Jablonski, Paul D.</creator><creator>Pataky, Garrett J.</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></search><sort><creationdate>202107</creationdate><title>Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi</title><author>Williams, William M. ; Shabani, Mitra ; Jablonski, Paul D. ; Pataky, Garrett J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-bfdf3dd0487a8333dcc338d14ccab96b85697d093c0040ceeb2f3151307920983</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Corrosion fatigue</topic><topic>Corrosion resistance</topic><topic>Corrosion resistant alloys</topic><topic>Crack propagation</topic><topic>Deformation mechanisms</topic><topic>Deformation twinning</topic><topic>Fatigue crack growth</topic><topic>Fatigue failure</topic><topic>Fracture mechanics</topic><topic>High entropy alloys</topic><topic>Materials fatigue</topic><topic>Plastic deformation</topic><topic>Plastic deformation mechanisms</topic><topic>Quaternary alloys</topic><topic>Room temperature</topic><topic>Steady state</topic><topic>Transition metal alloys</topic><topic>Transition metals</topic><topic>Twinning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Williams, William M.</creatorcontrib><creatorcontrib>Shabani, Mitra</creatorcontrib><creatorcontrib>Jablonski, Paul D.</creatorcontrib><creatorcontrib>Pataky, Garrett J.</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>Williams, William M.</au><au>Shabani, Mitra</au><au>Jablonski, Paul D.</au><au>Pataky, Garrett J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi</atitle><jtitle>International journal of fatigue</jtitle><date>2021-07</date><risdate>2021</risdate><volume>148</volume><spage>106232</spage><pages>106232-</pages><artnum>106232</artnum><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>[Display omitted]
•Fatigue crack growth behavior of CoCrFeNi characterized.•Presence of crack stepping during fatigue crack growth identified.•At high ΔK, localized areas of deformation twinning was observed.
CoCrFeNi, a 3d transition metal high entropy alloy, has shown promising mechanical and corrosion resistance properties. CoCrFeNi was subjected to tension–tension fatigue at room temperature and the steady-state fatigue crack growth characteristics and underlying deformation mechanisms were investigated. CoCrFeNi exhibited good steady-state fatigue crack growth resistance with the Paris law exponent at the lower end of the ductile metals range, m ≈ 2.5, regardless of load ratio. TEM analysis performed at different locations revealed that the plastic deformation mechanism changed from dislocation slip to the addition of nano-twinning as ΔK increased over crack life.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2021.106232</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Corrosion fatigue Corrosion resistance Corrosion resistant alloys Crack propagation Deformation mechanisms Deformation twinning Fatigue crack growth Fatigue failure Fracture mechanics High entropy alloys Materials fatigue Plastic deformation Plastic deformation mechanisms Quaternary alloys Room temperature Steady state Transition metal alloys Transition metals Twinning |
| title | Fatigue crack growth behavior of the quaternary 3d transition metal high entropy alloy CoCrFeNi |
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