Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings
•The hybrid-controlled creep-fatigue interaction (HCFI) tests have been performed.•All of the conducted HCFI tests can be divided into two regions.•The failure mechanisms of the HCFI tests in different regions have been clarified.•A new life prediction method based on the steady growth rate has been...
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| Veröffentlicht in: | International journal of fatigue 2021-10, Vol.151, p.106357, Article 106357 |
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| container_title | International journal of fatigue |
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| creator | Zhang, Tianyu Wang, Xiaowei Ji, Yunnan Tang, Jianqun Jiang, Yong Zhang, Xiancheng Gong, Jianming |
| description | •The hybrid-controlled creep-fatigue interaction (HCFI) tests have been performed.•All of the conducted HCFI tests can be divided into two regions.•The failure mechanisms of the HCFI tests in different regions have been clarified.•A new life prediction method based on the steady growth rate has been proposed.
The hybrid stress–strain controlled creep-fatigue interaction (HCFI) loadings at various dwell conditions were conducted on 9%Cr steel at 625 °C to investigate the deformation and damage mechanisms. Results reveal that the HCFI tests with conservative dwell conditions show complicated cyclic responses and low creep strain. The failure specimens demonstrate strong creep-fatigue interaction damage (CFID) with many branched surface cracks. With the increase in dwell stress and time, the HCFI tests show continuous softening and remarkable creep deformation. The creep-dominant damage (CDD) featured by internal creep cavities and blunt surface cracks leads to the final failure. |
| doi_str_mv | 10.1016/j.ijfatigue.2021.106357 |
| format | Article |
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The hybrid stress–strain controlled creep-fatigue interaction (HCFI) loadings at various dwell conditions were conducted on 9%Cr steel at 625 °C to investigate the deformation and damage mechanisms. Results reveal that the HCFI tests with conservative dwell conditions show complicated cyclic responses and low creep strain. The failure specimens demonstrate strong creep-fatigue interaction damage (CFID) with many branched surface cracks. With the increase in dwell stress and time, the HCFI tests show continuous softening and remarkable creep deformation. The creep-dominant damage (CDD) featured by internal creep cavities and blunt surface cracks leads to the final failure.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2021.106357</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Chromium steels ; Creep fatigue ; Creep strength ; Creep-fatigue interaction ; Damage ; Deformation ; Deformation behavior ; Fatigue cracks ; Fatigue failure ; Hybrid stress-strain controlled ; Materials fatigue ; Microstructure evolution ; Strain ; Surface cracks</subject><ispartof>International journal of fatigue, 2021-10, Vol.151, p.106357, Article 106357</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Oct 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-33cd0f19159c0d62217e1ac5c6dd55b7f836ddf2a84862e796a39bdaacd889a63</citedby><cites>FETCH-LOGICAL-c409t-33cd0f19159c0d62217e1ac5c6dd55b7f836ddf2a84862e796a39bdaacd889a63</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.2021.106357$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids></links><search><creatorcontrib>Zhang, Tianyu</creatorcontrib><creatorcontrib>Wang, Xiaowei</creatorcontrib><creatorcontrib>Ji, Yunnan</creatorcontrib><creatorcontrib>Tang, Jianqun</creatorcontrib><creatorcontrib>Jiang, Yong</creatorcontrib><creatorcontrib>Zhang, Xiancheng</creatorcontrib><creatorcontrib>Gong, Jianming</creatorcontrib><title>Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings</title><title>International journal of fatigue</title><description>•The hybrid-controlled creep-fatigue interaction (HCFI) tests have been performed.•All of the conducted HCFI tests can be divided into two regions.•The failure mechanisms of the HCFI tests in different regions have been clarified.•A new life prediction method based on the steady growth rate has been proposed.
The hybrid stress–strain controlled creep-fatigue interaction (HCFI) loadings at various dwell conditions were conducted on 9%Cr steel at 625 °C to investigate the deformation and damage mechanisms. Results reveal that the HCFI tests with conservative dwell conditions show complicated cyclic responses and low creep strain. The failure specimens demonstrate strong creep-fatigue interaction damage (CFID) with many branched surface cracks. With the increase in dwell stress and time, the HCFI tests show continuous softening and remarkable creep deformation. The creep-dominant damage (CDD) featured by internal creep cavities and blunt surface cracks leads to the final failure.</description><subject>Chromium steels</subject><subject>Creep fatigue</subject><subject>Creep strength</subject><subject>Creep-fatigue interaction</subject><subject>Damage</subject><subject>Deformation</subject><subject>Deformation behavior</subject><subject>Fatigue cracks</subject><subject>Fatigue failure</subject><subject>Hybrid stress-strain controlled</subject><subject>Materials fatigue</subject><subject>Microstructure evolution</subject><subject>Strain</subject><subject>Surface cracks</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFUMtKAzEUDaJgrX6DAXE5NY95ZVkGX1Bwo-uQJnfaDDNJTWaErvx1U1vcujqXy3ncexC6pWRBCS0fuoXtWjXazQQLRhhN25IX1Rma0boSGc8Ldo5mhOYso5TxS3QVY0cIEaQqZui72eveamyg9WFINt5h5Qw2alAbwAPorXI2DhH7Fov7JuA4AvR4cgYC3u7XwZq0ChBjlkBZh7V3Y_B9DwbrALDDp-uwdSMEpX8zeq-MdZt4jS5a1Ue4OeEcfTw9vjcv2ert-bVZrjKdEzFmnGtDWipoITQxJWO0Aqp0oUtjimJdtTVPU8tUndclg0qUiou1UUqbuhaq5HN0d_TdBf85QRxl56fgUqRkRfIreV1XiVUdWTr4GAO0chfsoMJeUiIPbctO_rUtD23LY9tJuTwqIT3xZSHIqC04DcYG0KM03v7r8QPsh49f</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Zhang, Tianyu</creator><creator>Wang, Xiaowei</creator><creator>Ji, Yunnan</creator><creator>Tang, Jianqun</creator><creator>Jiang, Yong</creator><creator>Zhang, Xiancheng</creator><creator>Gong, Jianming</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>202110</creationdate><title>Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings</title><author>Zhang, Tianyu ; Wang, Xiaowei ; Ji, Yunnan ; Tang, Jianqun ; Jiang, Yong ; Zhang, Xiancheng ; Gong, Jianming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-33cd0f19159c0d62217e1ac5c6dd55b7f836ddf2a84862e796a39bdaacd889a63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Chromium steels</topic><topic>Creep fatigue</topic><topic>Creep strength</topic><topic>Creep-fatigue interaction</topic><topic>Damage</topic><topic>Deformation</topic><topic>Deformation behavior</topic><topic>Fatigue cracks</topic><topic>Fatigue failure</topic><topic>Hybrid stress-strain controlled</topic><topic>Materials fatigue</topic><topic>Microstructure evolution</topic><topic>Strain</topic><topic>Surface cracks</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Tianyu</creatorcontrib><creatorcontrib>Wang, Xiaowei</creatorcontrib><creatorcontrib>Ji, Yunnan</creatorcontrib><creatorcontrib>Tang, Jianqun</creatorcontrib><creatorcontrib>Jiang, Yong</creatorcontrib><creatorcontrib>Zhang, Xiancheng</creatorcontrib><creatorcontrib>Gong, Jianming</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>Zhang, Tianyu</au><au>Wang, Xiaowei</au><au>Ji, Yunnan</au><au>Tang, Jianqun</au><au>Jiang, Yong</au><au>Zhang, Xiancheng</au><au>Gong, Jianming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings</atitle><jtitle>International journal of fatigue</jtitle><date>2021-10</date><risdate>2021</risdate><volume>151</volume><spage>106357</spage><pages>106357-</pages><artnum>106357</artnum><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>•The hybrid-controlled creep-fatigue interaction (HCFI) tests have been performed.•All of the conducted HCFI tests can be divided into two regions.•The failure mechanisms of the HCFI tests in different regions have been clarified.•A new life prediction method based on the steady growth rate has been proposed.
The hybrid stress–strain controlled creep-fatigue interaction (HCFI) loadings at various dwell conditions were conducted on 9%Cr steel at 625 °C to investigate the deformation and damage mechanisms. Results reveal that the HCFI tests with conservative dwell conditions show complicated cyclic responses and low creep strain. The failure specimens demonstrate strong creep-fatigue interaction damage (CFID) with many branched surface cracks. With the increase in dwell stress and time, the HCFI tests show continuous softening and remarkable creep deformation. The creep-dominant damage (CDD) featured by internal creep cavities and blunt surface cracks leads to the final failure.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2021.106357</doi></addata></record> |
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| ispartof | International journal of fatigue, 2021-10, Vol.151, p.106357, Article 106357 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Chromium steels Creep fatigue Creep strength Creep-fatigue interaction Damage Deformation Deformation behavior Fatigue cracks Fatigue failure Hybrid stress-strain controlled Materials fatigue Microstructure evolution Strain Surface cracks |
| title | Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings |
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