Effect of cyclic frequency on uniaxial ratcheting behavior of a textured AZ31B magnesium alloy under stress control
The ratcheting behavior of magnesium alloy AZ31B was investigated under controlled cyclic stress at frequencies of 0.5 Hz, 1.0 Hz and 2.0 Hz. The result showed that cyclic loading accelerates strain accumulation as compared with static creep at room temperature, and the effect of cyclic frequency on...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2020-09, Vol.795, p.139675, Article 139675 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Wu, Baolin Song, Linghui Duan, Guosheng Du, Xinghao Wang, Yinong Esling, Claude Philippe, Marie-Jeanne |
| description | The ratcheting behavior of magnesium alloy AZ31B was investigated under controlled cyclic stress at frequencies of 0.5 Hz, 1.0 Hz and 2.0 Hz. The result showed that cyclic loading accelerates strain accumulation as compared with static creep at room temperature, and the effect of cyclic frequency on strain rate dεr/dt, represented by strain in a unit time, is of multiplicity due to the diversification of deformation mechanisms. However, strain rate dεr/dN, represented by strain in one cycle, decreases evidently with increasing frequency at steady strain accumulative stage. High frequency promotes twinning-detwinning, and is favorable for prolonging the fatigue life in terms of cyclic number to failure. The fatigue life increases linearly with decrease of plastic strain energy density under all frequency conditions. This leads to conclude that frequency affects the fatigue life via changing plastic strain energy stored in the deformed microstructure. |
| doi_str_mv | 10.1016/j.msea.2020.139675 |
| format | Article |
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The result showed that cyclic loading accelerates strain accumulation as compared with static creep at room temperature, and the effect of cyclic frequency on strain rate dεr/dt, represented by strain in a unit time, is of multiplicity due to the diversification of deformation mechanisms. However, strain rate dεr/dN, represented by strain in one cycle, decreases evidently with increasing frequency at steady strain accumulative stage. High frequency promotes twinning-detwinning, and is favorable for prolonging the fatigue life in terms of cyclic number to failure. The fatigue life increases linearly with decrease of plastic strain energy density under all frequency conditions. This leads to conclude that frequency affects the fatigue life via changing plastic strain energy stored in the deformed microstructure.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2020.139675</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Creep (materials) ; Cyclic frequency ; Cyclic loads ; Deformation mechanisms ; Fatigue ; Fatigue failure ; Fatigue life ; Flux density ; Magnesium alloy ; Magnesium alloys ; Magnesium base alloys ; Plastic deformation ; Ratcheting ; Room temperature ; Slip ; Strain rate ; Twinning</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2020-09, Vol.795, p.139675, Article 139675</ispartof><rights>2020</rights><rights>Copyright Elsevier BV Sep 23, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-3e6a1ba20dc4fcf7371c9e6092cd1e514aa05a41acb82c113c66a6eeed7c67583</citedby><cites>FETCH-LOGICAL-c328t-3e6a1ba20dc4fcf7371c9e6092cd1e514aa05a41acb82c113c66a6eeed7c67583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921509320307541$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Wu, Baolin</creatorcontrib><creatorcontrib>Song, Linghui</creatorcontrib><creatorcontrib>Duan, Guosheng</creatorcontrib><creatorcontrib>Du, Xinghao</creatorcontrib><creatorcontrib>Wang, Yinong</creatorcontrib><creatorcontrib>Esling, Claude</creatorcontrib><creatorcontrib>Philippe, Marie-Jeanne</creatorcontrib><title>Effect of cyclic frequency on uniaxial ratcheting behavior of a textured AZ31B magnesium alloy under stress control</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The ratcheting behavior of magnesium alloy AZ31B was investigated under controlled cyclic stress at frequencies of 0.5 Hz, 1.0 Hz and 2.0 Hz. The result showed that cyclic loading accelerates strain accumulation as compared with static creep at room temperature, and the effect of cyclic frequency on strain rate dεr/dt, represented by strain in a unit time, is of multiplicity due to the diversification of deformation mechanisms. However, strain rate dεr/dN, represented by strain in one cycle, decreases evidently with increasing frequency at steady strain accumulative stage. High frequency promotes twinning-detwinning, and is favorable for prolonging the fatigue life in terms of cyclic number to failure. The fatigue life increases linearly with decrease of plastic strain energy density under all frequency conditions. This leads to conclude that frequency affects the fatigue life via changing plastic strain energy stored in the deformed microstructure.</description><subject>Creep (materials)</subject><subject>Cyclic frequency</subject><subject>Cyclic loads</subject><subject>Deformation mechanisms</subject><subject>Fatigue</subject><subject>Fatigue failure</subject><subject>Fatigue life</subject><subject>Flux density</subject><subject>Magnesium alloy</subject><subject>Magnesium alloys</subject><subject>Magnesium base alloys</subject><subject>Plastic deformation</subject><subject>Ratcheting</subject><subject>Room temperature</subject><subject>Slip</subject><subject>Strain rate</subject><subject>Twinning</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLBDEQhIMouD7-gKeA51nTyTx2wIuKLxC86MVL6O3p0SyzE00y4v57s6xnTw1NVXXXJ8QZqDkoqC9W83VknGul88K0dVPtiRksGlOUran3xUy1GopKteZQHMW4UkpBqaqZiLd9z5Sk7yVtaHAk-8BfE4-0kX6U0-jwx-EgAyb64OTGd7nkD_x2Pmw9KBP_pClwJ6_eDFzLNb6PHN20ljgMfpMDOg4ypsAxSvJjCn44EQc9DpFP_-axeL27fbl5KJ6e7x9vrp4KMnqRCsM1whK16qjsqW9MA9RynZtQB1xBiagqLAFpudAEYKiusWbmrqEMYGGOxfku9zP4XCkmu_JTGPNJq8umaQB0W2WV3qko-BgD9_YzuDWGjQVlt3Dtym7h2i1cu4ObTZc7E-f_vx0HG8llaNy5kHHazrv_7L__4YRo</recordid><startdate>20200923</startdate><enddate>20200923</enddate><creator>Wu, Baolin</creator><creator>Song, Linghui</creator><creator>Duan, Guosheng</creator><creator>Du, Xinghao</creator><creator>Wang, Yinong</creator><creator>Esling, Claude</creator><creator>Philippe, Marie-Jeanne</creator><general>Elsevier B.V</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>20200923</creationdate><title>Effect of cyclic frequency on uniaxial ratcheting behavior of a textured AZ31B magnesium alloy under stress control</title><author>Wu, Baolin ; Song, Linghui ; Duan, Guosheng ; Du, Xinghao ; Wang, Yinong ; Esling, Claude ; Philippe, Marie-Jeanne</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-3e6a1ba20dc4fcf7371c9e6092cd1e514aa05a41acb82c113c66a6eeed7c67583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Creep (materials)</topic><topic>Cyclic frequency</topic><topic>Cyclic loads</topic><topic>Deformation mechanisms</topic><topic>Fatigue</topic><topic>Fatigue failure</topic><topic>Fatigue life</topic><topic>Flux density</topic><topic>Magnesium alloy</topic><topic>Magnesium alloys</topic><topic>Magnesium base alloys</topic><topic>Plastic deformation</topic><topic>Ratcheting</topic><topic>Room temperature</topic><topic>Slip</topic><topic>Strain rate</topic><topic>Twinning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Baolin</creatorcontrib><creatorcontrib>Song, Linghui</creatorcontrib><creatorcontrib>Duan, Guosheng</creatorcontrib><creatorcontrib>Du, Xinghao</creatorcontrib><creatorcontrib>Wang, Yinong</creatorcontrib><creatorcontrib>Esling, Claude</creatorcontrib><creatorcontrib>Philippe, Marie-Jeanne</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Baolin</au><au>Song, Linghui</au><au>Duan, Guosheng</au><au>Du, Xinghao</au><au>Wang, Yinong</au><au>Esling, Claude</au><au>Philippe, Marie-Jeanne</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of cyclic frequency on uniaxial ratcheting behavior of a textured AZ31B magnesium alloy under stress control</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2020-09-23</date><risdate>2020</risdate><volume>795</volume><spage>139675</spage><pages>139675-</pages><artnum>139675</artnum><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The ratcheting behavior of magnesium alloy AZ31B was investigated under controlled cyclic stress at frequencies of 0.5 Hz, 1.0 Hz and 2.0 Hz. The result showed that cyclic loading accelerates strain accumulation as compared with static creep at room temperature, and the effect of cyclic frequency on strain rate dεr/dt, represented by strain in a unit time, is of multiplicity due to the diversification of deformation mechanisms. However, strain rate dεr/dN, represented by strain in one cycle, decreases evidently with increasing frequency at steady strain accumulative stage. High frequency promotes twinning-detwinning, and is favorable for prolonging the fatigue life in terms of cyclic number to failure. The fatigue life increases linearly with decrease of plastic strain energy density under all frequency conditions. This leads to conclude that frequency affects the fatigue life via changing plastic strain energy stored in the deformed microstructure.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2020.139675</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Creep (materials) Cyclic frequency Cyclic loads Deformation mechanisms Fatigue Fatigue failure Fatigue life Flux density Magnesium alloy Magnesium alloys Magnesium base alloys Plastic deformation Ratcheting Room temperature Slip Strain rate Twinning |
| title | Effect of cyclic frequency on uniaxial ratcheting behavior of a textured AZ31B magnesium alloy under stress control |
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