Constitutive Model for Equivalent Stress-Plastic Strain Curves Including Full-Range Strain Hardening Behavior of High-Strength Steel at Elevated Temperatures
High-strength steel has been increasingly applied to engineering structures and inevitably faces fire risks. The equivalent stress-plastic strain (σeq- εeqp) curves of steel at elevated temperatures are indispensable if a refined finite element model is used to investigate the response of steel memb...
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| Veröffentlicht in: | Materials 2022-11, Vol.15 (22), p.8075 |
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| creator | Zeng, Xiang Wu, Wanbo Zou, Juan Elchalakani, Mohamed |
| description | High-strength steel has been increasingly applied to engineering structures and inevitably faces fire risks. The equivalent stress-plastic strain (σeq- εeqp) curves of steel at elevated temperatures are indispensable if a refined finite element model is used to investigate the response of steel members and structures under fire. If the tensile deformation of steel is considerable, the σeq- εeqp curves at elevated temperatures are required to consider the strain-hardening behavior during the post-necking phase. However, there is little research on the topic. Based on the engineering stress-strain curves of Q890 high-strength steel in a uniaxial tension experiment at elevated temperatures, the σeq-εeqp curves before necking are determined using theoretical formulations. An inverse method based on finite element analysis is used to determine the σeq- εeqp curves during the post-necking phase. The characteristics of σeq-εeqp curves, including the full-range strain hardening behavior at different temperatures, are discussed. An equivalent stress-plastic strain model of Q890 steel at elevated temperature is proposed, which is consistent with the σeq-εeqp curves. The constitutive model is further verified by comparing the finite element analysis and test results. |
| doi_str_mv | 10.3390/ma15228075 |
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The equivalent stress-plastic strain (σeq- εeqp) curves of steel at elevated temperatures are indispensable if a refined finite element model is used to investigate the response of steel members and structures under fire. If the tensile deformation of steel is considerable, the σeq- εeqp curves at elevated temperatures are required to consider the strain-hardening behavior during the post-necking phase. However, there is little research on the topic. Based on the engineering stress-strain curves of Q890 high-strength steel in a uniaxial tension experiment at elevated temperatures, the σeq-εeqp curves before necking are determined using theoretical formulations. An inverse method based on finite element analysis is used to determine the σeq- εeqp curves during the post-necking phase. The characteristics of σeq-εeqp curves, including the full-range strain hardening behavior at different temperatures, are discussed. An equivalent stress-plastic strain model of Q890 steel at elevated temperature is proposed, which is consistent with the σeq-εeqp curves. The constitutive model is further verified by comparing the finite element analysis and test results.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15228075</identifier><identifier>PMID: 36431553</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Analysis ; Constitutive models ; Engineering ; Equivalence ; Finite element method ; High strength steel ; High strength steels ; High temperature ; Inverse method ; Mathematical models ; Mechanical properties ; Necking ; Numerical analysis ; Plastic deformation ; Steel ; Steel structures ; Steel, High strength ; Steel, Structural ; Strain hardening ; Stress-strain curves ; Temperature ; Tensile deformation ; Tensile strength ; Yield stress</subject><ispartof>Materials, 2022-11, Vol.15 (22), p.8075</ispartof><rights>COPYRIGHT 2022 MDPI AG</rights><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2022 by the authors. 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c334t-16bfdb2c39cc527c4f06ccb08677f82c88ef16b17dfee4a55e64c6d7b357f85f3</cites><orcidid>0000-0002-6011-5235</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9698872/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9698872/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36431553$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zeng, Xiang</creatorcontrib><creatorcontrib>Wu, Wanbo</creatorcontrib><creatorcontrib>Zou, Juan</creatorcontrib><creatorcontrib>Elchalakani, Mohamed</creatorcontrib><title>Constitutive Model for Equivalent Stress-Plastic Strain Curves Including Full-Range Strain Hardening Behavior of High-Strength Steel at Elevated Temperatures</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>High-strength steel has been increasingly applied to engineering structures and inevitably faces fire risks. The equivalent stress-plastic strain (σeq- εeqp) curves of steel at elevated temperatures are indispensable if a refined finite element model is used to investigate the response of steel members and structures under fire. If the tensile deformation of steel is considerable, the σeq- εeqp curves at elevated temperatures are required to consider the strain-hardening behavior during the post-necking phase. However, there is little research on the topic. Based on the engineering stress-strain curves of Q890 high-strength steel in a uniaxial tension experiment at elevated temperatures, the σeq-εeqp curves before necking are determined using theoretical formulations. An inverse method based on finite element analysis is used to determine the σeq- εeqp curves during the post-necking phase. The characteristics of σeq-εeqp curves, including the full-range strain hardening behavior at different temperatures, are discussed. An equivalent stress-plastic strain model of Q890 steel at elevated temperature is proposed, which is consistent with the σeq-εeqp curves. The constitutive model is further verified by comparing the finite element analysis and test results.</description><subject>Analysis</subject><subject>Constitutive models</subject><subject>Engineering</subject><subject>Equivalence</subject><subject>Finite element method</subject><subject>High strength steel</subject><subject>High strength steels</subject><subject>High temperature</subject><subject>Inverse method</subject><subject>Mathematical models</subject><subject>Mechanical properties</subject><subject>Necking</subject><subject>Numerical analysis</subject><subject>Plastic deformation</subject><subject>Steel</subject><subject>Steel structures</subject><subject>Steel, High strength</subject><subject>Steel, Structural</subject><subject>Strain hardening</subject><subject>Stress-strain curves</subject><subject>Temperature</subject><subject>Tensile deformation</subject><subject>Tensile strength</subject><subject>Yield stress</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdks9u1DAQxiMEolXphQdAkbggpBQ7tuPkglRWW7ZSEQjKOfI646wrx25tJxIPw7syq21LwT74z_zmG3_yFMVrSs4Y68iHSVFR1y2R4llxTLuuqWjH-fMn-6PiNKUbgoMx2tbdy-KINZxRIdhx8XsVfMo2z9kuUH4JA7jShFiu72a7KAc-lz9yhJSqb04hqPdHZX25muMCqbz02s2D9WN5MTtXfVd-hAdko-IAfh_7BDu1WJQNptzYcVftNf2Yd4gCVlS5XDtYVIahvIbpFqLKM1Z9VbwwyiU4vV9Pip8X6-vVprr6-vlydX5VacZ4rmizNcO21qzTWtRSc0MarbekbaQ0ba3bFgwyVA4GgCshoOG6GeSWCYwLw06Kjwfd23k7waDRdlSuv412UvFXH5Tt_414u-vHsPRd07WtrFHg3b1ADHczpNxPNmlwTnkIc-pryYkgkhCK6Nv_0JswR4_2kGL4X-hgT50dqBE_obfeBKyrcQ4wWR08GIv355ILyangDBPeHxJ0DClFMI-vp6Tfd0r_t1MQfvPU7yP60BfsD9jFvC4</recordid><startdate>20221115</startdate><enddate>20221115</enddate><creator>Zeng, Xiang</creator><creator>Wu, Wanbo</creator><creator>Zou, Juan</creator><creator>Elchalakani, Mohamed</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-6011-5235</orcidid></search><sort><creationdate>20221115</creationdate><title>Constitutive Model for Equivalent Stress-Plastic Strain Curves Including Full-Range Strain Hardening Behavior of High-Strength Steel at Elevated Temperatures</title><author>Zeng, Xiang ; Wu, Wanbo ; Zou, Juan ; Elchalakani, Mohamed</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-16bfdb2c39cc527c4f06ccb08677f82c88ef16b17dfee4a55e64c6d7b357f85f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Analysis</topic><topic>Constitutive models</topic><topic>Engineering</topic><topic>Equivalence</topic><topic>Finite element method</topic><topic>High strength steel</topic><topic>High strength steels</topic><topic>High temperature</topic><topic>Inverse method</topic><topic>Mathematical models</topic><topic>Mechanical properties</topic><topic>Necking</topic><topic>Numerical analysis</topic><topic>Plastic deformation</topic><topic>Steel</topic><topic>Steel structures</topic><topic>Steel, High strength</topic><topic>Steel, Structural</topic><topic>Strain hardening</topic><topic>Stress-strain curves</topic><topic>Temperature</topic><topic>Tensile deformation</topic><topic>Tensile strength</topic><topic>Yield stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zeng, Xiang</creatorcontrib><creatorcontrib>Wu, Wanbo</creatorcontrib><creatorcontrib>Zou, Juan</creatorcontrib><creatorcontrib>Elchalakani, Mohamed</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zeng, Xiang</au><au>Wu, Wanbo</au><au>Zou, Juan</au><au>Elchalakani, Mohamed</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Constitutive Model for Equivalent Stress-Plastic Strain Curves Including Full-Range Strain Hardening Behavior of High-Strength Steel at Elevated Temperatures</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2022-11-15</date><risdate>2022</risdate><volume>15</volume><issue>22</issue><spage>8075</spage><pages>8075-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>High-strength steel has been increasingly applied to engineering structures and inevitably faces fire risks. The equivalent stress-plastic strain (σeq- εeqp) curves of steel at elevated temperatures are indispensable if a refined finite element model is used to investigate the response of steel members and structures under fire. If the tensile deformation of steel is considerable, the σeq- εeqp curves at elevated temperatures are required to consider the strain-hardening behavior during the post-necking phase. However, there is little research on the topic. Based on the engineering stress-strain curves of Q890 high-strength steel in a uniaxial tension experiment at elevated temperatures, the σeq-εeqp curves before necking are determined using theoretical formulations. An inverse method based on finite element analysis is used to determine the σeq- εeqp curves during the post-necking phase. The characteristics of σeq-εeqp curves, including the full-range strain hardening behavior at different temperatures, are discussed. An equivalent stress-plastic strain model of Q890 steel at elevated temperature is proposed, which is consistent with the σeq-εeqp curves. The constitutive model is further verified by comparing the finite element analysis and test results.</abstract><cop>Switzerland</cop><pub>MDPI AG</pub><pmid>36431553</pmid><doi>10.3390/ma15228075</doi><orcidid>https://orcid.org/0000-0002-6011-5235</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Constitutive models Engineering Equivalence Finite element method High strength steel High strength steels High temperature Inverse method Mathematical models Mechanical properties Necking Numerical analysis Plastic deformation Steel Steel structures Steel, High strength Steel, Structural Strain hardening Stress-strain curves Temperature Tensile deformation Tensile strength Yield stress |
| title | Constitutive Model for Equivalent Stress-Plastic Strain Curves Including Full-Range Strain Hardening Behavior of High-Strength Steel at Elevated Temperatures |
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