Identification of inelastic material parameters for modified 9Cr–1Mo steel applicable to the plastic and viscoplastic constitutive equations
In this paper, the material parameters of plastic and viscoplastic constitutive equations for modified 9Cr–1Mo steel are developed for various isothermal conditions to support inelastic analysis for a sodium-cooled fast reactor. To do this, the material parameters related with the elastoplastic beha...
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| Veröffentlicht in: | The International journal of pressure vessels and piping 2011, Vol.88 (1), p.26-33 |
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| creator | Koo, Gyeong-Hoi Kwon, Ji-Hyun |
| description | In this paper, the material parameters of plastic and viscoplastic constitutive equations for modified 9Cr–1Mo steel are developed for various isothermal conditions to support inelastic analysis for a sodium-cooled fast reactor. To do this, the material parameters related with the elastoplastic behaviour are identified with uniaxial cyclic test data by performing computer simulations, which use the combined Chaboche model including the kinematic hardening rule and the isotropic softening rule. The viscous parameters are identified from uniaxial stress relaxation test data through computer simulations with the pre-determined elastoplastic material parameters. Sensitivity studies are performed for the material parameters to investigate cyclic inelastic behaviour and stress relaxation during a hold time. From the comparison between the tests and the simulations, it is expected that the identified material parameters of the plastic and viscoplastic constitutive equations can accurately express the material characteristics of modified 9Cr–1Mo steel sufficiently well to be used for inelastic analysis. |
| doi_str_mv | 10.1016/j.ijpvp.2010.11.004 |
| format | Article |
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To do this, the material parameters related with the elastoplastic behaviour are identified with uniaxial cyclic test data by performing computer simulations, which use the combined Chaboche model including the kinematic hardening rule and the isotropic softening rule. The viscous parameters are identified from uniaxial stress relaxation test data through computer simulations with the pre-determined elastoplastic material parameters. Sensitivity studies are performed for the material parameters to investigate cyclic inelastic behaviour and stress relaxation during a hold time. From the comparison between the tests and the simulations, it is expected that the identified material parameters of the plastic and viscoplastic constitutive equations can accurately express the material characteristics of modified 9Cr–1Mo steel sufficiently well to be used for inelastic analysis.</description><identifier>ISSN: 0308-0161</identifier><identifier>EISSN: 1879-3541</identifier><identifier>DOI: 10.1016/j.ijpvp.2010.11.004</identifier><identifier>CODEN: PRVPAS</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Chaboche constitutive equations ; Chromium molybdenum steels ; Computer simulation ; Constitutive equations ; Constitutive relationships ; Cyclic softening ; Elastoplasticity ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Inelastic analysis ; Inelasticity (thermoplasticity, viscoplasticity...) ; Kinematic hardening ; Mathematical models ; Mechanical engineering. Machine design ; Modified 9Cr–1Mo steel ; Physics ; Solid mechanics ; Steel design ; Steel tanks and pressure vessels; boiler manufacturing ; Steels ; Stress relaxation ; Structural and continuum mechanics ; Viscoplasticity</subject><ispartof>The International journal of pressure vessels and piping, 2011, Vol.88 (1), p.26-33</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-b31b38995bcb9034d0a3ed8271e8af5f8070c37ae59ecd4eb5b2c03bd37ebd283</citedby><cites>FETCH-LOGICAL-c365t-b31b38995bcb9034d0a3ed8271e8af5f8070c37ae59ecd4eb5b2c03bd37ebd283</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijpvp.2010.11.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23825341$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Koo, Gyeong-Hoi</creatorcontrib><creatorcontrib>Kwon, Ji-Hyun</creatorcontrib><title>Identification of inelastic material parameters for modified 9Cr–1Mo steel applicable to the plastic and viscoplastic constitutive equations</title><title>The International journal of pressure vessels and piping</title><description>In this paper, the material parameters of plastic and viscoplastic constitutive equations for modified 9Cr–1Mo steel are developed for various isothermal conditions to support inelastic analysis for a sodium-cooled fast reactor. To do this, the material parameters related with the elastoplastic behaviour are identified with uniaxial cyclic test data by performing computer simulations, which use the combined Chaboche model including the kinematic hardening rule and the isotropic softening rule. The viscous parameters are identified from uniaxial stress relaxation test data through computer simulations with the pre-determined elastoplastic material parameters. Sensitivity studies are performed for the material parameters to investigate cyclic inelastic behaviour and stress relaxation during a hold time. From the comparison between the tests and the simulations, it is expected that the identified material parameters of the plastic and viscoplastic constitutive equations can accurately express the material characteristics of modified 9Cr–1Mo steel sufficiently well to be used for inelastic analysis.</description><subject>Applied sciences</subject><subject>Chaboche constitutive equations</subject><subject>Chromium molybdenum steels</subject><subject>Computer simulation</subject><subject>Constitutive equations</subject><subject>Constitutive relationships</subject><subject>Cyclic softening</subject><subject>Elastoplasticity</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Inelastic analysis</subject><subject>Inelasticity (thermoplasticity, viscoplasticity...)</subject><subject>Kinematic hardening</subject><subject>Mathematical models</subject><subject>Mechanical engineering. Machine design</subject><subject>Modified 9Cr–1Mo steel</subject><subject>Physics</subject><subject>Solid mechanics</subject><subject>Steel design</subject><subject>Steel tanks and pressure vessels; boiler manufacturing</subject><subject>Steels</subject><subject>Stress relaxation</subject><subject>Structural and continuum mechanics</subject><subject>Viscoplasticity</subject><issn>0308-0161</issn><issn>1879-3541</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kL9u2zAQxomiBeqmeYIuXIpMckhRsqihQ2A0f4AEWZqZOJInlAYlKiRtoFufIEvesE8SOnY6Zjrc4fd9d_cR8o2zJWd8db5Zus28m5c120_4krHmA1lw2fWVaBv-kSyYYLIqKP9MvqS0YYx3rF0tyNONxSm7wRnILkw0DNRN6CFlZ-gIGaMDT2eIMGJpEh1CpGOwRYGW9uv47-8zvws0ZURPYZ59cdIeaQ40_0Y6H61gsnTnkglvAxOmUvM2ux1SfNy-rk9fyacBfMLTYz0hD5c_f62vq9v7q5v1xW1lxKrNlRZcC9n3rTa6Z6KxDARaWXccJQztIFnHjOgA2x6NbVC3ujZMaCs61LaW4oScHXznGB63mLIay3HoPUwYtklJ2Te8K2AhxYE0MaQUcVBzdCPEP4oztQ9fbdRr-GofvuJclfCL6vvRH5IBP0SYjEv_pbWQdSsaXrgfBw7LszuHUSXjcDJoXUSTlQ3u3T0vvaSgsA</recordid><startdate>2011</startdate><enddate>2011</enddate><creator>Koo, Gyeong-Hoi</creator><creator>Kwon, Ji-Hyun</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>2011</creationdate><title>Identification of inelastic material parameters for modified 9Cr–1Mo steel applicable to the plastic and viscoplastic constitutive equations</title><author>Koo, Gyeong-Hoi ; Kwon, Ji-Hyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-b31b38995bcb9034d0a3ed8271e8af5f8070c37ae59ecd4eb5b2c03bd37ebd283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied sciences</topic><topic>Chaboche constitutive equations</topic><topic>Chromium molybdenum steels</topic><topic>Computer simulation</topic><topic>Constitutive equations</topic><topic>Constitutive relationships</topic><topic>Cyclic softening</topic><topic>Elastoplasticity</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Inelastic analysis</topic><topic>Inelasticity (thermoplasticity, viscoplasticity...)</topic><topic>Kinematic hardening</topic><topic>Mathematical models</topic><topic>Mechanical engineering. Machine design</topic><topic>Modified 9Cr–1Mo steel</topic><topic>Physics</topic><topic>Solid mechanics</topic><topic>Steel design</topic><topic>Steel tanks and pressure vessels; boiler manufacturing</topic><topic>Steels</topic><topic>Stress relaxation</topic><topic>Structural and continuum mechanics</topic><topic>Viscoplasticity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Koo, Gyeong-Hoi</creatorcontrib><creatorcontrib>Kwon, Ji-Hyun</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>The International journal of pressure vessels and piping</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Koo, Gyeong-Hoi</au><au>Kwon, Ji-Hyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of inelastic material parameters for modified 9Cr–1Mo steel applicable to the plastic and viscoplastic constitutive equations</atitle><jtitle>The International journal of pressure vessels and piping</jtitle><date>2011</date><risdate>2011</risdate><volume>88</volume><issue>1</issue><spage>26</spage><epage>33</epage><pages>26-33</pages><issn>0308-0161</issn><eissn>1879-3541</eissn><coden>PRVPAS</coden><abstract>In this paper, the material parameters of plastic and viscoplastic constitutive equations for modified 9Cr–1Mo steel are developed for various isothermal conditions to support inelastic analysis for a sodium-cooled fast reactor. To do this, the material parameters related with the elastoplastic behaviour are identified with uniaxial cyclic test data by performing computer simulations, which use the combined Chaboche model including the kinematic hardening rule and the isotropic softening rule. The viscous parameters are identified from uniaxial stress relaxation test data through computer simulations with the pre-determined elastoplastic material parameters. Sensitivity studies are performed for the material parameters to investigate cyclic inelastic behaviour and stress relaxation during a hold time. From the comparison between the tests and the simulations, it is expected that the identified material parameters of the plastic and viscoplastic constitutive equations can accurately express the material characteristics of modified 9Cr–1Mo steel sufficiently well to be used for inelastic analysis.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijpvp.2010.11.004</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Chaboche constitutive equations Chromium molybdenum steels Computer simulation Constitutive equations Constitutive relationships Cyclic softening Elastoplasticity Exact sciences and technology Fundamental areas of phenomenology (including applications) Inelastic analysis Inelasticity (thermoplasticity, viscoplasticity...) Kinematic hardening Mathematical models Mechanical engineering. Machine design Modified 9Cr–1Mo steel Physics Solid mechanics Steel design Steel tanks and pressure vessels boiler manufacturing Steels Stress relaxation Structural and continuum mechanics Viscoplasticity |
| title | Identification of inelastic material parameters for modified 9Cr–1Mo steel applicable to the plastic and viscoplastic constitutive equations |
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