Analysis of Forming Process of Automotive Aluminum Alloys Considering Formability and Springback
Formability and springback of the automotive aluminum alloy sheet, 6K21-T4, in the sheet forming process were numerically investigated utilizing the combined isotropic-kinematic hardening law based on the modified Chaboche model. To account for the anisotropic plastic behavior, the non-quadratic ani...
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| Veröffentlicht in: | Key engineering materials 2007-08, Vol.345-346, p.857-860 |
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| creator | Lee, Won Oh Chung, Kwan Soo Kim, Dae Yong Kim, June Hyung Hong, Seung Hyun |
| description | Formability and springback of the automotive aluminum alloy sheet, 6K21-T4, in the sheet
forming process were numerically investigated utilizing the combined isotropic-kinematic hardening
law based on the modified Chaboche model. To account for the anisotropic plastic behavior, the
non-quadratic anisotropic yield stress potential, Yld2004-18p was considered. In order to characterize
the mechanical properties, uni-axial tension tests were performed for the anisotropic yielding and
hardening behavior, while uni-axial tension/compression tests were performed for the Bauschinger
and transient behavior. The Erichsen test was carried out to partially obtain forming limit strains and
FLD was also calculated based on the M-K theory to complete the FLD. The failure location during
simulation was determined by comparing strains with FLD strains. For verification purposes, the
automotive hood outer panel was stamped in real. After forming, the amount of draw-in, thinning and
springback were measured and compared with numerical simulation results. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.345-346.857 |
| format | Article |
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forming process were numerically investigated utilizing the combined isotropic-kinematic hardening
law based on the modified Chaboche model. To account for the anisotropic plastic behavior, the
non-quadratic anisotropic yield stress potential, Yld2004-18p was considered. In order to characterize
the mechanical properties, uni-axial tension tests were performed for the anisotropic yielding and
hardening behavior, while uni-axial tension/compression tests were performed for the Bauschinger
and transient behavior. The Erichsen test was carried out to partially obtain forming limit strains and
FLD was also calculated based on the M-K theory to complete the FLD. The failure location during
simulation was determined by comparing strains with FLD strains. For verification purposes, the
automotive hood outer panel was stamped in real. After forming, the amount of draw-in, thinning and
springback were measured and compared with numerical simulation results.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.345-346.857</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><ispartof>Key engineering materials, 2007-08, Vol.345-346, p.857-860</ispartof><rights>2007 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c301t-37ee51d009dbeaca0a448366e1ba2a3e8e0e5bafb8765d26b01ee7fa829d42c83</citedby><cites>FETCH-LOGICAL-c301t-37ee51d009dbeaca0a448366e1ba2a3e8e0e5bafb8765d26b01ee7fa829d42c83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/70?width=600</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Lee, Won Oh</creatorcontrib><creatorcontrib>Chung, Kwan Soo</creatorcontrib><creatorcontrib>Kim, Dae Yong</creatorcontrib><creatorcontrib>Kim, June Hyung</creatorcontrib><creatorcontrib>Hong, Seung Hyun</creatorcontrib><title>Analysis of Forming Process of Automotive Aluminum Alloys Considering Formability and Springback</title><title>Key engineering materials</title><description>Formability and springback of the automotive aluminum alloy sheet, 6K21-T4, in the sheet
forming process were numerically investigated utilizing the combined isotropic-kinematic hardening
law based on the modified Chaboche model. To account for the anisotropic plastic behavior, the
non-quadratic anisotropic yield stress potential, Yld2004-18p was considered. In order to characterize
the mechanical properties, uni-axial tension tests were performed for the anisotropic yielding and
hardening behavior, while uni-axial tension/compression tests were performed for the Bauschinger
and transient behavior. The Erichsen test was carried out to partially obtain forming limit strains and
FLD was also calculated based on the M-K theory to complete the FLD. The failure location during
simulation was determined by comparing strains with FLD strains. For verification purposes, the
automotive hood outer panel was stamped in real. After forming, the amount of draw-in, thinning and
springback were measured and compared with numerical simulation results.</description><issn>1013-9826</issn><issn>1662-9795</issn><issn>1662-9795</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqVkEFPwzAMhSsEEmPwH3rigNQuado0PY6xAWIIJOAc0tSFjLYZScrUf0_KkDhzsPxk-z1ZXxBcYBSnKGGz3W4XW6mgc6pWMu7Aze6W9zFJs4ikNGZZfhBMMKVJVORFdug1wiQqWEKPgxNrNwgRzHA2CV7nnWgGq2yo63ClTau6t_DRaAn2ZzTvnW61U18Qzpveb_vWi0YPNlzozqoKzOgYnaJUjXJDKLoqfNqO41LIj9PgqBaNhbPfPg1eVsvnxU20fri-XczXkSQIu4jkABmuECqqEoQUSKQpI5QCLkUiCDBAkJWiLllOsyqhJcIAeS1YUlRpIhmZBuf73K3Rnz1Yx1tlJTSN6ED3lidFkWcopf7wcn8ojbbWQM39r60wA8eIj3C5h8v_4HIPl3u43MP1RbmH60Ou9iHOiM46kO98o3vjWdr_xHwDUpGP4g</recordid><startdate>20070815</startdate><enddate>20070815</enddate><creator>Lee, Won Oh</creator><creator>Chung, Kwan Soo</creator><creator>Kim, Dae Yong</creator><creator>Kim, June Hyung</creator><creator>Hong, Seung Hyun</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20070815</creationdate><title>Analysis of Forming Process of Automotive Aluminum Alloys Considering Formability and Springback</title><author>Lee, Won Oh ; Chung, Kwan Soo ; Kim, Dae Yong ; Kim, June Hyung ; Hong, Seung Hyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c301t-37ee51d009dbeaca0a448366e1ba2a3e8e0e5bafb8765d26b01ee7fa829d42c83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Won Oh</creatorcontrib><creatorcontrib>Chung, Kwan Soo</creatorcontrib><creatorcontrib>Kim, Dae Yong</creatorcontrib><creatorcontrib>Kim, June Hyung</creatorcontrib><creatorcontrib>Hong, Seung Hyun</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Key engineering materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lee, Won Oh</au><au>Chung, Kwan Soo</au><au>Kim, Dae Yong</au><au>Kim, June Hyung</au><au>Hong, Seung Hyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of Forming Process of Automotive Aluminum Alloys Considering Formability and Springback</atitle><jtitle>Key engineering materials</jtitle><date>2007-08-15</date><risdate>2007</risdate><volume>345-346</volume><spage>857</spage><epage>860</epage><pages>857-860</pages><issn>1013-9826</issn><issn>1662-9795</issn><eissn>1662-9795</eissn><abstract>Formability and springback of the automotive aluminum alloy sheet, 6K21-T4, in the sheet
forming process were numerically investigated utilizing the combined isotropic-kinematic hardening
law based on the modified Chaboche model. To account for the anisotropic plastic behavior, the
non-quadratic anisotropic yield stress potential, Yld2004-18p was considered. In order to characterize
the mechanical properties, uni-axial tension tests were performed for the anisotropic yielding and
hardening behavior, while uni-axial tension/compression tests were performed for the Bauschinger
and transient behavior. The Erichsen test was carried out to partially obtain forming limit strains and
FLD was also calculated based on the M-K theory to complete the FLD. The failure location during
simulation was determined by comparing strains with FLD strains. For verification purposes, the
automotive hood outer panel was stamped in real. After forming, the amount of draw-in, thinning and
springback were measured and compared with numerical simulation results.</abstract><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.345-346.857</doi><tpages>4</tpages></addata></record> |
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| title | Analysis of Forming Process of Automotive Aluminum Alloys Considering Formability and Springback |
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