Ductility and formability of three high-Mn TWIP steels in quasi-static and high-speed tensile and Erichsen tests
The ductility and formability properties of three high-Mn TWIP steels were investigated under quasi-static and high-speed deformation conditions. The ductility was evaluated from conventional and Hopkinson split-bar tensile tests at 1250 s−1 and the stretch formability was evaluated using Erichsen t...
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creator | Hamada, A.S. Kisko, A. Khosravifard, A. Hassan, M.A. Karjalainen, L.P. Porter, D. |
description | The ductility and formability properties of three high-Mn TWIP steels were investigated under quasi-static and high-speed deformation conditions. The ductility was evaluated from conventional and Hopkinson split-bar tensile tests at 1250 s−1 and the stretch formability was evaluated using Erichsen tests made with a special high-speed electro-hydraulic forming machine at about 1000 s−1. The data were related to microstructural features revealed using electron backscatter diffraction and X-ray diffraction. Furthermore, the stacking fault energy (SFE) was estimated using a thermodynamic approach. It was found that the 0.6C-22Mn and 0.2C-21Mn-0.23N steels (compositions in wt%) with SFEs of 23–24 mJ/m2 exhibited good elongation and a large Erichsen index at both low and high strain rates. These were attributed to intensive mechanical twinning though partly replaced by dislocation slip in deformation bands in the high-speed tests. However, it was noticed that the high-speed stretching failure of these TWIP steels occurred in the uniform elongation range without diffuse necking. In the austenitic - ferritic 21Mn-3Al-3Si steel strain-induced martensite was formed, but the ferrite phase seemed to impair formability. |
doi_str_mv | 10.1016/j.msea.2017.11.111 |
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The ductility was evaluated from conventional and Hopkinson split-bar tensile tests at 1250 s−1 and the stretch formability was evaluated using Erichsen tests made with a special high-speed electro-hydraulic forming machine at about 1000 s−1. The data were related to microstructural features revealed using electron backscatter diffraction and X-ray diffraction. Furthermore, the stacking fault energy (SFE) was estimated using a thermodynamic approach. It was found that the 0.6C-22Mn and 0.2C-21Mn-0.23N steels (compositions in wt%) with SFEs of 23–24 mJ/m2 exhibited good elongation and a large Erichsen index at both low and high strain rates. These were attributed to intensive mechanical twinning though partly replaced by dislocation slip in deformation bands in the high-speed tests. However, it was noticed that the high-speed stretching failure of these TWIP steels occurred in the uniform elongation range without diffuse necking. In the austenitic - ferritic 21Mn-3Al-3Si steel strain-induced martensite was formed, but the ferrite phase seemed to impair formability.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2017.11.111</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Austenitic stainless steels ; Deformation ; Deformation twinning ; Diffraction ; Dislocations ; Ductility ; Ductility tests ; Electron backscatter diffraction ; Elongation ; Energy consumption ; Ferritic stainless steels ; Formability ; High speed ; High-Mn TWIP steel ; High-speed Erichsen test ; Martensite ; Mechanical twinning ; Necking ; Split-Hopkinson tensile test ; Stacking fault energy ; Strain ; Strain rate ; Stretch formability ; Tensile tests ; TWIP steels ; X-ray diffraction</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-01, Vol.712, p.255-265</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Jan 17, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-a7d2885bccd60a4fcc613ea9ae63338d378df6db87a80cadcf74f3bbc2328e8e3</citedby><cites>FETCH-LOGICAL-c328t-a7d2885bccd60a4fcc613ea9ae63338d378df6db87a80cadcf74f3bbc2328e8e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S092150931731571X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Hamada, A.S.</creatorcontrib><creatorcontrib>Kisko, A.</creatorcontrib><creatorcontrib>Khosravifard, A.</creatorcontrib><creatorcontrib>Hassan, M.A.</creatorcontrib><creatorcontrib>Karjalainen, L.P.</creatorcontrib><creatorcontrib>Porter, D.</creatorcontrib><title>Ductility and formability of three high-Mn TWIP steels in quasi-static and high-speed tensile and Erichsen tests</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The ductility and formability properties of three high-Mn TWIP steels were investigated under quasi-static and high-speed deformation conditions. The ductility was evaluated from conventional and Hopkinson split-bar tensile tests at 1250 s−1 and the stretch formability was evaluated using Erichsen tests made with a special high-speed electro-hydraulic forming machine at about 1000 s−1. The data were related to microstructural features revealed using electron backscatter diffraction and X-ray diffraction. Furthermore, the stacking fault energy (SFE) was estimated using a thermodynamic approach. It was found that the 0.6C-22Mn and 0.2C-21Mn-0.23N steels (compositions in wt%) with SFEs of 23–24 mJ/m2 exhibited good elongation and a large Erichsen index at both low and high strain rates. These were attributed to intensive mechanical twinning though partly replaced by dislocation slip in deformation bands in the high-speed tests. However, it was noticed that the high-speed stretching failure of these TWIP steels occurred in the uniform elongation range without diffuse necking. In the austenitic - ferritic 21Mn-3Al-3Si steel strain-induced martensite was formed, but the ferrite phase seemed to impair formability.</description><subject>Austenitic stainless steels</subject><subject>Deformation</subject><subject>Deformation twinning</subject><subject>Diffraction</subject><subject>Dislocations</subject><subject>Ductility</subject><subject>Ductility tests</subject><subject>Electron backscatter diffraction</subject><subject>Elongation</subject><subject>Energy consumption</subject><subject>Ferritic stainless steels</subject><subject>Formability</subject><subject>High speed</subject><subject>High-Mn TWIP steel</subject><subject>High-speed Erichsen test</subject><subject>Martensite</subject><subject>Mechanical twinning</subject><subject>Necking</subject><subject>Split-Hopkinson tensile test</subject><subject>Stacking fault energy</subject><subject>Strain</subject><subject>Strain rate</subject><subject>Stretch formability</subject><subject>Tensile tests</subject><subject>TWIP steels</subject><subject>X-ray diffraction</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kF9LwzAUxYMoOKdfwKeAz61J0z8p-CJz6mCiDxMfQ5rc2pSu7ZJM2Lc3W30WLlzu4fzugYPQLSUxJTS_b-OtAxknhBYxpWHoGZpRXrAoLVl-jmakTGiUkZJdoivnWkIITUk2Q-PTXnnTGX_Aste4HuxWVtM91Ng3FgA35ruJ3nq8-Vp9YOcBOodNj3d76UzkvPRGneCTz40AGnvonengJC-tUY2DPojOu2t0UcvOwc3fnqPP5-Vm8Rqt319Wi8d1pFjCfSQLnXCeVUrpnMi0ViqnDGQpIWeMcc0KrutcV7yQnCipVV2kNasqlQQcOLA5upv-jnbY7UOyaIe97UOkCC1xkmRJngZXMrmUHZyzUIvRmq20B0GJODYrWnFs9sgUgtIwNEAPExSKgB8DVjhloFegjQXlhR7Mf_gv6ZyDeQ</recordid><startdate>20180117</startdate><enddate>20180117</enddate><creator>Hamada, A.S.</creator><creator>Kisko, A.</creator><creator>Khosravifard, A.</creator><creator>Hassan, M.A.</creator><creator>Karjalainen, L.P.</creator><creator>Porter, D.</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>20180117</creationdate><title>Ductility and formability of three high-Mn TWIP steels in quasi-static and high-speed tensile and Erichsen tests</title><author>Hamada, A.S. ; Kisko, A. ; Khosravifard, A. ; Hassan, M.A. ; Karjalainen, L.P. ; Porter, D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-a7d2885bccd60a4fcc613ea9ae63338d378df6db87a80cadcf74f3bbc2328e8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Austenitic stainless steels</topic><topic>Deformation</topic><topic>Deformation twinning</topic><topic>Diffraction</topic><topic>Dislocations</topic><topic>Ductility</topic><topic>Ductility tests</topic><topic>Electron backscatter diffraction</topic><topic>Elongation</topic><topic>Energy consumption</topic><topic>Ferritic stainless steels</topic><topic>Formability</topic><topic>High speed</topic><topic>High-Mn TWIP steel</topic><topic>High-speed Erichsen test</topic><topic>Martensite</topic><topic>Mechanical twinning</topic><topic>Necking</topic><topic>Split-Hopkinson tensile test</topic><topic>Stacking fault energy</topic><topic>Strain</topic><topic>Strain rate</topic><topic>Stretch formability</topic><topic>Tensile tests</topic><topic>TWIP steels</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hamada, A.S.</creatorcontrib><creatorcontrib>Kisko, A.</creatorcontrib><creatorcontrib>Khosravifard, A.</creatorcontrib><creatorcontrib>Hassan, M.A.</creatorcontrib><creatorcontrib>Karjalainen, L.P.</creatorcontrib><creatorcontrib>Porter, D.</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>Hamada, A.S.</au><au>Kisko, A.</au><au>Khosravifard, A.</au><au>Hassan, M.A.</au><au>Karjalainen, L.P.</au><au>Porter, D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ductility and formability of three high-Mn TWIP steels in quasi-static and high-speed tensile and Erichsen tests</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2018-01-17</date><risdate>2018</risdate><volume>712</volume><spage>255</spage><epage>265</epage><pages>255-265</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The ductility and formability properties of three high-Mn TWIP steels were investigated under quasi-static and high-speed deformation conditions. The ductility was evaluated from conventional and Hopkinson split-bar tensile tests at 1250 s−1 and the stretch formability was evaluated using Erichsen tests made with a special high-speed electro-hydraulic forming machine at about 1000 s−1. The data were related to microstructural features revealed using electron backscatter diffraction and X-ray diffraction. Furthermore, the stacking fault energy (SFE) was estimated using a thermodynamic approach. It was found that the 0.6C-22Mn and 0.2C-21Mn-0.23N steels (compositions in wt%) with SFEs of 23–24 mJ/m2 exhibited good elongation and a large Erichsen index at both low and high strain rates. These were attributed to intensive mechanical twinning though partly replaced by dislocation slip in deformation bands in the high-speed tests. However, it was noticed that the high-speed stretching failure of these TWIP steels occurred in the uniform elongation range without diffuse necking. In the austenitic - ferritic 21Mn-3Al-3Si steel strain-induced martensite was formed, but the ferrite phase seemed to impair formability.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2017.11.111</doi><tpages>11</tpages></addata></record> |
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subjects | Austenitic stainless steels Deformation Deformation twinning Diffraction Dislocations Ductility Ductility tests Electron backscatter diffraction Elongation Energy consumption Ferritic stainless steels Formability High speed High-Mn TWIP steel High-speed Erichsen test Martensite Mechanical twinning Necking Split-Hopkinson tensile test Stacking fault energy Strain Strain rate Stretch formability Tensile tests TWIP steels X-ray diffraction |
title | Ductility and formability of three high-Mn TWIP steels in quasi-static and high-speed tensile and Erichsen tests |
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