Ultrafine ferrite formation through cold-rolling and annealing of low-carbon dual-phase steel
Formation process of ultrafine grained ferrite through a simple thermomechanical route composed of cold-rolling and annealing of dual-phase starting microstructures was investigated. A 0·1%C steel having a ferrite-martensite dual-phase microstructure was cold-rolled by 91% and subsequently annealed...
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| Veröffentlicht in: | Materials science and technology 2015-04, Vol.31 (6), p.745-754 |
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| container_title | Materials science and technology |
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| creator | Okitsu, Y. Takata, N. Tsuji, N. |
| description | Formation process of ultrafine grained ferrite through a simple thermomechanical route composed of cold-rolling and annealing of dual-phase starting microstructures was investigated. A 0·1%C steel having a ferrite-martensite dual-phase microstructure was cold-rolled by 91% and subsequently annealed below the eutectoid (A1) temperature. During the annealing, the cold-rolled microstructure gradually changed to be equiaxed ultrafine ferrite, without preferential growth of particular ferrite grains. Hardness of the cold-rolled specimen continuously decreased without a significant drop. The main components of texture in the cold-rolled specimen, α-fibre and γ-fibre, did not change greatly after the formation of ultrafine grains. It was suggested that finely subdivided region having large misorientations in the cold-rolled state grew with recovery to form the ultrafine ferrite. |
| doi_str_mv | 10.1179/1743284714Y.0000000660 |
| format | Article |
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A 0·1%C steel having a ferrite-martensite dual-phase microstructure was cold-rolled by 91% and subsequently annealed below the eutectoid (A1) temperature. During the annealing, the cold-rolled microstructure gradually changed to be equiaxed ultrafine ferrite, without preferential growth of particular ferrite grains. Hardness of the cold-rolled specimen continuously decreased without a significant drop. The main components of texture in the cold-rolled specimen, α-fibre and γ-fibre, did not change greatly after the formation of ultrafine grains. It was suggested that finely subdivided region having large misorientations in the cold-rolled state grew with recovery to form the ultrafine ferrite.</description><identifier>ISSN: 0267-0836</identifier><identifier>EISSN: 1743-2847</identifier><identifier>DOI: 10.1179/1743284714Y.0000000660</identifier><identifier>CODEN: MSCTEP</identifier><language>eng</language><publisher>London, England: Taylor & Francis</publisher><subject>Annealing ; Carbon steels ; Cold rolling ; Dual phase steels ; Duplex stainless steels ; Ferrite ; Formations ; Martensite ; Materials science ; Microstructure ; Severe plastic deformation ; Steel ; Texture ; Ultrafine grain</subject><ispartof>Materials science and technology, 2015-04, Vol.31 (6), p.745-754</ispartof><rights>2015 Institute of Materials, Minerals and Mining 2015</rights><rights>2015 Institute of Materials, Minerals and Mining</rights><rights>(©) 2015 Institute of Materials, Minerals and Mining</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c484t-3cbb615990fc4c8e0d092710d3b9c630250aa47879a82ca9741cac8dae4a7da13</citedby><cites>FETCH-LOGICAL-c484t-3cbb615990fc4c8e0d092710d3b9c630250aa47879a82ca9741cac8dae4a7da13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1179/1743284714Y.0000000660$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1179/1743284714Y.0000000660$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,778,782,21802,27907,27908,43604,43605</link.rule.ids></links><search><creatorcontrib>Okitsu, Y.</creatorcontrib><creatorcontrib>Takata, N.</creatorcontrib><creatorcontrib>Tsuji, N.</creatorcontrib><title>Ultrafine ferrite formation through cold-rolling and annealing of low-carbon dual-phase steel</title><title>Materials science and technology</title><description>Formation process of ultrafine grained ferrite through a simple thermomechanical route composed of cold-rolling and annealing of dual-phase starting microstructures was investigated. A 0·1%C steel having a ferrite-martensite dual-phase microstructure was cold-rolled by 91% and subsequently annealed below the eutectoid (A1) temperature. During the annealing, the cold-rolled microstructure gradually changed to be equiaxed ultrafine ferrite, without preferential growth of particular ferrite grains. Hardness of the cold-rolled specimen continuously decreased without a significant drop. The main components of texture in the cold-rolled specimen, α-fibre and γ-fibre, did not change greatly after the formation of ultrafine grains. It was suggested that finely subdivided region having large misorientations in the cold-rolled state grew with recovery to form the ultrafine ferrite.</description><subject>Annealing</subject><subject>Carbon steels</subject><subject>Cold rolling</subject><subject>Dual phase steels</subject><subject>Duplex stainless steels</subject><subject>Ferrite</subject><subject>Formations</subject><subject>Martensite</subject><subject>Materials science</subject><subject>Microstructure</subject><subject>Severe plastic deformation</subject><subject>Steel</subject><subject>Texture</subject><subject>Ultrafine grain</subject><issn>0267-0836</issn><issn>1743-2847</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LAzEQhoMoWKt_QRa8eNma7Kb5OJbiFwhe7MGDhNlstt2SJjXZpfTfu9sVLF46MAxh3ued8CJ0S_CEEC4fCKd5Jign9HOCh2IMn6FRv0j7zTka4YzxFIucXaKrGNe9Rko5Ql8L2wSoameSyoRQN930YQNN7V3SrIJvl6tEe1umwVtbu2UCruzaGTi8fJVYv0s1hKIDyhZsul1BNElsjLHX6KICG83N7xyjxdPjx_wlfXt_fp3P3lJNBW3SXBcFI1MpcaWpFgaXWGac4DIvpGY5zqYYgHLBJYhMg-SUaNCiBEOBl0DyMboffLfBf7cmNmpTR22sBWd8GxVhTAqZdTc66d0_6dq3wXW_61SUT7HIaG_IBpUOPsZgKrUN9QbCXhGs-tTVUerqL_UOzAcwwtIcWZ-iZgNVu0P6Ox9sqRrYWx-qAE7XUeUnPH4AYXmX-w</recordid><startdate>20150401</startdate><enddate>20150401</enddate><creator>Okitsu, Y.</creator><creator>Takata, N.</creator><creator>Tsuji, N.</creator><general>Taylor & Francis</general><general>SAGE Publications</general><general>Taylor & Francis Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20150401</creationdate><title>Ultrafine ferrite formation through cold-rolling and annealing of low-carbon dual-phase steel</title><author>Okitsu, Y. ; Takata, N. ; Tsuji, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c484t-3cbb615990fc4c8e0d092710d3b9c630250aa47879a82ca9741cac8dae4a7da13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Annealing</topic><topic>Carbon steels</topic><topic>Cold rolling</topic><topic>Dual phase steels</topic><topic>Duplex stainless steels</topic><topic>Ferrite</topic><topic>Formations</topic><topic>Martensite</topic><topic>Materials science</topic><topic>Microstructure</topic><topic>Severe plastic deformation</topic><topic>Steel</topic><topic>Texture</topic><topic>Ultrafine grain</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Okitsu, Y.</creatorcontrib><creatorcontrib>Takata, N.</creatorcontrib><creatorcontrib>Tsuji, N.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Okitsu, Y.</au><au>Takata, N.</au><au>Tsuji, N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrafine ferrite formation through cold-rolling and annealing of low-carbon dual-phase steel</atitle><jtitle>Materials science and technology</jtitle><date>2015-04-01</date><risdate>2015</risdate><volume>31</volume><issue>6</issue><spage>745</spage><epage>754</epage><pages>745-754</pages><issn>0267-0836</issn><eissn>1743-2847</eissn><coden>MSCTEP</coden><abstract>Formation process of ultrafine grained ferrite through a simple thermomechanical route composed of cold-rolling and annealing of dual-phase starting microstructures was investigated. A 0·1%C steel having a ferrite-martensite dual-phase microstructure was cold-rolled by 91% and subsequently annealed below the eutectoid (A1) temperature. During the annealing, the cold-rolled microstructure gradually changed to be equiaxed ultrafine ferrite, without preferential growth of particular ferrite grains. Hardness of the cold-rolled specimen continuously decreased without a significant drop. The main components of texture in the cold-rolled specimen, α-fibre and γ-fibre, did not change greatly after the formation of ultrafine grains. It was suggested that finely subdivided region having large misorientations in the cold-rolled state grew with recovery to form the ultrafine ferrite.</abstract><cop>London, England</cop><pub>Taylor & Francis</pub><doi>10.1179/1743284714Y.0000000660</doi><tpages>10</tpages></addata></record> |
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| ispartof | Materials science and technology, 2015-04, Vol.31 (6), p.745-754 |
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| language | eng |
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| source | SAGE Complete |
| subjects | Annealing Carbon steels Cold rolling Dual phase steels Duplex stainless steels Ferrite Formations Martensite Materials science Microstructure Severe plastic deformation Steel Texture Ultrafine grain |
| title | Ultrafine ferrite formation through cold-rolling and annealing of low-carbon dual-phase steel |
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