Static recrystallization characteristics and kinetics of high-silicon steels for direct quenching and partitioning
In the direct quenching and partitioning (DQ&P) process, tough ultra-high-strength steel is made by combining thermomechanical processing with quenching and partitioning to obtain martensite toughened by thin films of retained austenite. The hot rolling stage with deformation and recrystallizati...
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| Veröffentlicht in: | International journal of materials research 2019-03, Vol.110 (3), p.183-193 |
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| container_title | International journal of materials research |
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| creator | Somani, Mahesh C. Porter, David A. Karjalainen, L. Pentti Kantanen, Pekka K. Kömi, Jukka I. Misra, Devesh K. |
| description | In the direct quenching and partitioning (DQ&P) process, tough ultra-high-strength steel is made by combining thermomechanical processing with quenching and partitioning to obtain martensite toughened by thin films of retained austenite. The hot rolling stage with deformation and recrystallization between the rolling passes affects the state of the austenite before quenching and partitioning. This paper describes the static recrystallization kinetics of two steels with compositions suited to DQ&P processing, viz. (in wt.%) 0.3C-1Si-2Mn-1Cr and 0.25C-1.5Si-3Mn. The stress relaxation technique on a Gleeble thermomechanical simulator provided recrystallization times over a wide range of temperature, strain, strain rate and initial grain size. The higher levels of Si and Mn made the recrystallization kinetics less sensitive to strain, strain rate and temperature. The equations derived to describe the recrystallization kinetics can be used in the design of the rough rolling part of thermomechanical processing. |
| doi_str_mv | 10.3139/146.111744 |
| format | Article |
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The higher levels of Si and Mn made the recrystallization kinetics less sensitive to strain, strain rate and temperature. The equations derived to describe the recrystallization kinetics can be used in the design of the rough rolling part of thermomechanical processing.</description><identifier>ISSN: 1862-5282</identifier><identifier>EISSN: 2195-8556</identifier><identifier>DOI: 10.3139/146.111744</identifier><language>eng</language><publisher>Stuttgart: De Gruyter</publisher><subject>Austenite ; Deformation ; Direct quenching ; Direct quenching and partitioning ; Flow stress ; High strength steels ; Hot rolling ; Martensite ; Partitioning ; Recrystallization ; Retained austenite ; Silicon steels ; Strain rate ; Stress relaxation ; Thermal simulators ; Thermomechanical treatment ; Thin films</subject><ispartof>International journal of materials research, 2019-03, Vol.110 (3), p.183-193</ispartof><rights>Copyright Carl Hanser Verlag Mar 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c414t-f5d287492169b3fe88813e606b754db89674ac4575ffc70f2c52d844d4c998c3</citedby><cites>FETCH-LOGICAL-c414t-f5d287492169b3fe88813e606b754db89674ac4575ffc70f2c52d844d4c998c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111744/pdf$$EPDF$$P50$$Gwalterdegruyter$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.degruyter.com/document/doi/10.3139/146.111744/html$$EHTML$$P50$$Gwalterdegruyter$$Hfree_for_read</linktohtml><link.rule.ids>315,781,785,27929,27930,66759,68543</link.rule.ids></links><search><creatorcontrib>Somani, Mahesh C.</creatorcontrib><creatorcontrib>Porter, David A.</creatorcontrib><creatorcontrib>Karjalainen, L. Pentti</creatorcontrib><creatorcontrib>Kantanen, Pekka K.</creatorcontrib><creatorcontrib>Kömi, Jukka I.</creatorcontrib><creatorcontrib>Misra, Devesh K.</creatorcontrib><title>Static recrystallization characteristics and kinetics of high-silicon steels for direct quenching and partitioning</title><title>International journal of materials research</title><description>In the direct quenching and partitioning (DQ&P) process, tough ultra-high-strength steel is made by combining thermomechanical processing with quenching and partitioning to obtain martensite toughened by thin films of retained austenite. The hot rolling stage with deformation and recrystallization between the rolling passes affects the state of the austenite before quenching and partitioning. This paper describes the static recrystallization kinetics of two steels with compositions suited to DQ&P processing, viz. (in wt.%) 0.3C-1Si-2Mn-1Cr and 0.25C-1.5Si-3Mn. The stress relaxation technique on a Gleeble thermomechanical simulator provided recrystallization times over a wide range of temperature, strain, strain rate and initial grain size. The higher levels of Si and Mn made the recrystallization kinetics less sensitive to strain, strain rate and temperature. The equations derived to describe the recrystallization kinetics can be used in the design of the rough rolling part of thermomechanical processing.</description><subject>Austenite</subject><subject>Deformation</subject><subject>Direct quenching</subject><subject>Direct quenching and partitioning</subject><subject>Flow stress</subject><subject>High strength steels</subject><subject>Hot rolling</subject><subject>Martensite</subject><subject>Partitioning</subject><subject>Recrystallization</subject><subject>Retained austenite</subject><subject>Silicon steels</subject><subject>Strain rate</subject><subject>Stress relaxation</subject><subject>Thermal simulators</subject><subject>Thermomechanical treatment</subject><subject>Thin films</subject><issn>1862-5282</issn><issn>2195-8556</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNptkMtOwzAQRS0EEqWw4Qsilkgpfj-WqOIlIbGge8t17MYlJMF2hcrX4zYsWc3M1ZmrmQvANYILgoi6Q5QvEEKC0hMww0ixWjLGT8EMSY5rhiU-BxcpbSFkiAs8A_E9mxxsFZ2N-5RN14WfIgx9ZVsTjc0uhlSAVJm-qT5C747D4Ks2bNo6hS7YAqfsXJcqP8SqCcUrV18719s29Jvj4mhiDgfbIlyCM2-65K7-6hysHh9Wy-f69e3pZXn_WluKaK49a7AUVGHE1Zp4J6VExHHI14LRZi0VF9RYygTz3grosWW4kZQ21ColLZmDm8l2jEM5JmUd3TjEnDTGUCkhKWEFup0gG4eUovN6jOHTxL1GUB8S1SVRPSVaYDXB36YruTRuE3f70ujtsIt9eeWfJYQgQZKQX3vafCY</recordid><startdate>20190301</startdate><enddate>20190301</enddate><creator>Somani, Mahesh C.</creator><creator>Porter, David A.</creator><creator>Karjalainen, L. Pentti</creator><creator>Kantanen, Pekka K.</creator><creator>Kömi, Jukka I.</creator><creator>Misra, Devesh K.</creator><general>De Gruyter</general><general>Carl Hanser Verlag</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190301</creationdate><title>Static recrystallization characteristics and kinetics of high-silicon steels for direct quenching and partitioning</title><author>Somani, Mahesh C. ; Porter, David A. ; Karjalainen, L. Pentti ; Kantanen, Pekka K. ; Kömi, Jukka I. ; Misra, Devesh K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c414t-f5d287492169b3fe88813e606b754db89674ac4575ffc70f2c52d844d4c998c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Austenite</topic><topic>Deformation</topic><topic>Direct quenching</topic><topic>Direct quenching and partitioning</topic><topic>Flow stress</topic><topic>High strength steels</topic><topic>Hot rolling</topic><topic>Martensite</topic><topic>Partitioning</topic><topic>Recrystallization</topic><topic>Retained austenite</topic><topic>Silicon steels</topic><topic>Strain rate</topic><topic>Stress relaxation</topic><topic>Thermal simulators</topic><topic>Thermomechanical treatment</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Somani, Mahesh C.</creatorcontrib><creatorcontrib>Porter, David A.</creatorcontrib><creatorcontrib>Karjalainen, L. Pentti</creatorcontrib><creatorcontrib>Kantanen, Pekka K.</creatorcontrib><creatorcontrib>Kömi, Jukka I.</creatorcontrib><creatorcontrib>Misra, Devesh K.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Somani, Mahesh C.</au><au>Porter, David A.</au><au>Karjalainen, L. 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This paper describes the static recrystallization kinetics of two steels with compositions suited to DQ&P processing, viz. (in wt.%) 0.3C-1Si-2Mn-1Cr and 0.25C-1.5Si-3Mn. The stress relaxation technique on a Gleeble thermomechanical simulator provided recrystallization times over a wide range of temperature, strain, strain rate and initial grain size. The higher levels of Si and Mn made the recrystallization kinetics less sensitive to strain, strain rate and temperature. The equations derived to describe the recrystallization kinetics can be used in the design of the rough rolling part of thermomechanical processing.</abstract><cop>Stuttgart</cop><pub>De Gruyter</pub><doi>10.3139/146.111744</doi><tpages>11</tpages><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | De Gruyter journals |
| subjects | Austenite Deformation Direct quenching Direct quenching and partitioning Flow stress High strength steels Hot rolling Martensite Partitioning Recrystallization Retained austenite Silicon steels Strain rate Stress relaxation Thermal simulators Thermomechanical treatment Thin films |
| title | Static recrystallization characteristics and kinetics of high-silicon steels for direct quenching and partitioning |
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