Effect of temperature rise on microstructural evolution during high-pressure torsion
Dynamic recrystallization occurs at room temperature during high-pressure torsion (HPT) leading to the formation of ultrafine grains with high angles of misorientation. There are questions concerning whether dynamic recrystallization occurs due to the temperature rise during severe plastic deformati...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2018-01, Vol.714, p.167-171 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Edalati, Kaveh Hashiguchi, Yuki Pereira, Pedro Henrique R. Horita, Zenji Langdon, Terence G. |
| description | Dynamic recrystallization occurs at room temperature during high-pressure torsion (HPT) leading to the formation of ultrafine grains with high angles of misorientation. There are questions concerning whether dynamic recrystallization occurs due to the temperature rise during severe plastic deformation or due to the effect of lattice defects. In this study, the real temperature rise was measured by directly placing a thermocouple separately on disc samples of tin, aluminum, silver, copper and titanium. The measurements, which are consistent with finite element simulations, show that the temperature rise is of minor significance in initiating dynamic recrystallization. A relationship is developed to predict the temperature rise in HPT. |
| doi_str_mv | 10.1016/j.msea.2017.12.095 |
| format | Article |
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There are questions concerning whether dynamic recrystallization occurs due to the temperature rise during severe plastic deformation or due to the effect of lattice defects. In this study, the real temperature rise was measured by directly placing a thermocouple separately on disc samples of tin, aluminum, silver, copper and titanium. The measurements, which are consistent with finite element simulations, show that the temperature rise is of minor significance in initiating dynamic recrystallization. A relationship is developed to predict the temperature rise in HPT.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2017.12.095</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Aluminum ; Chemical elements ; Crystal defects ; Deformation effects ; Dynamic recrystallization ; Dynamic recrystallization (DRX) ; Finite element method ; High-pressure torsion (HPT) ; Impact analysis ; Misalignment ; Plastic deformation ; Recrystallization ; Severe plastic deformation (SPD) ; Studies ; Temperature ; Temperature effects ; Temperature rise ; Titanium nitride ; Torsion ; Ultrafine-grained (UFG) materials</subject><ispartof>Materials science & engineering. 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A, Structural materials : properties, microstructure and processing</title><description>Dynamic recrystallization occurs at room temperature during high-pressure torsion (HPT) leading to the formation of ultrafine grains with high angles of misorientation. There are questions concerning whether dynamic recrystallization occurs due to the temperature rise during severe plastic deformation or due to the effect of lattice defects. In this study, the real temperature rise was measured by directly placing a thermocouple separately on disc samples of tin, aluminum, silver, copper and titanium. The measurements, which are consistent with finite element simulations, show that the temperature rise is of minor significance in initiating dynamic recrystallization. A relationship is developed to predict the temperature rise in HPT.</description><subject>Aluminum</subject><subject>Chemical elements</subject><subject>Crystal defects</subject><subject>Deformation effects</subject><subject>Dynamic recrystallization</subject><subject>Dynamic recrystallization (DRX)</subject><subject>Finite element method</subject><subject>High-pressure torsion (HPT)</subject><subject>Impact analysis</subject><subject>Misalignment</subject><subject>Plastic deformation</subject><subject>Recrystallization</subject><subject>Severe plastic deformation (SPD)</subject><subject>Studies</subject><subject>Temperature</subject><subject>Temperature effects</subject><subject>Temperature rise</subject><subject>Titanium nitride</subject><subject>Torsion</subject><subject>Ultrafine-grained (UFG) materials</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kEtLxDAUhYMoOI7-AVcF16159gFuZPAFA27GdUjTm5mUaVOTdMB_b8q4dnXhnnPu40PonuCCYFI-9sUQQBUUk6ogtMCNuEArUlcs5w0rL9EKN5TkAjfsGt2E0GOMCcdihXYvxoCOmTNZhGECr-LsIfM2QObGbLDauxD9rFNbHTM4ueMcbVK62dtxnx3s_pBPHkJYYtH5kMRbdGXUMcDdX12jr9eX3eY9336-fWyet7nmrI55y0vcsU4xISrNDIOONjXQmqvaiIYZw4G3WomKkUa0RnFddwxazbqK1cxotkYP57mTd98zhCh7N_sxrZQUc1LxUlCRXPTsWl4JHoycvB2U_5EEy4We7OVCTy70JKEy0Uuhp3MI0v0nC14GbWHU0FmfeMnO2f_iv_CqerI</recordid><startdate>20180131</startdate><enddate>20180131</enddate><creator>Edalati, Kaveh</creator><creator>Hashiguchi, Yuki</creator><creator>Pereira, Pedro Henrique R.</creator><creator>Horita, Zenji</creator><creator>Langdon, Terence G.</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>20180131</creationdate><title>Effect of temperature rise on microstructural evolution during high-pressure torsion</title><author>Edalati, Kaveh ; Hashiguchi, Yuki ; Pereira, Pedro Henrique R. ; Horita, Zenji ; Langdon, Terence G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-b460d3da3557c3f3ed298e284a8f593ff4e4bca573195bfa4c8d3ebc3d7383fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Aluminum</topic><topic>Chemical elements</topic><topic>Crystal defects</topic><topic>Deformation effects</topic><topic>Dynamic recrystallization</topic><topic>Dynamic recrystallization (DRX)</topic><topic>Finite element method</topic><topic>High-pressure torsion (HPT)</topic><topic>Impact analysis</topic><topic>Misalignment</topic><topic>Plastic deformation</topic><topic>Recrystallization</topic><topic>Severe plastic deformation (SPD)</topic><topic>Studies</topic><topic>Temperature</topic><topic>Temperature effects</topic><topic>Temperature rise</topic><topic>Titanium nitride</topic><topic>Torsion</topic><topic>Ultrafine-grained (UFG) materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Edalati, Kaveh</creatorcontrib><creatorcontrib>Hashiguchi, Yuki</creatorcontrib><creatorcontrib>Pereira, Pedro Henrique R.</creatorcontrib><creatorcontrib>Horita, Zenji</creatorcontrib><creatorcontrib>Langdon, Terence G.</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. 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There are questions concerning whether dynamic recrystallization occurs due to the temperature rise during severe plastic deformation or due to the effect of lattice defects. In this study, the real temperature rise was measured by directly placing a thermocouple separately on disc samples of tin, aluminum, silver, copper and titanium. The measurements, which are consistent with finite element simulations, show that the temperature rise is of minor significance in initiating dynamic recrystallization. A relationship is developed to predict the temperature rise in HPT.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2017.12.095</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-01, Vol.714, p.167-171 |
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| subjects | Aluminum Chemical elements Crystal defects Deformation effects Dynamic recrystallization Dynamic recrystallization (DRX) Finite element method High-pressure torsion (HPT) Impact analysis Misalignment Plastic deformation Recrystallization Severe plastic deformation (SPD) Studies Temperature Temperature effects Temperature rise Titanium nitride Torsion Ultrafine-grained (UFG) materials |
| title | Effect of temperature rise on microstructural evolution during high-pressure torsion |
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