Effect of Heat Treatment on Microstructure and Mechanical Properties of Low-Carbon TRIP Steel Tube
In this study, the effects of isothermal bainite treatment (IBT) holding time on the microstructure of transformation induced plasticity (TRIP) seamless steel tube were studied via optical microscopy, TEM and XRD. Its mechanical properties and hydroformability were evaluated by tensile test and flar...
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| Veröffentlicht in: | Materials science forum 2010-06, Vol.654-656, p.290-293 |
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| creator | Di, Hong Shuang Zhu, Fu Xian Li, Yan Mei Zhang, Zi Cheng Manabe, Kenichi |
| description | In this study, the effects of isothermal bainite treatment (IBT) holding time on the microstructure of transformation induced plasticity (TRIP) seamless steel tube were studied via optical microscopy, TEM and XRD. Its mechanical properties and hydroformability were evaluated by tensile test and flaring test, respectively. The results revealed that the volume fraction of retained austenite (RA) increased at first then decreased with IBT holding time for a particular set of intercritical annealing (IA) temperature, IA holding time and IBT temperature. It was also demonstrated that high tensile strength of 618MPa, total elongation of 35.5%, n-value of 0.23 and better hydroformability could be successfully produced in this TRIP steel tube at IA temperature of 800°C, holding for 10 min, and IBT of 410°C for 4 min holding time. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.654-656.290 |
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Its mechanical properties and hydroformability were evaluated by tensile test and flaring test, respectively. The results revealed that the volume fraction of retained austenite (RA) increased at first then decreased with IBT holding time for a particular set of intercritical annealing (IA) temperature, IA holding time and IBT temperature. It was also demonstrated that high tensile strength of 618MPa, total elongation of 35.5%, n-value of 0.23 and better hydroformability could be successfully produced in this TRIP steel tube at IA temperature of 800°C, holding for 10 min, and IBT of 410°C for 4 min holding time.</description><identifier>ISSN: 0255-5476</identifier><identifier>ISSN: 1662-9752</identifier><identifier>EISSN: 1662-9752</identifier><identifier>DOI: 10.4028/www.scientific.net/MSF.654-656.290</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><subject>Annealing ; Bainite ; Elongation ; Heat treatment ; Mechanical properties ; Microstructure ; Optical microscopy ; Plasticity ; Retained austenite ; Steels ; Tensile strength ; Tensile tests ; Transformations ; Transmission electron microscopy ; TRIP steels ; Tubes ; Volume fraction</subject><ispartof>Materials science forum, 2010-06, Vol.654-656, p.290-293</ispartof><rights>2010 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-f72afb0a874e7a24b480f3900250a784974eeb314efa8fa6ccbed1a506943a3b3</citedby><cites>FETCH-LOGICAL-c438t-f72afb0a874e7a24b480f3900250a784974eeb314efa8fa6ccbed1a506943a3b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/962?width=600</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Di, Hong Shuang</creatorcontrib><creatorcontrib>Zhu, Fu Xian</creatorcontrib><creatorcontrib>Li, Yan Mei</creatorcontrib><creatorcontrib>Zhang, Zi Cheng</creatorcontrib><creatorcontrib>Manabe, Kenichi</creatorcontrib><title>Effect of Heat Treatment on Microstructure and Mechanical Properties of Low-Carbon TRIP Steel Tube</title><title>Materials science forum</title><description>In this study, the effects of isothermal bainite treatment (IBT) holding time on the microstructure of transformation induced plasticity (TRIP) seamless steel tube were studied via optical microscopy, TEM and XRD. 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| source | Scientific.net Journals |
| subjects | Annealing Bainite Elongation Heat treatment Mechanical properties Microstructure Optical microscopy Plasticity Retained austenite Steels Tensile strength Tensile tests Transformations Transmission electron microscopy TRIP steels Tubes Volume fraction |
| title | Effect of Heat Treatment on Microstructure and Mechanical Properties of Low-Carbon TRIP Steel Tube |
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