Effect of Austempering-Partitioning on the Bainitic Transformation and Mechanical Properties of a High-Carbon Steel
The 1.1C-1.5Si-1.1Mn1.4Cr-0.5Mo-0.6Al-0.6Co （in wt%） steel was treated, respectively, by isothermal austempering process and newly developed austempering-partitioning-tempering process （A-P-T）. After austempering at 250, 280 and 300 ℃ for 38, 20 and 10 h, respectively, the sample microstructures wer...
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| Veröffentlicht in: | Acta metallurgica sinica : English letters 2015-05, Vol.28 (5), p.614-618 |
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| description | The 1.1C-1.5Si-1.1Mn1.4Cr-0.5Mo-0.6Al-0.6Co （in wt%） steel was treated, respectively, by isothermal austempering process and newly developed austempering-partitioning-tempering process （A-P-T）. After austempering at 250, 280 and 300 ℃ for 38, 20 and 10 h, respectively, the sample microstructures were composed of bainitic ferrite plates and film-like retained austenite with thicknesses between 60 and 150 nm. The highest tensile strength of 2003 MPa and hardness value of 53.9 HRC were obtained for the steel after austempering at 250 ℃ for 38 h, resulting from the combining effect of super-saturated martensite decarburization and stabilization of bainitic formation. After A-P-T treating （heated at 300 ℃ for 8 h following water cooling, and then heated at 300 ℃ for 2 h following air cooling）, bamboo leaf-like martensite, primary and secondary bainites and retained austenite were observed. The thickness of the secondary bainitic ferrite plates formed during partitioning is much smaller than that of the primary bainite formed during 300 ℃ austempering. Samples subjected to A-P-T treatment showed improvement in ductility compared to that subjected to austempering. |
| doi_str_mv | 10.1007/s40195-015-0239-3 |
| format | Article |
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After austempering at 250, 280 and 300 ℃ for 38, 20 and 10 h, respectively, the sample microstructures were composed of bainitic ferrite plates and film-like retained austenite with thicknesses between 60 and 150 nm. The highest tensile strength of 2003 MPa and hardness value of 53.9 HRC were obtained for the steel after austempering at 250 ℃ for 38 h, resulting from the combining effect of super-saturated martensite decarburization and stabilization of bainitic formation. After A-P-T treating （heated at 300 ℃ for 8 h following water cooling, and then heated at 300 ℃ for 2 h following air cooling）, bamboo leaf-like martensite, primary and secondary bainites and retained austenite were observed. The thickness of the secondary bainitic ferrite plates formed during partitioning is much smaller than that of the primary bainite formed during 300 ℃ austempering. Samples subjected to A-P-T treatment showed improvement in ductility compared to that subjected to austempering.</description><identifier>ISSN: 1006-7191</identifier><identifier>EISSN: 2194-1289</identifier><identifier>DOI: 10.1007/s40195-015-0239-3</identifier><language>eng</language><publisher>Heidelberg: The Chinese Society for Metals</publisher><subject>Air cooling ; Austempering ; Bainite ; Bainitic transformations ; Bamboo ; Carbon steel ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Corrosion and Coatings ; Decarburization ; Ferrite ; High carbon steels ; Liquid cooling ; Martensite ; Materials Science ; Mechanical properties ; Metallic Materials ; Microscopy ; Microstructure ; Nanotechnology ; Organometallic Chemistry ; Partitioning ; Plates ; Retained austenite ; Spectroscopy/Spectrometry ; Temperature ; Tensile strength ; Thickness ; Tribology ; 分区 ; 力学性能 ; 奥氏体回火 ; 残余奥氏体 ; 等温淬火 ; 贝氏体相变 ; 贝氏体铁素体 ; 高碳钢</subject><ispartof>Acta metallurgica sinica : English letters, 2015-05, Vol.28 (5), p.614-618</ispartof><rights>The Chinese Society for Metals and Springer-Verlag Berlin Heidelberg 2015</rights><rights>The Chinese Society for Metals and Springer-Verlag Berlin Heidelberg 2015.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-fcfb2841af8bb7e76147d626bc57f135105570ebc873fb77ce66c3381e43f9f73</citedby><cites>FETCH-LOGICAL-c419t-fcfb2841af8bb7e76147d626bc57f135105570ebc873fb77ce66c3381e43f9f73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86672X/86672X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s40195-015-0239-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2933355218?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,33722,41464,42533,43781,51294</link.rule.ids></links><search><creatorcontrib>Han, Bo</creatorcontrib><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wu, Su-Jun</creatorcontrib><title>Effect of Austempering-Partitioning on the Bainitic Transformation and Mechanical Properties of a High-Carbon Steel</title><title>Acta metallurgica sinica : English letters</title><addtitle>Acta Metall. Sin. (Engl. Lett.)</addtitle><addtitle>Acta Metallurgica Sinica（English Letters）</addtitle><description>The 1.1C-1.5Si-1.1Mn1.4Cr-0.5Mo-0.6Al-0.6Co （in wt%） steel was treated, respectively, by isothermal austempering process and newly developed austempering-partitioning-tempering process （A-P-T）. After austempering at 250, 280 and 300 ℃ for 38, 20 and 10 h, respectively, the sample microstructures were composed of bainitic ferrite plates and film-like retained austenite with thicknesses between 60 and 150 nm. The highest tensile strength of 2003 MPa and hardness value of 53.9 HRC were obtained for the steel after austempering at 250 ℃ for 38 h, resulting from the combining effect of super-saturated martensite decarburization and stabilization of bainitic formation. After A-P-T treating （heated at 300 ℃ for 8 h following water cooling, and then heated at 300 ℃ for 2 h following air cooling）, bamboo leaf-like martensite, primary and secondary bainites and retained austenite were observed. The thickness of the secondary bainitic ferrite plates formed during partitioning is much smaller than that of the primary bainite formed during 300 ℃ austempering. Samples subjected to A-P-T treatment showed improvement in ductility compared to that subjected to austempering.</description><subject>Air cooling</subject><subject>Austempering</subject><subject>Bainite</subject><subject>Bainitic transformations</subject><subject>Bamboo</subject><subject>Carbon steel</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Corrosion and Coatings</subject><subject>Decarburization</subject><subject>Ferrite</subject><subject>High carbon steels</subject><subject>Liquid cooling</subject><subject>Martensite</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Metallic Materials</subject><subject>Microscopy</subject><subject>Microstructure</subject><subject>Nanotechnology</subject><subject>Organometallic Chemistry</subject><subject>Partitioning</subject><subject>Plates</subject><subject>Retained austenite</subject><subject>Spectroscopy/Spectrometry</subject><subject>Temperature</subject><subject>Tensile strength</subject><subject>Thickness</subject><subject>Tribology</subject><subject>分区</subject><subject>力学性能</subject><subject>奥氏体回火</subject><subject>残余奥氏体</subject><subject>等温淬火</subject><subject>贝氏体相变</subject><subject>贝氏体铁素体</subject><subject>高碳钢</subject><issn>1006-7191</issn><issn>2194-1289</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kU9rVDEUxYNYcGz9AO6Cbty8mpu_L8s6VFuoWGi7DnlpMpPyJpkmmUW_vXlMUXDhIoR7-Z1zL_cg9BHIORCivlZOQIuBQH-U6YG9QSsKmg9AR_0WrTokBwUa3qH3tT71inKhVqhehuBdwzngi0Ntfrf3JabNcGtLiy3m1AucE25bj7_ZmHrP4ftiUw257OxCYJse8U_vtjZFZ2d8W3I3adHXxdXiq7jZDmtbpo7eNe_nM3QS7Fz9h9f_FD18v7xfXw03v35cry9uBsdBtyG4MNGRgw3jNCmvJHD1KKmcnFABmAAihCJ-cqNiYVLKeSkdYyN4zoIOip2iL0fffcnPB1-b2cXq_Dzb5POhGlCMAIAA6Ojnf9CnfCipb2eoZowJQWHsFBwpV3KtxQezL3Fny4sBYpYYzDEG02MwSwyGdQ09aup-Oawvf53_J_r0Omib0-a56_5MkpJrKQhw9htcq5X0</recordid><startdate>20150501</startdate><enddate>20150501</enddate><creator>Han, Bo</creator><creator>Chen, Lei</creator><creator>Wu, Su-Jun</creator><general>The Chinese Society for Metals</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7QF</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150501</creationdate><title>Effect of Austempering-Partitioning on the Bainitic Transformation and Mechanical Properties of a High-Carbon Steel</title><author>Han, Bo ; Chen, Lei ; Wu, Su-Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-fcfb2841af8bb7e76147d626bc57f135105570ebc873fb77ce66c3381e43f9f73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Air cooling</topic><topic>Austempering</topic><topic>Bainite</topic><topic>Bainitic transformations</topic><topic>Bamboo</topic><topic>Carbon steel</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Corrosion and Coatings</topic><topic>Decarburization</topic><topic>Ferrite</topic><topic>High carbon steels</topic><topic>Liquid cooling</topic><topic>Martensite</topic><topic>Materials Science</topic><topic>Mechanical properties</topic><topic>Metallic Materials</topic><topic>Microscopy</topic><topic>Microstructure</topic><topic>Nanotechnology</topic><topic>Organometallic Chemistry</topic><topic>Partitioning</topic><topic>Plates</topic><topic>Retained austenite</topic><topic>Spectroscopy/Spectrometry</topic><topic>Temperature</topic><topic>Tensile strength</topic><topic>Thickness</topic><topic>Tribology</topic><topic>分区</topic><topic>力学性能</topic><topic>奥氏体回火</topic><topic>残余奥氏体</topic><topic>等温淬火</topic><topic>贝氏体相变</topic><topic>贝氏体铁素体</topic><topic>高碳钢</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Bo</creatorcontrib><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wu, Su-Jun</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Aluminium Industry Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Acta metallurgica sinica : English letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Bo</au><au>Chen, Lei</au><au>Wu, Su-Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Austempering-Partitioning on the Bainitic Transformation and Mechanical Properties of a High-Carbon Steel</atitle><jtitle>Acta metallurgica sinica : English letters</jtitle><stitle>Acta Metall. Sin. (Engl. Lett.)</stitle><addtitle>Acta Metallurgica Sinica（English Letters）</addtitle><date>2015-05-01</date><risdate>2015</risdate><volume>28</volume><issue>5</issue><spage>614</spage><epage>618</epage><pages>614-618</pages><issn>1006-7191</issn><eissn>2194-1289</eissn><abstract>The 1.1C-1.5Si-1.1Mn1.4Cr-0.5Mo-0.6Al-0.6Co （in wt%） steel was treated, respectively, by isothermal austempering process and newly developed austempering-partitioning-tempering process （A-P-T）. After austempering at 250, 280 and 300 ℃ for 38, 20 and 10 h, respectively, the sample microstructures were composed of bainitic ferrite plates and film-like retained austenite with thicknesses between 60 and 150 nm. The highest tensile strength of 2003 MPa and hardness value of 53.9 HRC were obtained for the steel after austempering at 250 ℃ for 38 h, resulting from the combining effect of super-saturated martensite decarburization and stabilization of bainitic formation. After A-P-T treating （heated at 300 ℃ for 8 h following water cooling, and then heated at 300 ℃ for 2 h following air cooling）, bamboo leaf-like martensite, primary and secondary bainites and retained austenite were observed. The thickness of the secondary bainitic ferrite plates formed during partitioning is much smaller than that of the primary bainite formed during 300 ℃ austempering. Samples subjected to A-P-T treatment showed improvement in ductility compared to that subjected to austempering.</abstract><cop>Heidelberg</cop><pub>The Chinese Society for Metals</pub><doi>10.1007/s40195-015-0239-3</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Acta metallurgica sinica : English letters, 2015-05, Vol.28 (5), p.614-618 |
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| subjects | Air cooling Austempering Bainite Bainitic transformations Bamboo Carbon steel Characterization and Evaluation of Materials Chemistry and Materials Science Corrosion and Coatings Decarburization Ferrite High carbon steels Liquid cooling Martensite Materials Science Mechanical properties Metallic Materials Microscopy Microstructure Nanotechnology Organometallic Chemistry Partitioning Plates Retained austenite Spectroscopy/Spectrometry Temperature Tensile strength Thickness Tribology 分区 力学性能 奥氏体回火 残余奥氏体 等温淬火 贝氏体相变 贝氏体铁素体 高碳钢 |
| title | Effect of Austempering-Partitioning on the Bainitic Transformation and Mechanical Properties of a High-Carbon Steel |
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