Ni segregation and thermal stability of reversed austenite in a Fe–Ni alloy processed by QLT heat treatment
High-resolution transmission electron microscopy(HRTEM) and X-ray diffraction(XRD) were used to investigate Ni segregation and thermal stability of reversed austenite(RA) in a Fe–Ni alloy processed by quench–lamellarize–temper(QLT) heat treatment. The results show that the 77 K impact energy of the...
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| Veröffentlicht in: | Rare metals 2015-11, Vol.34 (11), p.776-782 |
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| creator | Pan, Tao Zhu, Jing Su, Hang Yang, Cai-Fu |
| description | High-resolution transmission electron microscopy(HRTEM) and X-ray diffraction(XRD) were used to investigate Ni segregation and thermal stability of reversed austenite(RA) in a Fe–Ni alloy processed by quench–lamellarize–temper(QLT) heat treatment. The results show that the 77 K impact energy of the alloy increases with RA content increasing. As an austenite-stabilizing element, Ni is found to segregate in RA, though Ni is not evenly distributed within RA. The amount of segregations increases near the boundary(twice as high as the balanced content)and decreases to some extent in the center of the RA regions. Ni concentration in matrix near the boundary is lower than that in matrix far from the boundary because of Ni atom transportation from a to c near the boundary. RA in this alloy has high heat and mechanical stability but is likely to lose its stability and transform to martensite when a mechanical load is applied at ultralow temperatures(77 K), which induces plasticity. |
| doi_str_mv | 10.1007/s12598-015-0607-1 |
| format | Article |
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The results show that the 77 K impact energy of the alloy increases with RA content increasing. As an austenite-stabilizing element, Ni is found to segregate in RA, though Ni is not evenly distributed within RA. The amount of segregations increases near the boundary(twice as high as the balanced content)and decreases to some extent in the center of the RA regions. Ni concentration in matrix near the boundary is lower than that in matrix far from the boundary because of Ni atom transportation from a to c near the boundary. RA in this alloy has high heat and mechanical stability but is likely to lose its stability and transform to martensite when a mechanical load is applied at ultralow temperatures(77 K), which induces plasticity.</description><identifier>ISSN: 1001-0521</identifier><identifier>EISSN: 1867-7185</identifier><identifier>DOI: 10.1007/s12598-015-0607-1</identifier><language>eng</language><publisher>Beijing: Nonferrous Metals Society of China</publisher><subject>Alloying elements ; Alloys ; Austenite ; austenite;Quench–lamellarize–temper;Compo ; Biomaterials ; Boundaries ; Chemistry and Materials Science ; Energy ; Ferrous alloys ; Heat treatment ; High resolution electron microscopy ; Impact tests ; Iron ; Liquefied natural gas ; Martensite ; Martensitic transformations ; Materials Engineering ; Materials Science ; Metallic Materials ; Nanoscale Science and Technology ; Nickel ; Physical Chemistry ; Reversed ; Segregations ; Stability ; Temperature ; Thermal stability ; Transportation ; X-ray diffraction</subject><ispartof>Rare metals, 2015-11, Vol.34 (11), p.776-782</ispartof><rights>The Nonferrous Metals Society of China and Springer-Verlag Berlin Heidelberg 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c463t-2b4855a52775208cbfc2d5405f539efe2778c20ba7e2eebeacfff271c25934ed3</citedby><cites>FETCH-LOGICAL-c463t-2b4855a52775208cbfc2d5405f539efe2778c20ba7e2eebeacfff271c25934ed3</cites><orcidid>0000-0002-8912-1751</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85314X/85314X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12598-015-0607-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12598-015-0607-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Pan, Tao</creatorcontrib><creatorcontrib>Zhu, Jing</creatorcontrib><creatorcontrib>Su, Hang</creatorcontrib><creatorcontrib>Yang, Cai-Fu</creatorcontrib><title>Ni segregation and thermal stability of reversed austenite in a Fe–Ni alloy processed by QLT heat treatment</title><title>Rare metals</title><addtitle>Rare Met</addtitle><addtitle>Rare Metals</addtitle><description>High-resolution transmission electron microscopy(HRTEM) and X-ray diffraction(XRD) were used to investigate Ni segregation and thermal stability of reversed austenite(RA) in a Fe–Ni alloy processed by quench–lamellarize–temper(QLT) heat treatment. The results show that the 77 K impact energy of the alloy increases with RA content increasing. As an austenite-stabilizing element, Ni is found to segregate in RA, though Ni is not evenly distributed within RA. The amount of segregations increases near the boundary(twice as high as the balanced content)and decreases to some extent in the center of the RA regions. Ni concentration in matrix near the boundary is lower than that in matrix far from the boundary because of Ni atom transportation from a to c near the boundary. RA in this alloy has high heat and mechanical stability but is likely to lose its stability and transform to martensite when a mechanical load is applied at ultralow temperatures(77 K), which induces plasticity.</description><subject>Alloying elements</subject><subject>Alloys</subject><subject>Austenite</subject><subject>austenite;Quench–lamellarize–temper;Compo</subject><subject>Biomaterials</subject><subject>Boundaries</subject><subject>Chemistry and Materials Science</subject><subject>Energy</subject><subject>Ferrous alloys</subject><subject>Heat treatment</subject><subject>High resolution electron microscopy</subject><subject>Impact tests</subject><subject>Iron</subject><subject>Liquefied natural gas</subject><subject>Martensite</subject><subject>Martensitic transformations</subject><subject>Materials Engineering</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Nanoscale Science and Technology</subject><subject>Nickel</subject><subject>Physical Chemistry</subject><subject>Reversed</subject><subject>Segregations</subject><subject>Stability</subject><subject>Temperature</subject><subject>Thermal stability</subject><subject>Transportation</subject><subject>X-ray diffraction</subject><issn>1001-0521</issn><issn>1867-7185</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kc9qGzEQxpeSQPPvAXIT9JLLtiOttNIei6mTgmkoJGehlUf2hv1jS3LAt75D3rBPkjEOoeRQBNIgft83w3xFcc3hKwfQ3xIXqjElcFVCDbrkn4ozbmpdam7UCdUAvAQl-OfiPKUnACnrGs6K4VfHEq4irlzuppG5ccnyGuPgepaya7u-y3s2BRbxGWPCJXO7lHHsMrKOcDbHv39eyMT1_bRnmzh5TAes3bPfiwe2RpdZjnQPOObL4jS4PuHV23tRPM5_PMzuysX97c_Z90XpZV3lUrTSKOWU0FoJML4NXiyVBBVU1WBA-jdeQOs0CsQWnQ8hCM097aCSuKwuipujL82z3WHKduiSx753I067ZLmuBWgDuiH0ywf0adrFkaYjihtaq2oUUfxI-TilFDHYTewGF_eWgz0EYI8BWArAHgKwnDTiqEnEjiuM_zj_R1S9NVpP42pLuvdOxphGS1MpkEbSTLKhY2hTonoFyIiYyw</recordid><startdate>20151101</startdate><enddate>20151101</enddate><creator>Pan, Tao</creator><creator>Zhu, Jing</creator><creator>Su, Hang</creator><creator>Yang, Cai-Fu</creator><general>Nonferrous Metals Society of China</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>8BQ</scope><scope>8FD</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>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><orcidid>https://orcid.org/0000-0002-8912-1751</orcidid></search><sort><creationdate>20151101</creationdate><title>Ni segregation and thermal stability of reversed austenite in a Fe–Ni alloy processed by QLT heat treatment</title><author>Pan, Tao ; Zhu, Jing ; Su, Hang ; Yang, Cai-Fu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c463t-2b4855a52775208cbfc2d5405f539efe2778c20ba7e2eebeacfff271c25934ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Alloying elements</topic><topic>Alloys</topic><topic>Austenite</topic><topic>austenite;Quench–lamellarize–temper;Compo</topic><topic>Biomaterials</topic><topic>Boundaries</topic><topic>Chemistry and Materials Science</topic><topic>Energy</topic><topic>Ferrous alloys</topic><topic>Heat treatment</topic><topic>High resolution electron microscopy</topic><topic>Impact tests</topic><topic>Iron</topic><topic>Liquefied natural gas</topic><topic>Martensite</topic><topic>Martensitic transformations</topic><topic>Materials Engineering</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Nanoscale Science and Technology</topic><topic>Nickel</topic><topic>Physical Chemistry</topic><topic>Reversed</topic><topic>Segregations</topic><topic>Stability</topic><topic>Temperature</topic><topic>Thermal stability</topic><topic>Transportation</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pan, Tao</creatorcontrib><creatorcontrib>Zhu, Jing</creatorcontrib><creatorcontrib>Su, Hang</creatorcontrib><creatorcontrib>Yang, Cai-Fu</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>METADEX</collection><collection>Technology Research Database</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 Research Database</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>ProQuest Central China</collection><jtitle>Rare metals</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pan, Tao</au><au>Zhu, Jing</au><au>Su, Hang</au><au>Yang, Cai-Fu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ni segregation and thermal stability of reversed austenite in a Fe–Ni alloy processed by QLT heat treatment</atitle><jtitle>Rare metals</jtitle><stitle>Rare Met</stitle><addtitle>Rare Metals</addtitle><date>2015-11-01</date><risdate>2015</risdate><volume>34</volume><issue>11</issue><spage>776</spage><epage>782</epage><pages>776-782</pages><issn>1001-0521</issn><eissn>1867-7185</eissn><abstract>High-resolution transmission electron microscopy(HRTEM) and X-ray diffraction(XRD) were used to investigate Ni segregation and thermal stability of reversed austenite(RA) in a Fe–Ni alloy processed by quench–lamellarize–temper(QLT) heat treatment. The results show that the 77 K impact energy of the alloy increases with RA content increasing. As an austenite-stabilizing element, Ni is found to segregate in RA, though Ni is not evenly distributed within RA. The amount of segregations increases near the boundary(twice as high as the balanced content)and decreases to some extent in the center of the RA regions. Ni concentration in matrix near the boundary is lower than that in matrix far from the boundary because of Ni atom transportation from a to c near the boundary. RA in this alloy has high heat and mechanical stability but is likely to lose its stability and transform to martensite when a mechanical load is applied at ultralow temperatures(77 K), which induces plasticity.</abstract><cop>Beijing</cop><pub>Nonferrous Metals Society of China</pub><doi>10.1007/s12598-015-0607-1</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-8912-1751</orcidid></addata></record> |
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| subjects | Alloying elements Alloys Austenite austenite Quench–lamellarize–temper Compo Biomaterials Boundaries Chemistry and Materials Science Energy Ferrous alloys Heat treatment High resolution electron microscopy Impact tests Iron Liquefied natural gas Martensite Martensitic transformations Materials Engineering Materials Science Metallic Materials Nanoscale Science and Technology Nickel Physical Chemistry Reversed Segregations Stability Temperature Thermal stability Transportation X-ray diffraction |
| title | Ni segregation and thermal stability of reversed austenite in a Fe–Ni alloy processed by QLT heat treatment |
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