Grain Boundary Segregation Behavior of Boron in Low-Alloy Steel
The boron concentration profiles around prior austenite grain boundaries in Fe-0.05C-0.5Mo-0.001B (mass pct) are examined using aberration-corrected STEM-EELS. In order to obtain the precise distribution of boron around the boundaries, tilt series measurements with thin specimens (
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| Veröffentlicht in: | Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2014-04, Vol.45 (4), p.1876-1882 |
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| container_title | Metallurgical and materials transactions. A, Physical metallurgy and materials science |
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| creator | Shigesato, Genichi Fujishiro, Taishi Hara, Takuya |
| description | The boron concentration profiles around prior austenite grain boundaries in Fe-0.05C-0.5Mo-0.001B (mass pct) are examined using aberration-corrected STEM-EELS. In order to obtain the precise distribution of boron around the boundaries, tilt series measurements with thin specimens ( |
| doi_str_mv | 10.1007/s11661-013-2155-3 |
| format | Article |
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In order to obtain the precise distribution of boron around the boundaries, tilt series measurements with thin specimens (<30 nm) are performed and the EEL spectra are analyzed by principal component analysis (PCA) and multivariate curve resolution (MCR). The boron concentration profile changes with the cooling rate from the solid solution temperature. The concentration at grain boundaries is maximized at a medium rate (30 °C/s), where the concentration reaches 8 at. pct, and it decreases at a larger (250 °C/s) or smaller (5 °C/s) rate. On the other hand, the boron distribution becomes wider as the cooling rate becomes smaller. The current results suggest that the boron segregation in the alloy is formed by the “non-equilibrium segregation mechanism.”</description><identifier>ISSN: 1073-5623</identifier><identifier>EISSN: 1543-1940</identifier><identifier>DOI: 10.1007/s11661-013-2155-3</identifier><identifier>CODEN: MMTAEB</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Applied sciences ; Austenitic transformations ; Boron ; Boron steels ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Cooling rate ; Exact sciences and technology ; Grain boundaries ; Low alloy steels ; Materials Science ; Metallic Materials ; Metallurgy ; Metals. Metallurgy ; Nanotechnology ; Physical metallurgy ; Principal component analysis ; Segregations ; Steel alloys ; Structural Materials ; Surfaces and Interfaces ; Thin Films</subject><ispartof>Metallurgical and materials transactions. A, Physical metallurgy and materials science, 2014-04, Vol.45 (4), p.1876-1882</ispartof><rights>The Minerals, Metals & Materials Society and ASM International 2014</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c445t-309c7fe9f82aecb8efc243d0b2d85b175a7dec57f7854a1279e1b0a4a234bf1c3</citedby><cites>FETCH-LOGICAL-c445t-309c7fe9f82aecb8efc243d0b2d85b175a7dec57f7854a1279e1b0a4a234bf1c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11661-013-2155-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11661-013-2155-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28384870$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Shigesato, Genichi</creatorcontrib><creatorcontrib>Fujishiro, Taishi</creatorcontrib><creatorcontrib>Hara, Takuya</creatorcontrib><title>Grain Boundary Segregation Behavior of Boron in Low-Alloy Steel</title><title>Metallurgical and materials transactions. A, Physical metallurgy and materials science</title><addtitle>Metall Mater Trans A</addtitle><description>The boron concentration profiles around prior austenite grain boundaries in Fe-0.05C-0.5Mo-0.001B (mass pct) are examined using aberration-corrected STEM-EELS. In order to obtain the precise distribution of boron around the boundaries, tilt series measurements with thin specimens (<30 nm) are performed and the EEL spectra are analyzed by principal component analysis (PCA) and multivariate curve resolution (MCR). The boron concentration profile changes with the cooling rate from the solid solution temperature. The concentration at grain boundaries is maximized at a medium rate (30 °C/s), where the concentration reaches 8 at. pct, and it decreases at a larger (250 °C/s) or smaller (5 °C/s) rate. On the other hand, the boron distribution becomes wider as the cooling rate becomes smaller. The current results suggest that the boron segregation in the alloy is formed by the “non-equilibrium segregation mechanism.”</description><subject>Applied sciences</subject><subject>Austenitic transformations</subject><subject>Boron</subject><subject>Boron steels</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Cooling rate</subject><subject>Exact sciences and technology</subject><subject>Grain boundaries</subject><subject>Low alloy steels</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Metallurgy</subject><subject>Metals. Metallurgy</subject><subject>Nanotechnology</subject><subject>Physical metallurgy</subject><subject>Principal component analysis</subject><subject>Segregations</subject><subject>Steel alloys</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><issn>1073-5623</issn><issn>1543-1940</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp1kE1LAzEQhoMoWKs_wFtBBC_RTD422ZPUolUoeFDPIZtN6pbtpiZbxX9vyoqI4GmGyTMvkwehUyCXQIi8SgBFAZgAwxSEwGwPjUBwhqHkZD_3RDIsCsoO0VFKK0IIlKwYoet5NE03uQnbrjbxc_LkltEtTd-EPHSv5r0JcRJ8BmKeZHIRPvC0bUNGe-faY3TgTZvcyXcdo5e72-fZPV48zh9m0wW2nIseM1Ja6V3pFTXOVsp5SzmrSUVrJSqQwsjaWSG9VIIboLJ0UBHDDWW88mDZGF0MuZsY3rYu9XrdJOva1nQubJOGQgBTBVE8o2d_0FXYxi5fp0EAYVIU-e9jBANlY0gpOq83sVlnBRqI3inVg1KdleqdUs3yzvl3sknWtD6azjbpZ5EqpriSJHN04FJ-6pYu_rrg3_AvHwmEPA</recordid><startdate>20140401</startdate><enddate>20140401</enddate><creator>Shigesato, Genichi</creator><creator>Fujishiro, Taishi</creator><creator>Hara, Takuya</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L6V</scope><scope>M2O</scope><scope>M2P</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>S0X</scope></search><sort><creationdate>20140401</creationdate><title>Grain Boundary Segregation Behavior of Boron in Low-Alloy Steel</title><author>Shigesato, Genichi ; Fujishiro, Taishi ; Hara, Takuya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c445t-309c7fe9f82aecb8efc243d0b2d85b175a7dec57f7854a1279e1b0a4a234bf1c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Austenitic transformations</topic><topic>Boron</topic><topic>Boron steels</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Cooling rate</topic><topic>Exact sciences and technology</topic><topic>Grain boundaries</topic><topic>Low alloy steels</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Metallurgy</topic><topic>Metals. Metallurgy</topic><topic>Nanotechnology</topic><topic>Physical metallurgy</topic><topic>Principal component analysis</topic><topic>Segregations</topic><topic>Steel alloys</topic><topic>Structural Materials</topic><topic>Surfaces and Interfaces</topic><topic>Thin Films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shigesato, Genichi</creatorcontrib><creatorcontrib>Fujishiro, Taishi</creatorcontrib><creatorcontrib>Hara, Takuya</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>University Readers</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Research Library</collection><collection>Science Database (ProQuest)</collection><collection>Engineering Database</collection><collection>Research Library (Corporate)</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><collection>Engineering Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Metallurgical and materials transactions. A, Physical metallurgy and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shigesato, Genichi</au><au>Fujishiro, Taishi</au><au>Hara, Takuya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Grain Boundary Segregation Behavior of Boron in Low-Alloy Steel</atitle><jtitle>Metallurgical and materials transactions. A, Physical metallurgy and materials science</jtitle><stitle>Metall Mater Trans A</stitle><date>2014-04-01</date><risdate>2014</risdate><volume>45</volume><issue>4</issue><spage>1876</spage><epage>1882</epage><pages>1876-1882</pages><issn>1073-5623</issn><eissn>1543-1940</eissn><coden>MMTAEB</coden><abstract>The boron concentration profiles around prior austenite grain boundaries in Fe-0.05C-0.5Mo-0.001B (mass pct) are examined using aberration-corrected STEM-EELS. In order to obtain the precise distribution of boron around the boundaries, tilt series measurements with thin specimens (<30 nm) are performed and the EEL spectra are analyzed by principal component analysis (PCA) and multivariate curve resolution (MCR). The boron concentration profile changes with the cooling rate from the solid solution temperature. The concentration at grain boundaries is maximized at a medium rate (30 °C/s), where the concentration reaches 8 at. pct, and it decreases at a larger (250 °C/s) or smaller (5 °C/s) rate. On the other hand, the boron distribution becomes wider as the cooling rate becomes smaller. The current results suggest that the boron segregation in the alloy is formed by the “non-equilibrium segregation mechanism.”</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s11661-013-2155-3</doi><tpages>7</tpages></addata></record> |
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| subjects | Applied sciences Austenitic transformations Boron Boron steels Characterization and Evaluation of Materials Chemistry and Materials Science Cooling rate Exact sciences and technology Grain boundaries Low alloy steels Materials Science Metallic Materials Metallurgy Metals. Metallurgy Nanotechnology Physical metallurgy Principal component analysis Segregations Steel alloys Structural Materials Surfaces and Interfaces Thin Films |
| title | Grain Boundary Segregation Behavior of Boron in Low-Alloy Steel |
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