Polymorphic and coherency transition of Y–Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel
The phase and metal/oxide interface structure of the nanometer-scale particles in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel extruded at 1150 °C and 1050 °C were characterized by high-resolution transmission electron microscopy and diffraction contrast techniques, including w...
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| Veröffentlicht in: | Acta materialia 2011-02, Vol.59 (3), p.992-1002 |
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| creator | Dou, P. Kimura, A. Okuda, T. Inoue, M. Ukai, S. Ohnuki, S. Fujisawa, T. Abe, F. |
| description | The phase and metal/oxide interface structure of the nanometer-scale particles in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel extruded at 1150
°C and 1050
°C were characterized by high-resolution transmission electron microscopy and diffraction contrast techniques, including weak beam electron microscopy. After extrusion at 1150
°C, yttrium–aluminum–hexagonal (YAH, YAlO
3) and yttrium–aluminum–perovskite (YAP, YAlO
3) oxides (diameter ⩽10
nm) constitute ∼55% and 38% of the particles, respectively; ∼78% of the particles (4.5–10
nm in diameter), which include 40% YAH oxide and 38% YAP phase with misfit (translational) moiré fringe spacing of 2.15
nm and 1.65
nm, respectively, are semi-coherent with the matrix. After extrusion at 1050
°C, almost all the particles are YAH phase, and ∼86.5% (diameter |
| doi_str_mv | 10.1016/j.actamat.2010.10.026 |
| format | Article |
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°C and 1050
°C were characterized by high-resolution transmission electron microscopy and diffraction contrast techniques, including weak beam electron microscopy. After extrusion at 1150
°C, yttrium–aluminum–hexagonal (YAH, YAlO
3) and yttrium–aluminum–perovskite (YAP, YAlO
3) oxides (diameter ⩽10
nm) constitute ∼55% and 38% of the particles, respectively; ∼78% of the particles (4.5–10
nm in diameter), which include 40% YAH oxide and 38% YAP phase with misfit (translational) moiré fringe spacing of 2.15
nm and 1.65
nm, respectively, are semi-coherent with the matrix. After extrusion at 1050
°C, almost all the particles are YAH phase, and ∼86.5% (diameter <4.5
nm) are coherent with the matrix. The coherency of the oxides is size dependent. The crystallographic orientation correlations of the oxides and matrix were found.</description><identifier>ISSN: 1359-6454</identifier><identifier>EISSN: 1873-2453</identifier><identifier>DOI: 10.1016/j.actamat.2010.10.026</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Aluminum ; Coherence ; Coherency ; Dispersions ; Electron microscopy ; Extrusion ; Ferritic stainless steels ; Interface structure ; Misfit moiré fringe ; Oxide dispersion strengthened steel ; Oxides ; Structural steels ; Transmission electron microscopy</subject><ispartof>Acta materialia, 2011-02, Vol.59 (3), p.992-1002</ispartof><rights>2010 Acta Materialia Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-279927a658fe1a1adc54694e68b99722a3a7cfced99de8b8c7003051750257903</citedby><cites>FETCH-LOGICAL-c374t-279927a658fe1a1adc54694e68b99722a3a7cfced99de8b8c7003051750257903</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.actamat.2010.10.026$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Dou, P.</creatorcontrib><creatorcontrib>Kimura, A.</creatorcontrib><creatorcontrib>Okuda, T.</creatorcontrib><creatorcontrib>Inoue, M.</creatorcontrib><creatorcontrib>Ukai, S.</creatorcontrib><creatorcontrib>Ohnuki, S.</creatorcontrib><creatorcontrib>Fujisawa, T.</creatorcontrib><creatorcontrib>Abe, F.</creatorcontrib><title>Polymorphic and coherency transition of Y–Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel</title><title>Acta materialia</title><description>The phase and metal/oxide interface structure of the nanometer-scale particles in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel extruded at 1150
°C and 1050
°C were characterized by high-resolution transmission electron microscopy and diffraction contrast techniques, including weak beam electron microscopy. After extrusion at 1150
°C, yttrium–aluminum–hexagonal (YAH, YAlO
3) and yttrium–aluminum–perovskite (YAP, YAlO
3) oxides (diameter ⩽10
nm) constitute ∼55% and 38% of the particles, respectively; ∼78% of the particles (4.5–10
nm in diameter), which include 40% YAH oxide and 38% YAP phase with misfit (translational) moiré fringe spacing of 2.15
nm and 1.65
nm, respectively, are semi-coherent with the matrix. After extrusion at 1050
°C, almost all the particles are YAH phase, and ∼86.5% (diameter <4.5
nm) are coherent with the matrix. The coherency of the oxides is size dependent. The crystallographic orientation correlations of the oxides and matrix were found.</description><subject>Aluminum</subject><subject>Coherence</subject><subject>Coherency</subject><subject>Dispersions</subject><subject>Electron microscopy</subject><subject>Extrusion</subject><subject>Ferritic stainless steels</subject><subject>Interface structure</subject><subject>Misfit moiré fringe</subject><subject>Oxide dispersion strengthened steel</subject><subject>Oxides</subject><subject>Structural steels</subject><subject>Transmission electron microscopy</subject><issn>1359-6454</issn><issn>1873-2453</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFkc1uEzEUhUcIJErLIyB5B5sJ_hv_rFAUQUGqBAtYsLJcz52OI894sB1Idn0HHoL36pPgNFnD6l4df-dcWadpXhG8IpiIt9uVdcVOtqwoftRWmIonzQVRkrWUd-xp3VmnW8E7_rx5kfMWY0IlxxfNny8xHKaYltE7ZOceuThCgtkdUEl2zr74OKM4oO8P97_XoT5PS4A9invfA1psKt4FyOiXLyOCfUm7fDQUmBZItuwSID_XYLQOrQ0hHqBHo78b2006Z_Q-V_TRlUu9fFdGmCs1QEr1uqsqQLhqng02ZHh5npfNtw_vv24-tjefrz9t1jetY5KXlkqtqbSiUwMQS2zvOi40B6FutZaUWmalGxz0WvegbpWTGDPcEdlh2kmN2WXz-pS7pPhjB7mYyWcHIdgZ4i4bJTjTQlFVyTf_JIkUlBDFNK9od0JdijknGMyS_GTTwRBsjhWarTlXaI4VHuVaYfW9O_mg_vinh2Sy87Ub6H0CV0wf_X8S_gLFY6wd</recordid><startdate>20110201</startdate><enddate>20110201</enddate><creator>Dou, P.</creator><creator>Kimura, A.</creator><creator>Okuda, T.</creator><creator>Inoue, M.</creator><creator>Ukai, S.</creator><creator>Ohnuki, S.</creator><creator>Fujisawa, T.</creator><creator>Abe, F.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20110201</creationdate><title>Polymorphic and coherency transition of Y–Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel</title><author>Dou, P. ; Kimura, A. ; Okuda, T. ; Inoue, M. ; Ukai, S. ; Ohnuki, S. ; Fujisawa, T. ; Abe, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-279927a658fe1a1adc54694e68b99722a3a7cfced99de8b8c7003051750257903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aluminum</topic><topic>Coherence</topic><topic>Coherency</topic><topic>Dispersions</topic><topic>Electron microscopy</topic><topic>Extrusion</topic><topic>Ferritic stainless steels</topic><topic>Interface structure</topic><topic>Misfit moiré fringe</topic><topic>Oxide dispersion strengthened steel</topic><topic>Oxides</topic><topic>Structural steels</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dou, P.</creatorcontrib><creatorcontrib>Kimura, A.</creatorcontrib><creatorcontrib>Okuda, T.</creatorcontrib><creatorcontrib>Inoue, M.</creatorcontrib><creatorcontrib>Ukai, S.</creatorcontrib><creatorcontrib>Ohnuki, S.</creatorcontrib><creatorcontrib>Fujisawa, T.</creatorcontrib><creatorcontrib>Abe, F.</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Acta materialia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dou, P.</au><au>Kimura, A.</au><au>Okuda, T.</au><au>Inoue, M.</au><au>Ukai, S.</au><au>Ohnuki, S.</au><au>Fujisawa, T.</au><au>Abe, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Polymorphic and coherency transition of Y–Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel</atitle><jtitle>Acta materialia</jtitle><date>2011-02-01</date><risdate>2011</risdate><volume>59</volume><issue>3</issue><spage>992</spage><epage>1002</epage><pages>992-1002</pages><issn>1359-6454</issn><eissn>1873-2453</eissn><abstract>The phase and metal/oxide interface structure of the nanometer-scale particles in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel extruded at 1150
°C and 1050
°C were characterized by high-resolution transmission electron microscopy and diffraction contrast techniques, including weak beam electron microscopy. After extrusion at 1150
°C, yttrium–aluminum–hexagonal (YAH, YAlO
3) and yttrium–aluminum–perovskite (YAP, YAlO
3) oxides (diameter ⩽10
nm) constitute ∼55% and 38% of the particles, respectively; ∼78% of the particles (4.5–10
nm in diameter), which include 40% YAH oxide and 38% YAP phase with misfit (translational) moiré fringe spacing of 2.15
nm and 1.65
nm, respectively, are semi-coherent with the matrix. After extrusion at 1050
°C, almost all the particles are YAH phase, and ∼86.5% (diameter <4.5
nm) are coherent with the matrix. The coherency of the oxides is size dependent. The crystallographic orientation correlations of the oxides and matrix were found.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.actamat.2010.10.026</doi><tpages>11</tpages></addata></record> |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Aluminum Coherence Coherency Dispersions Electron microscopy Extrusion Ferritic stainless steels Interface structure Misfit moiré fringe Oxide dispersion strengthened steel Oxides Structural steels Transmission electron microscopy |
| title | Polymorphic and coherency transition of Y–Al complex oxide particles with extrusion temperature in an Al-alloyed high-Cr oxide dispersion strengthened ferritic steel |
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