A yttrium-containing high-temperature titanium alloy additively manufactured by selective electron beam melting
A yttrium-containing high-temperature titanium alloy（Ti-6Al-2.7Sn-4Zr-0.4Mo-0.45Si-0.1Y, mass fraction, %） has been additively manufactured using selective electron beam melting（SEBM）. The resulting microstructure and textures were studied using scanning electron microscopy（SEM）, transmission electr...
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| Veröffentlicht in: | Journal of Central South University 2015-08, Vol.22 (8), p.2857-2863 |
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| creator | 逯圣路 汤慧萍 马前 洪权 曾立英 D. H. StJohn |
| description | A yttrium-containing high-temperature titanium alloy（Ti-6Al-2.7Sn-4Zr-0.4Mo-0.45Si-0.1Y, mass fraction, %） has been additively manufactured using selective electron beam melting（SEBM）. The resulting microstructure and textures were studied using scanning electron microscopy（SEM）, transmission electron microscopy（TEM）, X-ray diffraction（XRD） and electron backscattered diffraction（EBSD） and compared with the conventionally manufactured form. A notable distinct difference of microstructures is that additive manufacturing by SEBM enables homogeneous precipitation of fine Y2O3 dispersoids in the size range of 50-250 nm throughout the as-fabricated alloy, despite the presence of just trace levels of oxygen（7×10^-4, mass fraction） and yttrium（10-3, mass fraction） in the alloy. In contrast, the conventionally manufactured alloy shows inhomogeneously distributed coarse Y2O3 precipitates, including cracked or debonded Y2O3 particles. |
| doi_str_mv | 10.1007/s11771-015-2818-x |
| format | Article |
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H. StJohn</creator><creatorcontrib>逯圣路 汤慧萍 马前 洪权 曾立英 D. H. StJohn</creatorcontrib><description>A yttrium-containing high-temperature titanium alloy（Ti-6Al-2.7Sn-4Zr-0.4Mo-0.45Si-0.1Y, mass fraction, %） has been additively manufactured using selective electron beam melting（SEBM）. The resulting microstructure and textures were studied using scanning electron microscopy（SEM）, transmission electron microscopy（TEM）, X-ray diffraction（XRD） and electron backscattered diffraction（EBSD） and compared with the conventionally manufactured form. A notable distinct difference of microstructures is that additive manufacturing by SEBM enables homogeneous precipitation of fine Y2O3 dispersoids in the size range of 50-250 nm throughout the as-fabricated alloy, despite the presence of just trace levels of oxygen（7×10^-4, mass fraction） and yttrium（10-3, mass fraction） in the alloy. In contrast, the conventionally manufactured alloy shows inhomogeneously distributed coarse Y2O3 precipitates, including cracked or debonded Y2O3 particles.</description><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-015-2818-x</identifier><language>eng</language><publisher>Changsha: Central South University</publisher><subject>Engineering ; Metallic Materials ; 制造 ; 加法 ; 扫描电子显微镜 ; 电子束熔炼 ; 电子背散射衍射 ; 透射电子显微镜 ; 钇 ; 高温钛合金</subject><ispartof>Journal of Central South University, 2015-08, Vol.22 (8), p.2857-2863</ispartof><rights>Central South University Press and Springer-Verlag Berlin Heidelberg 2015</rights><rights>Copyright © Wanfang Data Co. Ltd. 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StJohn</creatorcontrib><title>A yttrium-containing high-temperature titanium alloy additively manufactured by selective electron beam melting</title><title>Journal of Central South University</title><addtitle>J. Cent. South Univ</addtitle><addtitle>Journal of Central South University of Technology</addtitle><description>A yttrium-containing high-temperature titanium alloy（Ti-6Al-2.7Sn-4Zr-0.4Mo-0.45Si-0.1Y, mass fraction, %） has been additively manufactured using selective electron beam melting（SEBM）. The resulting microstructure and textures were studied using scanning electron microscopy（SEM）, transmission electron microscopy（TEM）, X-ray diffraction（XRD） and electron backscattered diffraction（EBSD） and compared with the conventionally manufactured form. A notable distinct difference of microstructures is that additive manufacturing by SEBM enables homogeneous precipitation of fine Y2O3 dispersoids in the size range of 50-250 nm throughout the as-fabricated alloy, despite the presence of just trace levels of oxygen（7×10^-4, mass fraction） and yttrium（10-3, mass fraction） in the alloy. In contrast, the conventionally manufactured alloy shows inhomogeneously distributed coarse Y2O3 precipitates, including cracked or debonded Y2O3 particles.</description><subject>Engineering</subject><subject>Metallic Materials</subject><subject>制造</subject><subject>加法</subject><subject>扫描电子显微镜</subject><subject>电子束熔炼</subject><subject>电子背散射衍射</subject><subject>透射电子显微镜</subject><subject>钇</subject><subject>高温钛合金</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp9kMFq3TAQRU1oISHJB2Qnui1qNZJtWcsQmrQQyCZdC8ka-anYcirrtc_5-sh9Id1lNQNzzly4VXUF7AswJr8uAFICZdBQ3kFHDyfVGedc0oZz8aHsTG0XpU6ry2UJlgngrWhVe1bN12TNOYX9RPs5ZhNiiAPZhWFHM05PmEzeJyQ5ZBMLRMw4zisxzoUc_uC4ksnEvTf9RjliV7LgiP12I_-WNEdi0UxkwjGX1xfVR2_GBS9f53n18_bb4813ev9w9-Pm-p72ooFMvQJpnbWAdS1l00tpTcdlJ3itRIvcgmQGvHWO1UJgg971CjxDrrwFZ8R59fn496-J3sRB_5r3KZZE_RyH1R0OViMvhbGOMSg0HOk-zcuS0OunFCaTVg1MbxXrY8W6GHqrWB-Kw4_OUtg4YPof8Z706TVoN8fhd_Hektq2kXXbSSVeAO7ejjk</recordid><startdate>20150801</startdate><enddate>20150801</enddate><creator>逯圣路 汤慧萍 马前 洪权 曾立英 D. 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StJohn</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A yttrium-containing high-temperature titanium alloy additively manufactured by selective electron beam melting</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ</stitle><addtitle>Journal of Central South University of Technology</addtitle><date>2015-08-01</date><risdate>2015</risdate><volume>22</volume><issue>8</issue><spage>2857</spage><epage>2863</epage><pages>2857-2863</pages><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>A yttrium-containing high-temperature titanium alloy（Ti-6Al-2.7Sn-4Zr-0.4Mo-0.45Si-0.1Y, mass fraction, %） has been additively manufactured using selective electron beam melting（SEBM）. The resulting microstructure and textures were studied using scanning electron microscopy（SEM）, transmission electron microscopy（TEM）, X-ray diffraction（XRD） and electron backscattered diffraction（EBSD） and compared with the conventionally manufactured form. A notable distinct difference of microstructures is that additive manufacturing by SEBM enables homogeneous precipitation of fine Y2O3 dispersoids in the size range of 50-250 nm throughout the as-fabricated alloy, despite the presence of just trace levels of oxygen（7×10^-4, mass fraction） and yttrium（10-3, mass fraction） in the alloy. In contrast, the conventionally manufactured alloy shows inhomogeneously distributed coarse Y2O3 precipitates, including cracked or debonded Y2O3 particles.</abstract><cop>Changsha</cop><pub>Central South University</pub><doi>10.1007/s11771-015-2818-x</doi><tpages>7</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Engineering Metallic Materials 制造 加法 扫描电子显微镜 电子束熔炼 电子背散射衍射 透射电子显微镜 钇 高温钛合金 |
| title | A yttrium-containing high-temperature titanium alloy additively manufactured by selective electron beam melting |
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