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Precipitation behavior of oxide dispersion strengthened Alloy 617
Mao, Xiaodong1; Chun, Young-Bum2; Han, Chang-Hee2; Jang, Jinsung2
2017-12-01
发表期刊JOURNAL OF MATERIALS SCIENCE
卷号52期号:23页码:13626-13635
摘要Oxide dispersion strengthened Alloy 617 was prepared by mechanical alloying and hot extrusion processes. Precipitation behavior during heat treatment was evaluated by XRD, SEM and TEM. It was revealed that the dominant precipitates in the solution-annealed sample were Cr-rich M23C6 and M6C precipitates on grain boundaries, and Al-O, Y-Al-O and Y-Ti-O nano-particles in grain interior. Different from a conventional Alloy 617, TiN and TiC precipitates were not found. Aging at 760 degrees C for 100 h showed that gamma' were not formed, possibly due to the high affinity of O to Al and Ti, which suppressed the formation TiN, TiC and gamma'. Heat treatment at high temperatures showed that M23C6 and Y2Ti2O7 were stable up to 1300 degrees C, while most Al-O nano-particles evolved into Y-Al-O. The high thermal stability of fine Y2Ti2O7 particles with a high number density is expected to contribute to a superior high temperature mechanical strength than gamma' precipitates.
文章类型Article
WOS标题词Science & Technology ; Technology
资助者Korea Atomic Energy Research Institute RD program(527520-17) ; Korea Atomic Energy Research Institute RD program(527520-17) ; One Hundred Person Project of the Chinese Academy of Sciences ; One Hundred Person Project of the Chinese Academy of Sciences ; Korea Atomic Energy Research Institute RD program(527520-17) ; Korea Atomic Energy Research Institute RD program(527520-17) ; One Hundred Person Project of the Chinese Academy of Sciences ; One Hundred Person Project of the Chinese Academy of Sciences
DOI10.1007/s10853-017-1437-3
关键词[WOS]HIGH-TEMPERATURE APPLICATIONS ; NICKEL-BASE SUPERALLOY ; TENSILE PROPERTIES ; FERRITIC STEELS ; MICROSTRUCTURE ; STABILITY ; MA6000 ; PARTICLES ; EVOLUTION ; FRACTURE
收录类别SCI
语种英语
资助者Korea Atomic Energy Research Institute RD program(527520-17) ; Korea Atomic Energy Research Institute RD program(527520-17) ; One Hundred Person Project of the Chinese Academy of Sciences ; One Hundred Person Project of the Chinese Academy of Sciences ; Korea Atomic Energy Research Institute RD program(527520-17) ; Korea Atomic Energy Research Institute RD program(527520-17) ; One Hundred Person Project of the Chinese Academy of Sciences ; One Hundred Person Project of the Chinese Academy of Sciences
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000410473100025
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33681
专题中国科学院核能安全技术研究所
作者单位1.Chinese Acad Sci, Inst Nucl Energy Safety Technol, Key Lab Neutron & Radiat Safety, Hefei 230031, Anhui, Peoples R China
2.Korea Atom Energy Res Inst, Nucl Mat Dev Div, Daejeon 34057, South Korea
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Mao, Xiaodong,Chun, Young-Bum,Han, Chang-Hee,et al. Precipitation behavior of oxide dispersion strengthened Alloy 617[J]. JOURNAL OF MATERIALS SCIENCE,2017,52(23):13626-13635.
APA Mao, Xiaodong,Chun, Young-Bum,Han, Chang-Hee,&Jang, Jinsung.(2017).Precipitation behavior of oxide dispersion strengthened Alloy 617.JOURNAL OF MATERIALS SCIENCE,52(23),13626-13635.
MLA Mao, Xiaodong,et al."Precipitation behavior of oxide dispersion strengthened Alloy 617".JOURNAL OF MATERIALS SCIENCE 52.23(2017):13626-13635.
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