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题名:
In-situ study of precipitates in Al-Zn-Mg-Cu alloys using anomalous small-angle x-ray scattering
作者: Yang, CM; Bian, FG; Xiong, BQ; Liu, DM; Li, YW; Hua, WQ; Wang, J
刊名: CHINESE PHYSICS B
出版日期: 2016
卷号: 25, 期号:6, 页码:
关键词: GUINIER-PRESTON ZONES ; DECOMPOSITION PROCESSES ; EVOLUTION
DOI: 10.1088/1674-1056/25/6/066101
通讯作者: Bian, FG (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China.
文章类型: 期刊文献
英文摘要: In the present work, the precipitate compositions and precipitate amounts of these elements (including the size distribution, volume fraction, and inter-precipitate distance) on the Cu-containing 7000 series aluminum alloys (7150 and 7085 Al alloys), are investigated by anomalous small-angle x-ray scattering (ASAXS) at various energies. The scattering intensity of 7150 alloy with T6 aging treatment decreases as the incident x-ray energy approaches the Zn absorption edge from the lower energy side, while scattering intensity does not show a noticeable energy dependence near the Cu absorption edge. Similar results are observed in the 7085 alloy in an aging process (120 degrees C) by employing in-situ ASAXS measurements, indicating that the precipitate compositions should include Zn element and should not be strongly related to Cu element at the early stage after 10 min. In the aging process, the precipitate particles with an initial average size of similar to 8 angstrom increase with aging time at an energy of 9.60 keV, while the increase with a slower rate is observed at an energy of 9.65 keV as near the Zn absorption edge.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000377876400036
ISSN号: 1674-1056
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/25756
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Yang, CM,Bian, FG,Xiong, BQ,et al. In-situ study of precipitates in Al-Zn-Mg-Cu alloys using anomalous small-angle x-ray scattering[J]. CHINESE PHYSICS B,2016-01-01,25(6):—.
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