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In situ studies of microstructure evolution and properties of an Al-7.5Zn-1.7Mg-1.4Cu-0.12Zr alloy during retrogression and reaging
Liu, DM; Xiong, BQ; Bian, FG; Li, ZH; Li, XW; Zhang, Y; Wang, F; Liu, HW; xiongbq@grinm.com
2014
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume56Pages:1020—1024
AbstractIn this work, synchrotron-based small-angle X-ray scattering technique was used for in situ tracing the evolution of microstructure parameters (including precipitate mean size, volume fraction and number density) during retrogression and reaging (RRA) treatments of an Al-7.5Zn-1.7Mg-1.4Cu-0.12Zr alloy. The mechanical and electrical properties of the alloy during RRA have also been investigated. The results show that the retrogression is characterized with a rapid dissolution stage at almost constant average precipitate size, followed by a coarsening stage with increasing precipitate size and volume fraction. The reaging treatment not only brings the re-nucleation of g0 precipitates, but also keeps the size of the existing precipitates to a reasonable value. The developments of the mechanical and electrical properties of the alloy during RRA have been discussed based on the microstructure evolution. (c) 2013 Elsevier Ltd. All rights reserved.
KeywordMg-cu Alloys Mechanical-properties Strength
Indexed BySCI
Language英语
WOS IDWOS:000331721100128
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14187
Collection中科院上海应用物理研究所2011-2020年
Corresponding Authorxiongbq@grinm.com
Recommended Citation
GB/T 7714
Liu, DM,Xiong, BQ,Bian, FG,et al. In situ studies of microstructure evolution and properties of an Al-7.5Zn-1.7Mg-1.4Cu-0.12Zr alloy during retrogression and reaging[J]. MATERIALS & DESIGN,2014,56:1020—1024.
APA Liu, DM.,Xiong, BQ.,Bian, FG.,Li, ZH.,Li, XW.,...&xiongbq@grinm.com.(2014).In situ studies of microstructure evolution and properties of an Al-7.5Zn-1.7Mg-1.4Cu-0.12Zr alloy during retrogression and reaging.MATERIALS & DESIGN,56,1020—1024.
MLA Liu, DM,et al."In situ studies of microstructure evolution and properties of an Al-7.5Zn-1.7Mg-1.4Cu-0.12Zr alloy during retrogression and reaging".MATERIALS & DESIGN 56(2014):1020—1024.
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