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Hardness, quench sensitivity, and electrical conductivity of 7xxx Al alloys with high Zn concentrations
Peng, YingHao1; Liu, ChongYu1; Ma, ZongYi2; Jiang, HongJie1; Huang, HongFeng1
Corresponding AuthorLiu, ChongYu(lcy261@glut.edu.cn) ; Ma, ZongYi(zyma@imr.ac.cn)
2020-04-16
Source PublicationSCIENCE CHINA-TECHNOLOGICAL SCIENCES
ISSN1674-7321
Volume63Issue:6Pages:7
AbstractIn this study, 7xxx (Al-Zn-Mg-Cu) alloys with high Zn concentrations were fabricated by increasing the Zn contents of 7085 Al alloys. The hardness, quench sensitivity, and electrical conductivity of the alloys and a 7085 Al alloy under peak-aged state were studied. The high Zn concentration alloys had higher eta ' phase densities and lower quantities of Mg solid atoms than the 7085 Al alloy and thus exhibited higher hardness and electrical conductivity. The high Zn concentration alloys also exhibited slightly higher quench sensitivity than 7085 Al alloy, and the depth of the quenching layer of the alloy with 11.27 wt% Zn content reached 100 mm. This work confirmed that the novel 7xxx alloy with high Zn concentration showed balanced performance, exhibiting enhanced hardness and conductivity and reasonable quench sensitivity compared with the 7085 commercial Al alloy.
KeywordAl alloy hardness quench sensitivity electrical conductivity
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Major Project of Guangxi ; Guangxi Bagui Teams for Innovation and Research
DOI10.1007/s11431-019-1509-x
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51601045] ; Science and Technology Major Project of Guangxi[GKAA17202007] ; Guangxi Bagui Teams for Innovation and Research
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Multidisciplinary
WOS IDWOS:000527492600001
PublisherSCIENCE PRESS
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138490
Collection中国科学院金属研究所
Corresponding AuthorLiu, ChongYu; Ma, ZongYi
Affiliation1.Guilin Univ Technol, Key Lab New Proc Technol Nonferrous Met & Mat, Minist Educ, Guilin 541004, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Peng, YingHao,Liu, ChongYu,Ma, ZongYi,et al. Hardness, quench sensitivity, and electrical conductivity of 7xxx Al alloys with high Zn concentrations[J]. SCIENCE CHINA-TECHNOLOGICAL SCIENCES,2020,63(6):7.
APA Peng, YingHao,Liu, ChongYu,Ma, ZongYi,Jiang, HongJie,&Huang, HongFeng.(2020).Hardness, quench sensitivity, and electrical conductivity of 7xxx Al alloys with high Zn concentrations.SCIENCE CHINA-TECHNOLOGICAL SCIENCES,63(6),7.
MLA Peng, YingHao,et al."Hardness, quench sensitivity, and electrical conductivity of 7xxx Al alloys with high Zn concentrations".SCIENCE CHINA-TECHNOLOGICAL SCIENCES 63.6(2020):7.
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