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Hierarchical nanostructured aluminum alloy with ultrahigh strength and large plasticity
文献类型:期刊论文
作者:Wu, Ge[1]  Liu, Chang[2]  Sun, Ligang[3]  Wang, Qing[4]  Sun, Baoan[5]  Han, Bin[6]  Kai, Ji-Jung[7]  Luan, Junhua[8]  Liu, Chain Tsuan[9]  Cao, Ke[10]  Lu, Yang[11]  Cheng, Lizi[12]  Lu, Jian[13]  
机构:[1]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[2]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[3]Harbin Inst Technol, Sch Sci, Shenzhen 518055, Peoples R China.;City Univ Hong Kong, Natl Precious Met Mat Engn Res Ctr, Hong Kong Branch, Hong Kong, Peoples R China.;
[4]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;Shanghai Univ, Inst Mat Sci, Lab Microstruct, Shanghai 200072, Peoples R China.;
[5]Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.,Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China.;
[6]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[7]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[8]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[9]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;City Univ Hong Kong, Natl Precious Met Mat Engn Res Ctr, Hong Kong Branch, Hong Kong, Peoples R China.;City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Peoples R China.;
[10]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[11]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Peoples R China.;
[12]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;
[13]City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.;City Univ Hong Kong, Natl Precious Met Mat Engn Res Ctr, Hong Kong Branch, Hong Kong, Peoples R China.;City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Peoples R China.;City Univ Hong Kong, Shenzhen Res Inst, Ctr Adv Struct Mat, Shenzhen 518057, Peoples R China.;
通讯作者:Lu, J (reprint author), City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China.; Lu, J (reprint author), City Univ Hong Kong, Natl Precious Met Mat Engn Res Ctr, Hong Kong Branch, Hong Kong, Peoples R China.; Lu, J (reprint author), City Univ Hong Kong, Dept Mat Sci & Engn, Hong Kong, Peoples R China.; Lu, J (reprint author), City Univ Hong Kong, Shenzhen Res Inst, Ctr Adv Struct Mat, Shenzhen 518057, Peoples R China.
年:2019
期刊名称:NATURE COMMUNICATIONS影响因子和分区
卷:10
增刊:正刊
收录情况:SCI(E)(WOS:000495392700020)  
所属部门:材料科学与工程学院
重要成果类型:重要期刊
语言:外文
ISSN:2041-1723
人气指数:54
浏览次数:54
基金:National Key R&D Program of China [2017YFA0204403]; National Natural Science Foundation of China (NSFC)National Natural Science Foundation of China [51590892]; Hong Kong Collaborative Research Fund (CRF) Scheme [C4028-14G, C4026-17W]; General Research Fund (GRF) Scheme [CityU 11247516, CityU 11209918, CityU 11216219]; NSFCNational Natural Science Foundation of China [51822107]; CityU grantCity University of Hong Kong [9360161]; CRF grant [C1027-14E]; [T13-402/17-N]
摘要:
High strength and high ductility are often mutually exclusive properties for structural metallic materials. This is particularly important for aluminum (Al)-based alloys which are widely commercially employed. Here, we introduce a hierarchical nanostructured Al alloy with a structure of Al nanograins surrounded by nano-sized metallic glass (MG) shells. It achieves an ultrahigh yield strength of 1.2 GPa in tension (1.7 GPa in compression) along with 15% plasticity in tension (over 70% in compress ...More
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