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; 文献标志码:A Microstructure and mechanical properties of 2099 Al-Li alloy extrusion materials ZHANG Zhen-qiang, XU Xiao-jing, SONG Tao, ZHANG Yun... and mechanical properties of 2099 Al-Li alloy extrusion materials were investigated by optical microscopy (OM), scanning electron microscopy (SEM), ambient temperature tensile testing and fracture......
. Intergranular and exfoliation corrosion properties of 2099 type Al-Li alloy with Sr and Sc additions[J]. Chinese Journal of Rare Metals, 2012, 36(2): 196-200. [11] KERTZ J E, GOUMA P I, BUCHHEIT R G. Localized..., TIRASCHI R, PARRISH C, BABEL H W, OGREN J R, ES-SAID O S. Design of multistep aging treatments of 2099 (C458) Al-Li alloy[J]. Journal of Materials Engineering and Performance, 2005, 14(5): 641-646. [5......
; 文献标志码:A Microstructures and properties of 2099 Al-Li alloy LIN Yi, ZHENG Zi-qiao, LI Shi-chen, KONG Xiang, HAN Ye (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: Tensile properties, stress corrosion properties and microstructures of 2099 Al-Li alloy under different aging conditions......
(School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The homogenization process of 2099 Al-Li alloy was investigated by OM, SEM and TEM. And the corresponding mechanical properties at room temperature were obtained by micro-hardness tester and MTS testing machine. The results show that the suitable homogenization process of 2099 Al-Li alloy is 530......
and properties of 2099 Al-Li alloy during thermal mechanical process were investigated. The results show that coarsen dendrites and severe grain boundaries segregation of as-cast alloy are eliminated...%, respectively. The stress corrosion cracking (SCC) susceptibility of alloy decrease with aging time, and the strength loss rate of over-aged alloy is 5.5%. Key words: 2099 Al-Li alloy; homogenization......
by 3.0% and increased the elastic modulus by approximately 5.0% [2]. A representative 3rd generation Al-Li alloy is the AF/C 458 alloy, which was developed in 1997 and designated as AA 2099... shortcomings, especially mechanical anisotropy, of previous Al-Li alloys [4]. The 2099 alloy was selected because it was a candidate for several production applications. Among current Al-Li alloys, 2099 Al......
of trace Sc on the microstructure and mechanical properties of 2099 Al-Li alloy were investigated by metallographic optical microscope (OM), scanning electron microscope (SEM), tensile, and transmission... of 2099 alloy. Key words: Sc; Al-Li alloy; mechanical properties; microstructure 自1942年美国Alcoa公司申报专利的第一个工业用铝锂合金即2020合金起,锂铝合金的发展已有70多年的历史.尤其是近20年来,随着航空航天工业的发展,锂铝合金的开发应用可谓突飞猛进,先后开发了......
of solution treatment on microstructures and mechanical properties of 2099 Al-Li alloy [J]. Archives of Civil and Mechanical Engineering, 2014, 14(4): 61-71. (in Chinese) [17] LI Hong-ping, YE Ling-ying, ZHANG...Trans. Nonferrous Met. Soc. China 29(2019) 263-269 Effect of large strain cross rolling on microstructure and properties of Al-Li alloy plates with high magnesium content Cai-he FAN1, Dong-sheng......
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