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Mg and Zn micro-alloyed Al-Li alloys included alloys 2099 and 2199 which were used as structural components in Airbus A380. In 2012, RIOJA et al [4,9] developed a new Al-Li alloy 2055, which contained... [J]. J Mater Eng Perform, 2010, 19(6): 841-847. [8] WEI Xiu-yu, ZHENG Zi-qiao, SHE Ling-juan, CHEN Qiu-ni, LI Shi-chen. Micro-alloying roles of Mg and Zn additions in 2099 Al-Li alloy [J]. Rare Mater......
Trans. Nonferrous Met. Soc. China 29(2019) 15-24 Distribution and evolution of aging precipitates in Al-Cu-Li alloy with high Li concentration Jin-feng LI1,2,3, Jia-lei HUANG1, Dan-yang LIU1, Yong... and distribution of the aging precipitates in 1460 Al-Li alloy with high Li concentration (2.14%, mass fraction) during T6 aging and two-step T8 (4% predeformation) aging were investigated through......
product states of alloy 2195 were discussed in view point of the commercial production condition. Key words: Al-Li alloy; commercial production; microstructure evolution; rolling; heat treatment...]. The high-strength, weldable Al-Li alloy 2195 (Al-4.0Cu-1.0Li-0.4Mg- 0.4Ag-0.12Zr, mass fraction, %) was developed to take the place of AA2219 which was conventionally used to build the huge external......
the strength of the WeldaliteTM210 alloy. But the small addition of Zn has unfavourable effect on the ductility of the WeldaliteTM210 alloy. Key words: WeldaliteTM210 Al-Li alloy; Zn; microstructure...=á001?α; (b) Alloy 2, b= á001?α; (c) Alloy 1, b=á112?α; (d) Alloy 2, b=á112?α 3 讨论 WeldaliteTM 210合金是含少量Ag,Mg和Zn的 Al-Cu-Li-Zr系合金,Al-Li-Cu-Zr系合金的析出顺序和析出强化相的......
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多向锻造2099铝锂合金挤压材的组织和性能吴瑶,许晓静,张振强,张允康,邓平安,孙良省江苏大学先进制造与现代装备技术工程研究院摘 要:2099铝锂合金因其良好的综合性能广泛应用于航空航天领域.将2099铝锂合金挤压材棒料进行540℃/2 h固溶水淬处理和400℃/24h过时效处理后,对其进行6道次多向锻造.经过540℃/2 h固溶和121℃/14 h+181℃/66 h时效处理后,采用金相显微镜(OM)观察,电子背散射衍射(EBSD)分析,晶间腐蚀及剥落腐蚀实验和拉伸性能测试,研究多向锻造对2099铝锂合金挤压材的组织和性能的影响.结果表明:多向锻造可以有效地改善2099铝锂合金挤压材组织的方向性,多向锻造后组织方向性已明显减弱,沿轴向方向的带状组织消失;并且细化合金晶粒,晶粒尺寸由5004.49......
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