共搜索到20515条信息,每页显示10条信息,共2052页。用时:0小时0分0秒484毫秒
......
Technology, Beijing 100076, China Received 22 September 2014; accepted 28 December 2014 Abstract: To develop super-high strength Al-Li alloy, the microstructures and mechanical properties of Mg, Ag and Zn... and their mole ratio. To obtain Al-Li alloy with super-high strength, the total mole fractions of Cu and Li should be increased, and their mole ratios should also be kept at a certain high level. Key words......
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......
......
measurements in Al-Li alloys [J]. Materials Science and Engineering A, 1989, 119: 7-15. [4]Koch G H, Kolijn D T. The heat treatment of the commercial aluminium alloy 7075 [J]. Journal of Heat Treating, 1979, 1... Article ID: 1003-6326(2005)06-1258-06 Variations of properties across plate thickness for Al alloy 7010 M. Salazar-Guapuriche1, 2, Y. Y. Zhao2, A. Pitman3, A. Greene3 (1. Materials......
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......
活能 中图分类号:TG 146.21 文献标志码:A Effect of aging treatment on microstructure and mechanical properties of 2A97 Al-Li alloy GAO Wen-li1, YAN Hao1, FENG Zhao-hui2, LU Zheng2 (1... on the microstructure and mechanical properties of 2A97 Al-Li alloy during artificial aging was studied by hardness measurement, tensile test, differential scanning calorimetry (DSC) and transmission......
℃, the fine phases are precipitated under the third stage treatments, which results in higher combined strength properties. Key words: Al-Li alloy; multi-stage ageing; microstructure; mechanical..., MORTON A J, POLMEAR I J. Enhanced creep performance in an Al-Cu-Mg-Ag alloy through underageing[J]. Acta Mater, 2002, 50(14): 3597-3608. [10] 袁志山, 陆 政, 谢优华, 戴圣龙, 刘常升. 高强Al-Cu-Li-X铝锂合金2A97三级时效工艺及性能研究[J......
Trans. Nonferrous Met. Soc. China 24(2014) 303-309 Fatigue crack initiation and early propagation behavior of 2A97 Al-Li alloy Jing ZHONG1, Shen ZHONG1, Zi-qiao ZHENG1,2, Hai-feng ZHANG1, Xian-fu... South University, Changsha 410083, China Received 23 February 2013; accepted 23 May 2013 Abstract: The fatigue crack initiation and early propagation behavior of 2A97 Al-Li alloy was studied. The smooth......
of Al-Li alloy plate[J]. The Chinese Journal of Nonferrous Metals, 2021, 31(x): xxxx-xxxx. DOI: 10.11817/j.ysxb.1004.0609.2021-37470 残余应力在铝合金工件中普遍存在,时效强化型铝合金板材的残余应力主要是由于淬火过程板材的温度梯度引起,它严重影响了板材的加工和使用性能.一方面... measurement point distribution 图2 几何模型的构建和网格划分 Fig. 2 Construction of geometric model and mesh generation 表1 不同温度对应铝锂合金材料参数 Table 1 Material parameters of Al-Li alloy......