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CREEP－RUPTURE BEHAVIOR OF Al－Li－Cu－Mg－Zr ALLOY IN THE TEMPERATURE RANGE OF 463~563K＋Zheng Ziqiao; Liang Shuquan; Liu Minggui; Yin Dengfeng(Department of Materials Science and Engineering, Central South University of Technology, Changsha, 410083, China)Abstract:The creep-rupture behavior of an ageing hardened Al-Li-Cu -Mg-Zr alloy has been investigated at 463~563 K. Results indicate that creep......
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Thermal Analysis of Precipitate Dissolution in Binary Al-Li Alloy姚大平,胡壮麒,李依依,张匀,师昌绪摘 要:<正> In this paper,the activation energy for precipi-tate dissolution in binary AI-Li alloy has been in-vestigated by considering precipitate dissolution inAl-Li alloy,continuously heated as a thermally ac-tivated process.The proposed calculation was car-ried out......
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Al-Li alloy MAO Bai-ping1, YAN Xiao-dong2, SHEN Jian2 (1. State Key Laboratory of Nonferrous Metals and Processes, General Research Institute for Nonferrous Metals, Beijing 100088, China; 2. Nonferrous Metals Processing Division, General Research Institute for Nonferrous Metals, Beijing 100088, China) Abstract: 2197 Al-Li alloy was thermo-mechanically treated, and the precipitation and growth......
温度对Al-11.4%Li合金沉淀机制影响的微观相场模拟苗海川1,王永欣1,陈铮1,钟汉文1,孙立岩1(1.陕西省西安市西北工业大学 材料学院)摘 要:利用微观相场法模拟Al-11.4%Li合金时效过程中的微观组织.从模拟结果可以看出,该合金在383,423和493K下沉淀机制分别为失稳分解,非经典形核与失稳分解的混合机制和非经典形核长大.随温度的升高,新相颗粒逐渐规则,溶质原子的簇聚程度以及体系整体的有序化程度都在不断的降低.关键词:金属材料； Al-Li合金； 微观相场； 沉淀机制......
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Effect of Rare Earth Elements on Anisotropy and Microstructure of Al-Li Alloy 2195 Sheets Liu Yufeng1,Geng Jiping1,Xu Yue1 (1.School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China) Abstract:For the purpose of decreasing the applied limitation resulting from the anisotropic mechanical property of Al-Li alloy 2195, this study......
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