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2219 aluminum alloy[J]. Journal of Manufacturing Processes, 2019, 44: 197-206. [19] 张 华, 孙大同, 张 贺, 等. 2219铝合金搅拌摩擦焊接头腐蚀行为[J]. 焊接学报, 2014, 35(7): 39-42. ZHANG Hua, SUN Da-tong, ZHANG He, et al. Corrosion behavior of friction stir welded 2219 aluminum alloy[J]. Transactions of the China Welding Institution, 2014, 35(7): 39-42. [20] 王 健, 卢雅琳, 周 刚, 等. 热轧工艺对2219铝合金组织和力学性能的影响[J]. 金属热处理, 2018, 43(10......
Trans. Nonferrous Met. Soc. China 29(2019) 448-459 Modification of constitutive model and evolution of activation energy on 2219 aluminum alloy during warm deformation process Lei LIU1,2,3, Yun-xin... January 2018; accepted 19 June 2018 Abstract: To investigate the flow behavior of 2219 Al alloy during warm deformation, the thermal compression test was conducted in the temperature range of 483-573 K......
Journal of Nonferrous Metals, 2016, 26(4): 723-731. Composition segregation behavior of 2219 aluminum alloy ingot with big size and effect of multi-axial forging and solution-aging treatment... Systems Engineering, Beijing 100076, China) Abstract: The composition segregation behavior of 2219 aluminum alloy produced by ultrasonic semi-continuous ingot with diameter of 1250 mm and the effect......
献标识码:A Microstructures and mechanical properties of super large diameter 2219 aluminum alloy ring LI Hong-ying, WANG Fa-yun, WANG Xiao-feng, SUN Yuan, ZHAO Yan-kuo (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The microstructures and mechanical properties of super large diameter 2219 aluminum alloy ring rolled by the modern radial......
; Chemical composition of 2219 aluminum alloy 采用TecnaiG220型分析电镜观察时效态显微组织,加速电压为200 kV,透射样品直径为3 mm,厚度不超过0.08 mm,在MIT-Ⅱ型双喷电解仪上用70%CH3OH+30%HNO3(体积分数)溶液双喷减薄,采用液氮冷却,双喷温度控制在-25~-30 ℃,电解电压控制在20 V左右. 拉伸实验在每个... on microstructure and mechanical properties of 2219 aluminum alloy sheet by thermomechanical treatment[J]. Transactions of Nonferrous Metals Society of China, 2012, 22(S2): s370-s375. [2] CHEN T J, LI X......
The Technological Improvements of Aluminum Alloy Coloring by Electrolysis LI Nai-jun1 (1.Teachers College, Shenyang University, Shenyang 110015, P. R. China) 摘要:The technological process of coloring golden-tawny on aluminum alloy by electrolysis was improved in this paper. The optimum composition of electrolyte was found, the conditions of deposition and anodic oxidation by electrolysis were......
Calculation of cooling rate of amorphous aluminum alloy melt-spun ribbons HE Shi-wen (何世文), LIU Yong(刘 咏), LIU Zu-ming(刘祖铭), HUANG Bai-yun(黄伯云) State Key Laboratory of Powder Metallurgy... If we substitute the thermophysical properties in Table 1 into Eqn.(9), then Ti=626.74 K. And we substitute Ti=626.74 K into Eqn.(4), then the temperature field of aluminum alloy ribbon is ......
Trans. Nonferrous Met. Soc. China 22(2012) s656-s660 Microforming of superplastic 5083 aluminum alloy Md. Abu Mowazzem HOSSAIN1, Sung-Tae HONG1, Kyu-Yeol PARK1, Young-Sang NA2 1. School of Mechanical...: The mechanical behavior of superplastic 5083 aluminum alloy during microforming process was investigated by finite element analysis. A micro V-groove die was modeled to analyze the effects of forming......
2219铝合金金相显示技术研究 李红英1,曾再得1 (1.中南大学,材料科学与工程学院,长沙410083) 摘要:对T8时效态2219铝合金显示其显微组织的工艺参数进行了探讨,该试验工艺参数为,电解抛光:20%高氯酸10 mL+无水乙醇90 mL,电压20 V,时间40 s;腐蚀覆膜:硫酸16 mL+磷酸100 mL;电压25 V,电流密度0.4~1.0 A/cm2,时间90~180 s.结果表明,该工艺参数在显示其显微组织上取得了较好的效果. 关键词:2219铝合金; 金相检验; 工艺参数; [全文内容正在添加中] ......
搅拌针伸出长度进行多道焊,研究多道补焊工艺对焊缝组织性能的影响. 关键词:2219铝合金；搅拌摩擦焊；焊缝缺陷；伸缩式搅拌头；多道焊 中图分类号:TG146.2 文献标志码:A Friction-stir welded defects and repairing weld process of thick aluminum plates... the unified welding parameters, by adjusting the telescopic pin length, the effects of multi-pass welding on the microstructure and properties of the resultant welds were investigated. Key words: 2219 aluminum......
