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710055, China) Abstract: The oblique lugs of 7050 aluminum alloy and 2A97 alloy by mandrel direct extrusion were investigated, and the fatigue properties of the two kinds of alloy of oblique lugs before.... Therefore, the strengthening effect of the 2A97 alloy d is better. Key words: 7050 aluminum alloy; 2A97 alloy; oblique lugs; hole extrusion; fatigue properties Foundation item: Project (2020KW-033......
: The influences of the solution heat treatment on the tensile properties and fracture toughness of the 7050 aluminum alloy were investigated by means of optical microscopy, scanning electron microscopy (SEM... Table 1 Chemical composition of 7050 aluminum alloy rolled plate % 板材的固溶处理在空气电阻炉中进行,单级固溶的固溶温度为440~490 ℃,固溶时间为2.5 h；双级固溶过程为:450 ℃保温1.5 h,然后0.5 h升到480 ℃并在480 ℃保温0.5 h; 固溶后预析出制度为:室温......
of 7050 aluminum alloy in single-pass hot compression, the relevant parameters of cellular automaton (CA) model for microcrack healing were identified and calculated. Using Microsoft Visual C++ platform...; (1) 图1 7050铝合金热压缩流变应力曲线 Fig. 1 Stress-strain curves of 7050 aluminum alloy during hot compression 2) 应力应变速率方程......
Trans. Nonferrous Met. Soc. China 22(2012) 1655-1660 Effects of boric acid on microstructure and corrosion resistance of boric/sulfuric acid anodic film on 7050 aluminum alloy DU Nan, WANG Shuai...; accepted 14 October 2011 Abstract: The microstructure and corrosion resistance of different boric/sulfuric acid anodic (BSAA) films on 7050 aluminum alloy were studied by atomic force microscopy (AFM......
Effect of step-quenching on microstructure of aluminum alloy 7055 LIU Sheng-dan(刘胜胆)1,2, ZHANG Yong(张 勇)1,2, LIU Wen-jun(刘文军)1,2, DENG Yun-lai(邓运来)1,2, ZHANG Xin-ming(张新明)1,2 1. School...; Abstract: The effect of step-quenching on the microstructure of aluminum alloy 7055 after artificial aging was studied by hardness testing and transmission electron microscopy......
Effect of strain on DRX of 7050 aluminum alloy during extrusion at high temperatureZHU Danyang,ZHEN Liang,HU Wenhao,CHEN Junzhou,CUI Yuexian,and SHAO Wenzhu School of Materials Science... for solution treated 7050 aluminum alloy.The microstructure of typical regions with different filler contents were described qualitatively and characterized quantitatively by electron backscattered......
Effect of dislocation structure evolution on low-angle grain boundary formation in 7050 aluminum alloy during agingWei Gu,Jing-yuan Li,Yi-de WangSchool of Materials Science and Engineering, University of Science and Technology Beijing摘 要:The effect of dislocation structure evolution on low-angle grain boundary formation in 7050 aluminum alloy during......
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......
Microstructural evolution of aluminum alloy 7B04 thick plate by various thermal treatments LI Zhi-hui(李志辉), XIONG Bai-qing(熊柏青), ZHANG Yong-an(张永安), ZHU Bao-hong(朱宝宏), WANG Feng(王 锋), LIU Hong... and stress corrosion cracking(SCC) resistance in such materials. Key words: Al alloy; 7B04 aluminum alloy microstructure; TEM; DSC; properties ......
techniques. Key words: 7050 aluminum alloy; die forging; residual stress; contour method 现代航空工业中,铝合金是与钛合金和复合材料并重的三大主要结构件材料之一.铝合金广泛应用于现代飞机前梁,大梁,翼肋,接头,支柱和起落架接头等整体结构件[1-2].7xxx系列铝合金具有强度高,抗应力腐蚀性能好以及断裂韧度大等优点...-dan, HAN Nian-mei, HUA Long. Effect of aging on corrosion resistance of 7050 aluminum alloy pre-stretching plate[J]. The Chinese Journal of Nonferrous Metals, 2013, 23(3): 645-651. [5] 武永甫, 李淑慧, 侯 波, 于......
